MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687
SHA3-384 hash: b4bca4fbab03dcc51d07bff89436e0c2eb31ffc7d77bdfedec14015fe52af103147bd93bd3c20d74d3893ff85329d14d
SHA1 hash: a60acf9edf82336461be5fad960d180146dde486
MD5 hash: b284260ea7e4454432d306189832a144
humanhash: fix-victor-pizza-nebraska
File name:SecuriteInfo.com.Win32.PWSX-gen.13358
Download: download sample
Signature Formbook
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File size:1'201'152 bytes
First seen:2022-09-08 12:05:51 UTC
Last seen:2022-09-20 05:58:49 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:ydXvYmT43oiQfxvGhZK8T3eVg11+Gtp6Cz02PED0xNW7qmLfAMxr5vX:y1FJiSYhk8Tiw+4pNPeUW+mrVxX
TLSH T1F4454A0635924EA1D17652B890CDC1728BB59E45E23FC647BFCD9CEBF182F6845C23A2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0cc96b3b392ccf0 (8 x Formbook, 4 x SnakeKeylogger, 4 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.13358
Verdict:
Malicious activity
Analysis date:
2022-09-08 12:06:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f712502f-0289-4470-ab8e-12fa56409218

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/308764/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.13358.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6319db3ea90642bcbbef4f3f/reports/ba14bc8c-0719-452c-adb1-dc3f3e5e2bc9/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e550c04-1efa-4d65-8215-96745cc944ba
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067092
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-09-08 12:06:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=swp4rcb6nmouvn37s44hsjbv4lnodfuvgdzw2jts3nwlhf3xq2dq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:awqu rat spyware stealer trojan
Link:
https://tria.ge/reports/220908-n9qyzaeed4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
4dc7182f06dad062aea5e49049a7539c179579f2a4f36b01faf193a194b6a886
MD5 hash:
83c5dab1c5f6fd7724d1832d93bbd7bb
SHA1 hash:
5d8ceec9d3493c5ef6952058aac1c154b14958cb
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
Parent samples :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 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
SH256 hash:
bec84383f07ad6da1656b6451c634f3496d32ac8f65ffa9d5e22e0af8f225736
MD5 hash:
b7e914ecb1146667dbc79cda6c88bea2
SHA1 hash:
604b1008d3f400ad3672ef86e17739e9ee652ebc
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
SH256 hash:
5db276cd6bdb6018a6b82e0af419e5d471376e4a50259ccfc0cb99b852b0241a
MD5 hash:
cc303b0b4ed36cb17883204cacfbc246
SHA1 hash:
0952d00fe26791d844da3fcbb3b8fd5ed51c65b6
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
SH256 hash:
959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687
MD5 hash:
b284260ea7e4454432d306189832a144
SHA1 hash:
a60acf9edf82336461be5fad960d180146dde486
Link:
https://www.unpac.me/results/926e85e7-5e1a-4e5c-941f-20751627ce1b/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/959fc8883e6b/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/959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687

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
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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.

Malspam

Formbook

zip ce3fd6d7303e91a975b9abcf35e5a21da98fa7559e761256a906412064034256

Formbook

Executable exe 959fc8883e6b1d4ab77f9738792435e2dae1969530f36d2672db6cb397778687

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/308764/
  
Dropped by
SHA256 ce3fd6d7303e91a975b9abcf35e5a21da98fa7559e761256a906412064034256
  
Dropped by
MD5 5f70739ec4c9092e732a995b5b284aaa

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