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Windows
Analysis Report
duGqHKp0OUXaX1D.exe
Overview
General Information
| Sample name: | duGqHKp0OUXaX1D.exe |
| Analysis ID: | 1410995 |
| MD5: | e2eda8c49ab184de6d3b030bd499e4d1 |
| SHA1: | 2747c8421270d9630708f343b98fb2012dc38003 |
| SHA256: | d68a5d440931df383de62e3436f5f485ecd75b552e8b78065706a8c880828378 |
| Tags: | exe |
| Infos: |  |
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Detection
FormBook, PureLog Stealer
| Score: | 100 |
| Range: | 0 - 100 |
| Whitelisted: | false |
| Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found decision node followed by non-executed suspicious APIs
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE / OLE file has an invalid certificate
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Tries to load missing DLLs
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Yara signature match
Classification
- System is w10x64
duGqHKp0OUXaX1D.exe (PID: 7548 cmdline: C:\Users\u ser\Deskto p\duGqHKp0 OUXaX1D.ex e MD5: E2EDA8C49AB184DE6D3B030BD499E4D1) - duGqHKp0OUXaX1D.exe (PID: 7656 cmdline:
C:\Users\u ser\Deskto p\duGqHKp0 OUXaX1D.ex e MD5: E2EDA8C49AB184DE6D3B030BD499E4D1) 
explorer.exe (PID: 4084 cmdline: C:\Windows \Explorer. EXE MD5: 662F4F92FDE3557E86D110526BB578D5) - help.exe (PID: 7700 cmdline:
C:\Windows \SysWOW64\ help.exe MD5: DD40774E56D4C44B81F2DFA059285E75) 
cmd.exe (PID: 7736 cmdline: /c del "C: \Users\use r\Desktop\ duGqHKp0OU XaX1D.exe" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7744 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
| Name | Description | Attribution | Blogpost URLs | Link |
|---|---|---|---|---|
| Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
{"C2 list": ["www.grupooceanique.com/ns03/"], "decoy": ["dipity.tech", "agathis.fun", "ekaterinai.store", "elizabethsbookshelf.com", "smilesustainably.com", "tapeworm.xyz", "beatricesswarthout.xyz", "nsrpackersandpackers.in", "yedxec.xyz", "gildedbeautyaesthitics.com", "hanibalbechar.com", "fichaphuman.net", "adilosk.shop", "geezaran.com", "ventasemail.com", "phonecasesdirect.store", "rctjuc.shop", "sukimossmanagement.com", "caller-id.today", "kft07.vip", "mahbubamaahi.com", "tcindustrie.net", "ng-stl.com", "vb4n53g4fh354gf5jh.top", "repair-services.today", "fonbnk.pro", "olivabelle.com", "pqeomjr.cc", "elevatedblanks.net", "ambiatec.solutions", "quantumaster.online", "pocket-option.tech", "circly.net", "focus2c.com", "armacao-de-oculos.com", "bmcj365.com", "maxhealthunity.com", "taifengtechnologyservice.com", "zerolethal.com", "dramaqu.guru", "kukrejaassociates.in", "jamesjenner.com", "signature-perfect.com", "fbaparadise.com", "yandada.us", "rcpbooks.site", "celonstore.fun", "dailynewarker.com", "594545.xyz", "chuanruhaomen.com", "planetpost.lol", "kinovod130424.pro", "lavanced.com", "leclandesparents.com", "childnchestcare.com", "taiyuanbaoyang.com", "engagenotrage.com", "halffullliving.com", "scheuermannworks.com", "oengpalworld.store", "derech-hamagah.com", "clintomator.com", "velvetgloveseasonings.store", "pkclubc.site"]}| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
| JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
| Windows_Trojan_Formbook_1112e116 | unknown | unknown |
| |
| Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
| Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
| Click to see the 26 entries | ||||
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
| JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
| JoeSecurity_PureLogStealer | Yara detected PureLog Stealer | Joe Security | ||
| JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
| JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
| Click to see the 9 entries | ||||
⊘No Sigma rule has matched
| Timestamp: | 03/18/24-14:45:15.449269 |
| SID: | 2031412 |
| Source Port: | 49719 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:42:31.107731 |
| SID: | 2031412 |
| Source Port: | 49713 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:44:13.611801 |
| SID: | 2031412 |
| Source Port: | 49717 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:41:50.896878 |
| SID: | 2031412 |
| Source Port: | 49711 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:43:52.963321 |
| SID: | 2031412 |
| Source Port: | 49716 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:42:51.242337 |
| SID: | 2031412 |
| Source Port: | 49714 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:44:34.116378 |
| SID: | 2031412 |
| Source Port: | 49718 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
| Timestamp: | 03/18/24-14:43:11.686520 |
| SID: | 2031412 |
| Source Port: | 49715 |
| Destination Port: | 80 |
| Protocol: | TCP |
| Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |   |
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| Source: | Malware Configuration Extractor: | ||
| Source: | ReversingLabs: | ||
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| Source: | Code function: | 2_2_0040E481 | |
| Source: | Code function: | 4_2_0293E481 | |
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| Source: | DNS query: | ||
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| Source: | UDP traffic detected without corresponding DNS query: | ||
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| Source: | UDP traffic detected without corresponding DNS query: | ||
| Source: | Code function: | 3_2_0DF0FF82 | |
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