MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653. 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: f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653
SHA3-384 hash: 6dae599f8212e5e025f4718dfb84f10843e5820b04a202c7627826030245c0b8a92cdc846b19ec3089c7e7cb0e18baec
SHA1 hash: dc358dfc0d9fb3baa1b0ee0e0c608ab07b6de8dc
MD5 hash: a0125a75b34ce4eca51a2efe0854862e
humanhash: lion-artist-zulu-seventeen
File name:PURCHAS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'116'160 bytes
First seen:2022-03-27 17:46:34 UTC
Last seen:2024-07-24 22:56:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:vslUaqfYLwtRpKk8tQED7s02mFyBBYkhXwMo:FNrx2tLDwcFyJD
Threatray 14'665 similar samples on MalwareBazaar
TLSH T1FC351241F6C89649C82E4BB15932DDB413B7BF2A7D2DEA0DA9B1711E95333C34212E63
File icon (PE):PE icon
dhash icon 7cf6b6aa8ed0e8b4 (18 x Formbook, 3 x SnakeKeylogger, 2 x NanoCore)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258200/
Detection(s):
Win.Dropper.Jacard-9878052-0
Create hunting rule

Win.Dropper.Formbook-9917440-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6240a31b1f204239483b550e/reports/6143727e-18e1-4aad-a5d7-f091881eb45f/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a998966f-3740-40ba-aeba-0176ae05411a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965340
Signature
.NET source code contains potential unpacker
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 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:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-03-27 15:39:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6gmyoldrqe2xyd4xwhcucusruqnqlcfpiakgd4yz7l7jjmxnizjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3e3ccb3b130c86bb2d82a52f8a7e191efa9499577ba0a3d3f335d5a1e1597b76
Formbook
44fcbf4b6194a2835b5193606c9ad3ac9aa62b3fe6f724201f8b8edfd3b24076
Formbook
9ce095407360621d73c9274fa4c8ada20469de99c13dfa17c546c50516b0e9b0
Formbook
9cfa1deda62a35bf8c2211bf4c1996d880c84c4242308a5d74403a570d70e066
Formbook
9e3075aeadf4672cd6edfeb02d197a31a05be6330e3d179125c68c9d60893d18
Formbook
bc91c7988916b582c31a55f44cbdebcfae416c3f645bf8826485fc358e0ac0e7
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
Formbook
e073516efee850dda1e008bcd82c3160cb867dda001bec42d76f6aa6af82a257
Formbook
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
Formbook
+ 14'655 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d1n3 rat spyware stealer trojan
Link:
https://tria.ge/reports/220327-wct85abae2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
7b67f368c4fd94831894849ec9fa44cd97947d04ed7793bcc95786b1cd0a53b8
MD5 hash:
c377124183d9f07def0b0610f1b61af3
SHA1 hash:
948a9c900e1bf72aeea33a1b31e534863dd74c6a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e94dd892-c08e-4d33-b42c-1231aa0aa73d/
Parent samples :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 hash:
4b661b47ff2398776b50589698b6d12397ebd16888299974edd4abd75f84f4ca
MD5 hash:
5c88689a21c8dfd4b78a30bdaeec4c65
SHA1 hash:
eee864b24b2ae782c6bb886cf96089b5b04125e9
Link:
https://www.unpac.me/results/e94dd892-c08e-4d33-b42c-1231aa0aa73d/
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
Link:
https://www.unpac.me/results/e94dd892-c08e-4d33-b42c-1231aa0aa73d/
SH256 hash:
4e09cb5c944189acc1e6767e4c96dda8d01c5417a9dd7b1bb2b3cafa6801df1f
MD5 hash:
156418d5abeba042e27a1de226f18a1d
SHA1 hash:
2eba0b23dfaa4e8b4c6a10f3352afca7a23a70e4
Link:
https://www.unpac.me/results/e94dd892-c08e-4d33-b42c-1231aa0aa73d/
SH256 hash:
f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653
MD5 hash:
a0125a75b34ce4eca51a2efe0854862e
SHA1 hash:
dc358dfc0d9fb3baa1b0ee0e0c608ab07b6de8dc
Link:
https://www.unpac.me/results/e94dd892-c08e-4d33-b42c-1231aa0aa73d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f199872c7181/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/258200/

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