MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f57baf941771509bb5f2b09a099e2b5a302c8892d5bdb65adcf47a8d4ecc64f. 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: 7f57baf941771509bb5f2b09a099e2b5a302c8892d5bdb65adcf47a8d4ecc64f
SHA3-384 hash: 23142ac34de1f73190717a705170284d83768d02a23c7309081e9f71b7596dc1b620f6cac24b238599d5b8b2d87fd9bc
SHA1 hash: 9bf337c974451c345bb2ce1c65128af7f553395e
MD5 hash: 3645f5232be69d0f40dc64dcd82e89c1
humanhash: failed-oscar-cola-eighteen
File name:SecuriteInfo.com.Variant.MSILPerseus.238051.3231.10689
Download: download sample
Signature Formbook
File size:857'088 bytes
First seen:2022-10-17 03:52:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:90AZly57hBo7wt98tzS8ytO6jV/H1dbkOWfEu:HHy57z39RtO6x9OO
TLSH T1A50549BA26D51217E42972B59083E5F326FBAE506041E1C7A1D34F6FBC841BBD61338B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70e88ee8e896e870 (15 x SnakeKeylogger, 7 x Formbook, 5 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
88 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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.Perseus
Status:
Malicious
First seen:
2022-10-17 03:53:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
9 of 42 (21.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vo84 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cc00adceb1967242eb2b56a3fbe12b3d9200cc3805ae09082ec6421f836722f7
MD5 hash:
d584023e7115997aec52c5aa8d7f6603
SHA1 hash:
9998a7a68cb0f3dc7aa7ec6284f4fe619380472f
SH256 hash:
b3012fe0b2586ca9b8d1cbdbf8ec8ab1cdc5a124fb6821278692465e102a12cb
MD5 hash:
20f052b2ccd7cbe0382496b49d1b45ef
SHA1 hash:
753d4056c383cdb53a7253bf4d74abdcd2ce4575
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
7f57baf941771509bb5f2b09a099e2b5a302c8892d5bdb65adcf47a8d4ecc64f
MD5 hash:
3645f5232be69d0f40dc64dcd82e89c1
SHA1 hash:
9bf337c974451c345bb2ce1c65128af7f553395e
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.

Comments