Windows Analysis Report
server_(3).exe

Overview

General Information

Sample Name: server_(3).exe
Analysis ID: 830450
MD5: aa37b36ea7ba39b6c00ae1b01bada3f7
SHA1: 90545746e5b23fcdf7db1fa5c30588df2f4c31bf
SHA256: a6886a3566a1a98072d67f1aca4a04b5667f97f4df21b2f54d6108293d7c02b7
Tags: agenziaentrateexegoziisfbITAmefmiseursnif
Infos:

Detection

Ursnif
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Detected unpacking (overwrites its own PE header)
Yara detected Ursnif
Detected unpacking (changes PE section rights)
Snort IDS alert for network traffic
Writes or reads registry keys via WMI
Found API chain indicative of debugger detection
Machine Learning detection for sample
Found evasive API chain (may stop execution after checking system information)
Writes registry values via WMI
Uses 32bit PE files
Yara signature match
Antivirus or Machine Learning detection for unpacked file
Contains functionality to query locales information (e.g. system language)
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Contains functionality to query CPU information (cpuid)
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Found evasive API chain checking for process token information
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses Microsoft's Enhanced Cryptographic Provider

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: server_(3).exe ReversingLabs: Detection: 38%
Source: server_(3).exe Virustotal: Detection: 37% Perma Link
Machine Learning detection for sample
Source: server_(3).exe Joe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked file
Source: 0.2.server_(3).exe.400000.0.unpack Avira: Label: TR/Crypt.XPACK.Gen7
Source: 00000000.00000002.580746978.0000000002729000.00000004.00000020.00020000.00000000.sdmp Malware Configuration Extractor: Ursnif {"RSA Public Key": "ScCjtIu/chsReaToemavuPsGfYIczuvCBclhySG8/AhfUJMnvau4hmaBPIAXScUh9/secJMcCpqd5yeayd2fJdEc3ETZJfeY55SskXGIyxmn6sJL8WH2YF95GitV+tnd52epRBd8/snxdFtGg4Pgf9kxQsW/ySpD96hQxlGzGgDApS0E54E54SLEBTqihX3FWN2//mDaDIJuoFz7lt0whvCg/8gXPBf/s2nkXoRwyyqXguvwDcw9IZEu1NT1qqIwpXL9DGldaMvwfXTGOLIkQX35RsJJDpP1V5Mcgc+c1nBRPKqGQz+NUtKDBiyp0RXMK3jDdMGWvimLl80kvMkvSd8fQXtWRcZ7DCuQwrQxkXo=", "c2_domain": ["checklist.skype.com", "62.173.142.81", "193.233.175.113", "109.248.11.184", "212.109.218.26", "185.68.93.7"], "botnet": "7715", "server": "50", "serpent_key": "xeaLJj1BwSDpjIfH", "sleep_time": "1", "CONF_TIMEOUT": "20", "SetWaitableTimer_value": "0"}
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E1508 CryptAcquireContextW,memcpy,CryptImportKey,CryptSetKeyParam,memcpy,CryptEncrypt,GetLastError,GetLastError,CryptDestroyKey,GetLastError,CryptReleaseContext,GetLastError, 0_2_005E1508

Compliance
barindex
Detected unpacking (overwrites its own PE header)
Source: C:\Users\user\Desktop\server_(3).exe Unpacked PE file: 0.2.server_(3).exe.400000.0.unpack
Uses 32bit PE files
Source: server_(3).exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: C:\Users\user\Desktop\server_(3).exe File opened: C:\Windows\SysWOW64\msvcr100.dll Jump to behavior

