MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cf30c00d7d4d16229204e0c969f26a1a0fa2f0067818d518a81d97123e277d9. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 5cf30c00d7d4d16229204e0c969f26a1a0fa2f0067818d518a81d97123e277d9
SHA3-384 hash: e5af20a4e483cce48988d5d2854b61d28489aee78f91014062165fa28e8c595bde5c6e27a583a3a907933adad23d111e
SHA1 hash: fb5ae3d64ca4051c4eaed570f362f80d96d9f7c2
MD5 hash: 37d6fe6c4a5668a8960683f776fcc4aa
humanhash: beer-sierra-freddie-social
File name:37d6fe6c4a5668a8960683f776fcc4aa.exe
Download: download sample
Signature Formbook
File size:1'335'296 bytes
First seen:2021-12-16 08:39:32 UTC
Last seen:2021-12-16 11:18:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:r+LivLLga5h2RvVD3XNjxjWfpEmul1NMTUcXBNX6Ysl5R4ADF5xSJafKupJeksC7:0xqEs4D1y4lqLdvbGGoqWpXbI
TLSH T1A755231255FD2A33C3FE5A3588F5A51B03B625415022E70FB2B52ADFDB03E80A5EB725
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
MALICIOUS
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 contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540819 Sample: 84xOr20t24.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 19 Multi AV Scanner detection for domain / URL 2->19 21 Found malware configuration 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 6 other signatures 2->25 7 84xOr20t24.exe 2 2->7         started        process3 file4 17 C:\Users\user\AppData\...\84xOr20t24.exe.log, ASCII 7->17 dropped 27 Writes to foreign memory regions 7->27 29 Injects a PE file into a foreign processes 7->29 11 aspnet_regbrowsers.exe 7->11         started        13 conhost.exe 7->13         started        signatures5 process6 process7 15 WerFault.exe 23 9 11->15         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-15 22:48:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vngb rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
57b3486a659f2b6e7d91e454a59116f2184468dda3c8b4f34213e6c98a0d2f80
MD5 hash:
dc2c61e522f0929d52da32c96ecc32a0
SHA1 hash:
c36603ae44d3cd06f20ceb18d29955cf70a78dc6
SH256 hash:
5cf30c00d7d4d16229204e0c969f26a1a0fa2f0067818d518a81d97123e277d9
MD5 hash:
37d6fe6c4a5668a8960683f776fcc4aa
SHA1 hash:
fb5ae3d64ca4051c4eaed570f362f80d96d9f7c2
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 5cf30c00d7d4d16229204e0c969f26a1a0fa2f0067818d518a81d97123e277d9

(this sample)

  
Delivery method
Distributed via web download

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