MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f
SHA3-384 hash: b8e43b5dab9afbfddcecbbcfcc776041c44b69a98c4b3d15a809af191e8ce3501b5b1695c6c5edb768270492920c0eab
SHA1 hash: 521bda730b2b340e88ddd5f8c19b4994088bfb62
MD5 hash: b4514c6314c651cee8d543e916b4eca0
humanhash: nebraska-potato-nitrogen-venus
File name:SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.31794.24352
Download: download sample
Signature Formbook
Create hunting rule
File size:606'720 bytes
First seen:2023-08-27 20:31:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mTQmGPdzXjTXKJsEXzqIOJA/8xmBkQQy3kOCxj:nmG9XjTqzqID/8siyjI
Threatray 3'603 similar samples on MalwareBazaar
TLSH T1C1D4130CBDED9B23C23C6AF9E5A250100278E65D5532DADA4CC620E90FE7BC4DA58F57
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.31794.24352
Verdict:
Suspicious activity
Analysis date:
2023-08-27 20:32:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f6e49b19-53e0-4371-86b8-2444bfbe052a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.GenKryptik.PWSX.tr.31794.24352.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/64ebb2c2b3b7d7c782d06f52/reports/2e02c8bb-5291-46a3-a391-14efedeeb419/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/615462b6-6ce2-4f2e-9674-ca11fd1bb39d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1298331
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-08-27 18:18:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6tqzbvztswginp7yd6dze4vp3hgk345sidbuswx4bwfghalxnhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4c817012f18358469290ab2d534a7670dbd7769499cfafa327b5f7afca8c3552
Formbook
94624d4514f91f314664e8d9e09dac46cd6aeeb841dda13f6a2ff9320e6e1902
Formbook
a3a00b759deeeee0e3b83af767eb61b2aa9d3ef76fbe6d8fac1864fdfda474c4
Formbook
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
Formbook
c3c4281831f463d7ee622d35ea584b893b99400c0dc7dda327557d48f10ec564
Formbook
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
Formbook
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
Formbook
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
Formbook
f9454d0787965826c1f6e031eb78495f153453fca4efea4ed993dceb61f2e3d8
Formbook
+ 3'593 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:v93r rat spyware stealer trojan
Link:
https://tria.ge/reports/230827-za9skseh7t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
7c4f52688e96b376bd32223bb9769062741d16d1ba72755cc75ed1ff75febe52
MD5 hash:
0a809eb50e7e100e4d460b01a6f4b9a2
SHA1 hash:
30a19329086b32b21af1bf6788e415a81d134935
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f4b9b451-555f-4f3d-9d02-442776dbbf44/
Parent samples :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 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/f4b9b451-555f-4f3d-9d02-442776dbbf44/
SH256 hash:
de83de70ea3ccb84224acda0dabae0c6dfa54a9449867e66f39d30ab17105135
MD5 hash:
d036f8059177a77612a416edeea242f7
SHA1 hash:
a2723b1fdd447f2c2d2b0ae3e019e7cfbeee08d6
Link:
https://www.unpac.me/results/f4b9b451-555f-4f3d-9d02-442776dbbf44/
SH256 hash:
840c22de20a53eaacf05ab37294480ced145472e840badaa55e46e25a3b4c15d
MD5 hash:
be1ecf023f91edf1721e6c432b9aaf05
SHA1 hash:
604b9a9a96ca203cad9776a007a22971fa45253c
Link:
https://www.unpac.me/results/f4b9b451-555f-4f3d-9d02-442776dbbf44/
SH256 hash:
57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f
MD5 hash:
b4514c6314c651cee8d543e916b4eca0
SHA1 hash:
521bda730b2b340e88ddd5f8c19b4994088bfb62
Link:
https://www.unpac.me/results/f4b9b451-555f-4f3d-9d02-442776dbbf44/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57a70c86b99c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/57a70c86b99cac6435ffc0fc3c93957ece656f9d92061a4ad7e06c531c0bbb4f

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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