MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931
SHA3-384 hash: 86706b480ee9a91239394c6c5e16eb003bc24ec6deab676ed134ac2fa1364e7eb49630e7886a98469450e54a6cb47f31
SHA1 hash: 0d10ad8bd3adeabdd6a81869287f50a95f8db974
MD5 hash: e6d55202312115eddc7ea4ab1790cb0d
humanhash: carbon-wolfram-fish-quebec
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:705'536 bytes
First seen:2023-05-16 17:52:41 UTC
Last seen:2023-05-25 08:35:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vRMrJcifIwdfQtSdNFn/+Ydv0Szjf6m6oh2YHxyLJmFUM:8fdBmSd3/755gU2molmFU
Threatray 2'836 similar samples on MalwareBazaar
TLSH T18DE4BEFA32141FA3D3A846F88360B64563B631513C6BD7E4BDDF20DFA2D5B825629843
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)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
315
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
No threats detected
Analysis date:
2023-05-16 17:55:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d8d8f0f0-0f41-4487-95a9-2f241d7cc63b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/390546/
Detection(s):
SecuriteInfo.com.FileRepMalware.22257.28391.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6463c2ff1ae751d3dab8b596/reports/5aa6d0e5-3e09-4d68-af44-7a8382738bf1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931
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/f7f94954-b319-4eff-8d51-8a242fa980b1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1234768
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-05-15 17:30:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
16 of 35 (45.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpbcbgeh776wwj4yboumfqjy322fg4gfwcuegt4vikexy2qfzeyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0003b5d6c92e1466b6f734da9175b9cfc65ebd4d576b73f92100b0b2e899bb3b
Formbook
02354632f0dde13e166506a0db3ba41f85969b334cccfd80e2a0e121d1965a25
Formbook
030c152d386b5849508a740eecad662de4e716ad593eb95863c93bb9be046a62
Formbook
1d362a46e002c187e1ad022dea2fa97809a211c9ba763cfe63600d893fa3ab08
Formbook
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
Formbook
4759019b080ba0e6212bf1db94be7c1efebcb517a7cd7060186f50731c662769
Formbook
4d9d3571a9694b594e2be0b578c92ace288b1446aa514b5d0606f2809783e6f5
Formbook
83655561bbc25a8d8d3e737bed283be32e228982310731a9640000797cd520b3
Formbook
9b72403d8d0663158210961631adbc2b5574b89c249804edef87de56ab36c9b9
Formbook
e2c2908685e1e75ab146191d8757a42fda84c0c0be27f2fd7fe301a8fc0bb679
Formbook
+ 2'826 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230516-wgaehsba5z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
e031d5f3652259dd052e79eaee198ab7fb0feb522a859771289a39a73a297f06
MD5 hash:
5e5b621044793588fde2b9482b862083
SHA1 hash:
b85e8343fc412a63748589cd544b90ccc841dc92
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
Parent samples :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 hash:
fc83e07cff47a7ea1058bf4d75f6d98fcdaf457a6f88007dccbbc36796a16847
MD5 hash:
fe559bbf47ec0c554420bba97f79ba0e
SHA1 hash:
c097427b5800a352d105c830e98332fe8925bcdc
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
SH256 hash:
a3d3c7bcb35d2093f5e7eabd0c472c46e47f36073e0b48012c4d5ca549545034
MD5 hash:
db95ce50f09500c6a72511899df4843a
SHA1 hash:
e53fa8039c2be814c8e0d353725cbdd5ac7a4551
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
SH256 hash:
b552bab65316448e5e87c81f5e767fecf40039bf3f52ae09d186d155dd2d0b55
MD5 hash:
ebc406a2ded8101331502638ae1bbb76
SHA1 hash:
d5839545957fb5bc7f729b4ebc857832d8eb00fd
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
SH256 hash:
39f8590f301a70b757bee6f7779a425e6caf9bcca2584e7fa9c8501874973441
MD5 hash:
c2f4a739806741d9cc2ff8a41872df7e
SHA1 hash:
5a50b446d9be88b3deca992f46e7fc4e8cdeb160
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
SH256 hash:
6722a58c81f6d11004e880bd8481acc423bf96afd46bf692f1562cfa4c5852bd
MD5 hash:
d92d2ba953be4be2d6f2bc859ec5c607
SHA1 hash:
05da51752277bd907ebcfb799524ec7655abbc3a
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
SH256 hash:
8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931
MD5 hash:
e6d55202312115eddc7ea4ab1790cb0d
SHA1 hash:
0d10ad8bd3adeabdd6a81869287f50a95f8db974
Link:
https://www.unpac.me/results/2be9a063-87a4-4b43-8f28-85514fb23018/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

Formbook

Executable exe 8bc2209887fffd6b27980ba8c2c138deb45370c5b0a8434f9542897c6a05c931

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/390546/

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