Networking
barindex
Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2033204 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M2 (_2F) 192.168.2.4:49695 -> 62.173.142.81:80
Source: Traffic Snort IDS: 2033203 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M1 (_2B) 192.168.2.4:49695 -> 62.173.142.81:80
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: SPACENET-ASInternetServiceProviderRU SPACENET-ASInternetServiceProviderRU
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /drew/l9wdesHCBL/WcUH_2Fe6cEC19JMx/ojSec9BNMFM6/V8tDDFde77O/U9i1cqxDkO368R/9gNBIEzgy6mBOfdpOkxLi/yTSQzU5LkHeJ3ST8/wg2AtPFgVdoBaEt/6J4T7kNNoupXFHQTJc/6wx_2FfTi/ip9uaIqtLaRaENmKe5lk/gWcrKu3HuxIt5fBBNoX/csBNoK1ie3PBW5Bt5sLiYK/wkK58GrNqzGj0/jf15aQpx/17gepP_2BoXbW_2FEP_2BQC/qQ5KGV_2Fv/ErJyFWv8XjZRosjau/Q6z6usxdqA4/_2FeDY.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 62.173.142.81Connection: Keep-AliveCache-Control: no-cache
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: checklist.skype.com replaycode: Name error (3)
Source: unknown TCP traffic detected without corresponding DNS query: 62.173.142.81
Source: unknown TCP traffic detected without corresponding DNS query: 62.173.142.81
Source: unknown TCP traffic detected without corresponding DNS query: 62.173.142.81
Source: unknown TCP traffic detected without corresponding DNS query: 62.173.142.81
Source: unknown TCP traffic detected without corresponding DNS query: 62.173.142.81
Source: server_(3).exe, 00000000.00000002.580737497.000000000238C000.00000004.00000010.00020000.00000000.sdmp String found in binary or memory: http://62.173
Source: unknown DNS traffic detected: queries for: checklist.skype.com
Source: global traffic HTTP traffic detected: GET /drew/l9wdesHCBL/WcUH_2Fe6cEC19JMx/ojSec9BNMFM6/V8tDDFde77O/U9i1cqxDkO368R/9gNBIEzgy6mBOfdpOkxLi/yTSQzU5LkHeJ3ST8/wg2AtPFgVdoBaEt/6J4T7kNNoupXFHQTJc/6wx_2FfTi/ip9uaIqtLaRaENmKe5lk/gWcrKu3HuxIt5fBBNoX/csBNoK1ie3PBW5Bt5sLiYK/wkK58GrNqzGj0/jf15aQpx/17gepP_2BoXbW_2FEP_2BQC/qQ5KGV_2Fv/ErJyFWv8XjZRosjau/Q6z6usxdqA4/_2FeDY.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 62.173.142.81Connection: Keep-AliveCache-Control: no-cache

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR

E-Banking Fraud
barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E1508 CryptAcquireContextW,memcpy,CryptImportKey,CryptSetKeyParam,memcpy,CryptEncrypt,GetLastError,GetLastError,CryptDestroyKey,GetLastError,CryptReleaseContext,GetLastError, 0_2_005E1508

