MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6187ecd59d9d6c50c32460769a8a16ad8e1051a4c2e12899b2912861be1e823d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 6187ecd59d9d6c50c32460769a8a16ad8e1051a4c2e12899b2912861be1e823d
SHA3-384 hash: 7afeb63e30e731829fd15d620a0424f3cd219730990476b41a52363ce33045fec7174ec28e9375faa5fb9275ef584a65
SHA1 hash: ed847d278ed83e3e13079a07a12b8f7a75485174
MD5 hash: 0ff16682f9ece061c742b6610723a1dd
humanhash: twenty-harry-wolfram-lake
File name:PO04009540.exe
Download: download sample
Signature Formbook
File size:224'288 bytes
First seen:2022-07-04 12:41:16 UTC
Last seen:2022-07-04 12:41:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:EfixtH4zEASG3Uu+smSLHu+RJveZkj/BGdJrJjKayfrgM70H6euHefGDpKMu:EfItYzEASGrmSS8GeyLVyfrgXg+Wp
TLSH T15824124B6BE51D42EE2BDFB1A0E0814B5B60F34A7B82C39FE48CC0285B513A1F559B59
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwarelabnet
Tags:exe FormBook xloader formbook

Intelligence


File Origin
# of uploads :
2
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Forced shutdown of a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed wacatac
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected potential unwanted application
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656691 Sample: PO04009540.exe Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 6 other signatures 2->36 10 PO04009540.exe 1 2->10         started        process3 file4 28 C:\Users\user\AppData\...\PO04009540.exe.log, ASCII 10->28 dropped 44 Writes to foreign memory regions 10->44 46 Allocates memory in foreign processes 10->46 48 Injects a PE file into a foreign processes 10->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->50 14 cvtres.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 2 other signatures 14->58 17 explorer.exe 14->17 injected process8 process9 19 raserver.exe 17->19         started        signatures10 38 Modifies the context of a thread in another process (thread injection) 19->38 40 Maps a DLL or memory area into another process 19->40 42 Tries to detect virtualization through RDTSC time measurements 19->42 22 cmd.exe 1 19->22         started        24 explorer.exe 1 153 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-04 06:12:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tn61 loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c255e016dab3d29f31f8ab97b4a51e424267fd456a7a7b1fad5610b4c2b97fc0
MD5 hash:
dc42037bc83489ba6ac2513a184590c3
SHA1 hash:
26e3e9e7a3d125b7c9926a11ffcf61b8f4d5f405
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
6187ecd59d9d6c50c32460769a8a16ad8e1051a4c2e12899b2912861be1e823d
MD5 hash:
0ff16682f9ece061c742b6610723a1dd
SHA1 hash:
ed847d278ed83e3e13079a07a12b8f7a75485174
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:meth_get_eip
Author:Willi Ballenthin

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments