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Windows
Analysis Report
aSsc9zh1ex.exe
Overview
General Information
Detection
FormBook, GuLoader
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected FormBook
Malicious sample detected (through community Yara rule)
System process connects to network (likely due to code injection or exploit)
Yara detected GuLoader
Snort IDS alert for network traffic
Sample uses process hollowing technique
Maps a DLL or memory area into another process
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Performs DNS queries to domains with low reputation
Modifies the prolog of user mode functions (user mode inline hooks)
Self deletion via cmd delete
Queues an APC in another process (thread injection)
Modifies the context of a thread in another process (thread injection)
C2 URLs / IPs found in malware configuration
Tries to resolve many domain names, but no domain seems valid
Uses 32bit PE files
Yara signature match
May sleep (evasive loops) to hinder dynamic analysis
Contains functionality to shutdown / reboot the system
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
Found potential string decryption / allocating functions
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains functionality for execution timing, often used to detect debuggers
Enables debug privileges
Found inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
PE file contains strange resources
Drops PE files
Tries to load missing DLLs
Contains functionality to read the PEB
Uses a known web browser user agent for HTTP communication
Checks if the current process is being debugged
PE file contains more sections than normal
Found large amount of non-executed APIs
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality for read data from the clipboard
Classification
- System is w10x64native
- aSsc9zh1ex.exe (PID: 2120 cmdline:
"C:\Users\ user\Deskt op\aSsc9zh 1ex.exe" MD5: D5E55A57372BCAD45FBB260105179CAF) - aSsc9zh1ex.exe (PID: 7936 cmdline:
"C:\Users\ user\Deskt op\aSsc9zh 1ex.exe" MD5: D5E55A57372BCAD45FBB260105179CAF) - explorer.exe (PID: 4660 cmdline:
C:\Windows \Explorer. EXE MD5: 5EA66FF5AE5612F921BC9DA23BAC95F7) - rundll32.exe (PID: 2724 cmdline:
C:\Windows \SysWOW64\ rundll32.e xe MD5: 889B99C52A60DD49227C5E485A016679) - cmd.exe (PID: 4444 cmdline:
/c del "C: \Users\use r\Desktop\ aSsc9zh1ex .exe" MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 1704 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 81CA40085FC75BABD2C91D18AA9FFA68)
- cleanup
{"C2 list": ["www.shantelleketodietofficial.site/wn19/"], "decoy": ["intelios.xyz", "fungismartgrid.com", "wrsngh.com", "golatrak.com", "revboxx.com", "projectduckling.com", "yiwuanyi.com", "bellaigo.com", "rnrr.xyz", "dentalimplantsservicelk.com", "helixsaleep.com", "hokasneakeruse.xyz", "threads34.store", "ayanaslifeinmalaysia.com", "thebeautystore.store", "99221.net", "mc3.xyz", "coconsj.store", "abstractmouse.com", "bctp.xyz", "sura.ooo", "paradisetrippielagoon.com", "usnahrpc.com", "kbcoastalproperties.com", "whiskeyjr.com", "liesdevocalist.store", "schnellekreditfinanz.com", "katraderphotography.com", "guizhouwentuo.com", "tfp3gfekbrb9cx99.xyz", "reionsbank.com", "edwardfran.com", "grigorous.com", "linqxw.com", "proplanvetsdirect.com", "zildaalckmin.net", "herbalsfixng.xyz", "gpusforfun.com", "terra-stations.money", "anytoearn.com", "borneadomicile.com", "dtmkwd.sbs", "taakyif.com", "perrobravostudio.com", "limba6lamb.xyz", "gluideline.com", "travelchanel3d.com", "group-gr.com", "qcrcmh.com", "dujh.xyz", "screensunshincoust.com", "cnrhome.com", "getsuzamtir.xyz", "baseballportalusa.com", "laiwu-yulu.com", "repaircilinic.com", "nelvashop.com", "2228.wtf", "clickleaser.com", "jpfzaojyn.sbs", "tandelawnmaintenance.com", "actu-infomail.com", "m-a-a.xyz", "friendlyneighborholdings.com"]}
{"Payload URL": "http://barsam.com.au/bin_QuCucbUMda229.bin"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Formbook | detect Formbook in memory | JPCERT/CC Incident Response Group |
| |
Formbook_1 | autogenerated rule brought to you by yara-signator | Felix Bilstein - yara-signator at cocacoding dot com |
| |
JoeSecurity_GuLoader_2 | Yara detected GuLoader | Joe Security | ||
JoeSecurity_FormBook | Yara detected FormBook | Joe Security | ||
Click to see the 18 entries |
⊘No Sigma rule has matched
Timestamp: | 192.168.11.2041.203.18.17749768802031449 05/12/22-10:45:22.157985 |
SID: | 2031449 |
Source Port: | 49768 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.11.2023.227.38.7449776802031453 05/12/22-10:49:26.026441 |
SID: | 2031453 |
Source Port: | 49776 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.11.2023.227.38.7449776802031412 05/12/22-10:49:26.026441 |
SID: | 2031412 |
Source Port: | 49776 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.11.2041.203.18.17749768802031453 05/12/22-10:45:22.157985 |
SID: | 2031453 |
Source Port: | 49768 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.11.2041.203.18.17749768802031412 05/12/22-10:45:22.157985 |
SID: | 2031412 |
Source Port: | 49768 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 192.168.11.2023.227.38.7449776802031449 05/12/22-10:49:26.026441 |
SID: | 2031449 |
Source Port: | 49776 |
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: | Virustotal: | Perma Link | ||
Source: | Metadefender: | Perma Link | ||
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Source: | Code function: | 1_2_00406850 | |
Source: | Code function: | 1_2_00405C26 | |
Source: | Code function: | 1_2_0040290B |
Source: | Code function: | 14_2_0054730D | |
Source: | Code function: | 14_2_00537B1C |
Networking |
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