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000002.580647391.00000000005C0000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Smokeloader_3687686f Author: unknown
Source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Source: 00000000.00000002.580571515.00000000004D6000.00000040.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_RedLineStealer_ed346e4c Author: unknown
Source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR Matched rule: Windows_Trojan_Gozi_fd494041 Author: unknown
Source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR Matched rule: Windows_Trojan_Gozi_261f5ac5 Author: unknown
Writes or reads registry keys via WMI
Source: C:\Users\user\Desktop\server_(3).exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::GetStringValue
Source: C:\Users\user\Desktop\server_(3).exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetDWORDValue
Source: C:\Users\user\Desktop\server_(3).exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Users\user\Desktop\server_(3).exe WMI Queries: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Writes registry values via WMI
Source: C:\Users\user\Desktop\server_(3).exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetDWORDValue
Source: C:\Users\user\Desktop\server_(3).exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Users\user\Desktop\server_(3).exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Uses 32bit PE files
Source: server_(3).exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000002.580647391.00000000005C0000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Smokeloader_3687686f reference_sample = 8b3014ecd962a335b246f6c70fc820247e8bdaef98136e464b1fdb824031eef7, os = windows, severity = x86, creation_date = 2021-07-21, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Smokeloader, fingerprint = 0f483f9f79ae29b944825c1987366d7b450312f475845e2242a07674580918bc, id = 3687686f-8fbf-4f09-9afa-612ee65dc86c, last_modified = 2021-08-23
Source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Source: 00000000.00000002.580571515.00000000004D6000.00000040.00000020.00020000.00000000.sdmp, type: MEMORY Matched rule: Windows_Trojan_RedLineStealer_ed346e4c reference_sample = a91c1d3965f11509d1c1125210166b824a79650f29ea203983fffb5f8900858c, os = windows, severity = x86, creation_date = 2022-02-17, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.RedLineStealer, fingerprint = 834c13b2e0497787e552bb1318664496d286e7cf57b4661e5e07bf1cffe61b82, id = ed346e4c-7890-41ee-8648-f512682fe20e, last_modified = 2022-04-12
Source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR Matched rule: Windows_Trojan_Gozi_fd494041 reference_sample = 0a1c1557bdb8c1b99e2b764fc6b21a07e33dc777b492a25a55cbd8737031e237, os = windows, severity = x86, creation_date = 2021-03-22, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = faabcdfb3402a5951ff1fde4f994dcb00ec9a71fb815b80dc1da9b577bf92ec2, id = fd494041-3fe8-4ffa-9ab8-6798032f1d66, last_modified = 2021-08-23
Source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR Matched rule: Windows_Trojan_Gozi_261f5ac5 reference_sample = 31835c6350177eff88265e81335a50fcbe0dc46771bf031c836947851dcebb4f, os = windows, severity = x86, creation_date = 2019-08-02, scan_context = file, memory, license = Elastic License v2, threat_name = Windows.Trojan.Gozi, fingerprint = cbc8fec8fbaa809cfc7da7db72aeda43d4270f907e675016cbbc2e28e7b8553c, id = 261f5ac5-7800-4580-ac37-80b71c47c270, last_modified = 2021-08-23
Detected potential crypto function
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E16DF 0_2_005E16DF
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E832C 0_2_005E832C
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E1D8A 0_2_005E1D8A
Contains functionality to call native functions
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_0040110B GetProcAddress,NtCreateSection,memset, 0_2_0040110B
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_00401459 NtMapViewOfSection, 0_2_00401459
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_004019F1 NtQuerySystemInformation,Sleep,GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA,GetLongPathNameW,GetLongPathNameW,GetLongPathNameW,CreateThread,QueueUserAPC,CloseHandle,GetLastError,TerminateThread,CloseHandle,SetLastError,WaitForSingleObject,GetExitCodeThread,CloseHandle,GetLastError,GetLastError, 0_2_004019F1
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E421F NtOpenProcess,NtOpenProcessToken,NtQueryInformationToken,NtQueryInformationToken,NtQueryInformationToken,memcpy,NtClose,NtClose, 0_2_005E421F
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E8551 NtQueryVirtualMemory, 0_2_005E8551
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005C1C58 NtQuerySystemInformation,Sleep,GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA,CreateThread,QueueUserAPC,GetLastError,TerminateThread,SetLastError,WaitForSingleObject,GetExitCodeThread,GetLastError,GetLastError, 0_2_005C1C58
Source: server_(3).exe ReversingLabs: Detection: 38%
Source: server_(3).exe Virustotal: Detection: 37%
Source: server_(3).exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\server_(3).exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\server_(3).exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4590F811-1D3A-11D0-891F-00AA004B2E24}\InprocServer32 Jump to behavior
Source: classification engine Classification label: mal100.troj.evad.winEXE@1/0@1/1
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E30D5 CreateToolhelp32Snapshot,Process32First,Process32Next,CloseHandle, 0_2_005E30D5
Source: C:\Users\user\Desktop\server_(3).exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Users\user\Desktop\server_(3).exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Users\user\Desktop\server_(3).exe File opened: C:\Windows\SysWOW64\msvcr100.dll Jump to behavior

Data Obfuscation
barindex
Detected unpacking (overwrites its own PE header)
Source: C:\Users\user\Desktop\server_(3).exe Unpacked PE file: 0.2.server_(3).exe.400000.0.unpack
Detected unpacking (changes PE section rights)
Source: C:\Users\user\Desktop\server_(3).exe Unpacked PE file: 0.2.server_(3).exe.400000.0.unpack .text:ER;.data:W;.wuke:W;.rsrc:R; vs .text:ER;.rdata:R;.data:W;.bss:W;.rsrc:R;.reloc:R;
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E831B push ecx; ret 0_2_005E832B
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E7F30 push ecx; ret 0_2_005E7F39
PE file contains sections with non-standard names
Source: server_(3).exe Static PE information: section name: .wuke
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_00401000 LoadLibraryA,GetProcAddress, 0_2_00401000

Hooking and other Techniques for Hiding and Protection
barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR
Source: C:\Users\user\Desktop\server_(3).exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\server_(3).exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Found evasive API chain (may stop execution after checking system information)
Source: C:\Users\user\Desktop\server_(3).exe Evasive API call chain: NtQuerySystemInformation,DecisionNodes,Sleep
Found evasive API chain checking for process token information
Source: C:\Users\user\Desktop\server_(3).exe Check user administrative privileges: GetTokenInformation,DecisionNodes
Source: C:\Users\user\Desktop\server_(3).exe API call chain: ExitProcess graph end node

