MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976. 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 2 File information Comments 1

SHA256 hash: a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
SHA3-384 hash: f8d754793fb1da17ddf1cf1a05ef3d31e483e9e1f0efa351634c25d64b780c44a4c85fa88598ebc79b52d7187932a834
SHA1 hash: 8f4f87f66d8b574cc6f9af954645a6d56b1228ff
MD5 hash: 2aa8938f1f5296333ba92d5933dc2bee
humanhash: happy-seventeen-robert-network
File name:2aa8938f1f5296333ba92d5933dc2bee
Download: download sample
Signature Formbook
File size:821'760 bytes
First seen:2022-02-10 11:35:34 UTC
Last seen:2022-02-10 13:45:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:O4648QkcgUTNJiBX/ex5Ay05jDkLeZ3d73Nt+TxSYkH0sIA2aYZ+yJGNtuNikXNI:56Tc/Jil/eM5jDQfSYkIJZ+5CNiuNTg
Threatray 13'606 similar samples on MalwareBazaar
TLSH T14005020067F88772E97963F85878413847B13C5EA125DF8E8EF6A2CF6A36B811411F97
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed replace.exe 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
.NET source code contains potential unpacker
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)
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
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:
2022-02-10 06:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ch24 rat spyware stealer trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
cc3686fc6aac1da5a9b84f614e713802dc14542c9eb5e4680d0106aacdd961cb
MD5 hash:
5ae9c526f3bb8f56c0ffaa7f449f6610
SHA1 hash:
f28d286babad607c59faad8d9ac096fc36e7babb
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
f365b92b11041eed57b6f7534e83e04167fce1cfacc570e79335292f3c0ea8aa
MD5 hash:
9147a2ef317fe384182d1281e5af8110
SHA1 hash:
bbe360e6eca29a32e1f787e1416ddad4d35dcf1a
SH256 hash:
db976394b4dcb0642349393556093a6895c093f7702f98de57bc534c15995123
MD5 hash:
cb87185c2f6339c2784c6fe1799809a1
SHA1 hash:
a153038133dab39978c557ec60296fceefd8e3a5
SH256 hash:
3c43b5f32c76a82b6ca4239373a4a592c442404e244b32e8771cbabcb3834be5
MD5 hash:
1e729900b3bceb9ff4d29f2b0d9b112e
SHA1 hash:
6a03c50187435401be3182c1895eea406a9bf59a
SH256 hash:
a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
MD5 hash:
2aa8938f1f5296333ba92d5933dc2bee
SHA1 hash:
8f4f87f66d8b574cc6f9af954645a6d56b1228ff
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.

Web download

Formbook

Executable exe a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-02-10 11:35:36 UTC

url : hxxps://skinnybean.org/wp-admin/js/z3T.exe