MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9fc9f690971624a76b90184876db7aee742ffe51309340fc7db584d3441876. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: bf9fc9f690971624a76b90184876db7aee742ffe51309340fc7db584d3441876
SHA3-384 hash: 9f0caabcc59087c584106c722fb7cc07202a79677d5eb2b8952192b069200cb8cded0ec92a717505b095cb89eb6a2906
SHA1 hash: 43ad9a9b9b3fbab0533327e526f66e61a8af8529
MD5 hash: cedf71bc4dc75179cb42bdc3bd7c765f
humanhash: colorado-tennessee-wolfram-floor
File name:Updated PI.exe
Download: download sample
Signature Formbook
File size:732'160 bytes
First seen:2022-04-27 08:17:17 UTC
Last seen:2022-04-27 10:00:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:oyP5BHNmrNm28HQFAAhRXpPtmYUKMI4uPjAAmmpUkGlXGj8cUZMBrhm0rF9noR:t4kpwFAmRwKMLuPjA9mebQFUWBrlrF
Threatray 15'294 similar samples on MalwareBazaar
TLSH T125F4C0013285A8DAE4531DF69CAFD52052B8BE5E5135CB0D3683BB2B59F3352206FB4E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 92b2aca6a6ba8e8e (6 x Formbook, 4 x AgentTesla, 4 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-20 01:43:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:v22n rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
668cbe0a93489313a99155f7f271ecbeda6af710c74c300382b35c967cb0ae88
MD5 hash:
1b3228731d7dcfc516ca42afb025e2a9
SHA1 hash:
355cfea2cbacd0ebbea68edf1914fef0651f9a6c
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
0b2367a85b036488659938f961756675278fb665447b69d049f812bbd861ab43
MD5 hash:
6ef11c9efec368fd1af7ea9e0b6232ab
SHA1 hash:
4b2d819a96b42657570612e3ccffd85c6e3fb09b
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
SH256 hash:
0774783e909a0fee0a1f494e46bc6886df4cda3f953ae105e40ba7afa110826b
MD5 hash:
63e49eefa8ebe4a38806a131c8f89b7c
SHA1 hash:
4ca07f6e478be912e80d8d118887106e99622cf3
SH256 hash:
bf9fc9f690971624a76b90184876db7aee742ffe51309340fc7db584d3441876
MD5 hash:
cedf71bc4dc75179cb42bdc3bd7c765f
SHA1 hash:
43ad9a9b9b3fbab0533327e526f66e61a8af8529
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: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.

Malspam

Formbook

Executable exe bf9fc9f690971624a76b90184876db7aee742ffe51309340fc7db584d3441876

(this sample)

  
Delivery method
Distributed via e-mail attachment

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