Anti Debugging
barindex
Found API chain indicative of debugger detection
Source: C:\Users\user\Desktop\server_(3).exe Debugger detection routine: NtQueryInformationProcess or NtQuerySystemInformation, DecisionNodes, ExitProcess or Sleep
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_00401000 LoadLibraryA,GetProcAddress, 0_2_00401000
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005C092B mov eax, dword ptr fs:[00000030h] 0_2_005C092B
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005C0D90 mov eax, dword ptr fs:[00000030h] 0_2_005C0D90
Contains functionality to query locales information (e.g. system language)
Source: C:\Users\user\Desktop\server_(3).exe Code function: NtQuerySystemInformation,Sleep,GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA,GetLongPathNameW,GetLongPathNameW,GetLongPathNameW,CreateThread,QueueUserAPC,CloseHandle,GetLastError,TerminateThread,CloseHandle,SetLastError,WaitForSingleObject,GetExitCodeThread,CloseHandle,GetLastError,GetLastError, 0_2_004019F1
Source: C:\Users\user\Desktop\server_(3).exe Code function: NtQuerySystemInformation,Sleep,GetLocaleInfoA,GetSystemDefaultUILanguage,VerLanguageNameA,CreateThread,QueueUserAPC,GetLastError,TerminateThread,SetLastError,WaitForSingleObject,GetExitCodeThread,GetLastError,GetLastError, 0_2_005C1C58
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E3BD3 cpuid 0_2_005E3BD3
Source: C:\Users\user\Desktop\server_(3).exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_004015B0 GetSystemTimeAsFileTime,CreateFileMappingW,GetLastError,GetLastError,MapViewOfFile,GetLastError,CloseHandle,GetLastError, 0_2_004015B0
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_00401D68 CreateEventA,GetVersion,GetCurrentProcessId,OpenProcess,GetLastError, 0_2_00401D68
Source: C:\Users\user\Desktop\server_(3).exe Code function: 0_2_005E3BD3 RtlAllocateHeap,GetUserNameW,RtlAllocateHeap,GetUserNameW,HeapFree,GetComputerNameW,GetComputerNameW,RtlAllocateHeap,GetComputerNameW,HeapFree, 0_2_005E3BD3

Stealing of Sensitive Information
barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR

Remote Access Functionality
barindex
Yara detected Ursnif
Source: Yara match File source: 00000000.00000003.514574237.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514378176.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514450320.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514589845.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514416763.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514479802.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514505620.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.580765376.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000003.514528355.0000000002BC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: server_(3).exe PID: 1236, type: MEMORYSTR
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 830450 Sample: server_(3).exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 100 13 Snort IDS alert for network traffic 2->13 15 Malicious sample detected (through community Yara rule) 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 2 other signatures 2->19 5 server_(3).exe 6 2->5         started        process3 dnsIp4 9 62.173.142.81, 49695, 80 SPACENET-ASInternetServiceProviderRU Russian Federation 5->9 11 checklist.skype.com 5->11 21 Detected unpacking (changes PE section rights) 5->21 23 Detected unpacking (overwrites its own PE header) 5->23 25 Found evasive API chain (may stop execution after checking system information) 5->25 27 3 other signatures 5->27 signatures5
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
62.173.142.81
 unknown Russian Federation
34300 SPACENET-ASInternetServiceProviderRU true

Contacted Domains

Name IP Active
checklist.skype.com unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://62.173.142.81/drew/l9wdesHCBL/WcUH_2Fe6cEC19JMx/ojSec9BNMFM6/V8tDDFde77O/U9i1cqxDkO368R/9gNBIEzgy6mBOfdpOkxLi/yTSQzU5LkHeJ3ST8/wg2AtPFgVdoBaEt/6J4T7kNNoupXFHQTJc/6wx_2FfTi/ip9uaIqtLaRaENmKe5lk/gWcrKu3HuxIt5fBBNoX/csBNoK1ie3PBW5Bt5sLiYK/wkK58GrNqzGj0/jf15aQpx/17gepP_2BoXbW_2FEP_2BQC/qQ5KGV_2Fv/ErJyFWv8XjZRosjau/Q6z6usxdqA4/_2FeDY.jlk true
  • Avira URL Cloud: safe
 unknown