MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ab21860dc07109d05161f3d971e0099619e8ad3902f228d9c75422c9c5026a9. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 9ab21860dc07109d05161f3d971e0099619e8ad3902f228d9c75422c9c5026a9
SHA3-384 hash: 6a47cc28510bd9d4b1fc6377d17128b0ac0b0ceae860e53bdadfc55925ac7839c39c889d857f27cee9e139c056ac27ee
SHA1 hash: 4eb7c697e4af820a2eac1aeeef075b2085cf608d
MD5 hash: ab193c5a5cddb5ebae89fe8e1f91c6dc
humanhash: apart-carolina-queen-shade
File name:Remittance_90523_03.exe
Download: download sample
Signature Formbook
File size:707'584 bytes
First seen:2024-02-22 06:27:50 UTC
Last seen:2024-02-26 14:56:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:FJ5Ujd53LlvE3sRtEE19E35dCRlqabQEa8RqbvznCkFCfmdhC8/OqqgyfMH/SW:tKwAtEEqdMl9lU//Cf/6hKGS
TLSH T12EE4239476EB4DFFDC2D36FA134E42A88B7DC67B9873C34DA84E4622554174CBE01A0A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 10b134d988eacc04 (4 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1396685 Sample: Remittance_90523_03.exe Startdate: 22/02/2024 Architecture: WINDOWS Score: 100 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 7 other signatures 2->34 9 Remittance_90523_03.exe 3 2->9         started        process3 signatures4 38 Adds a directory exclusion to Windows Defender 9->38 12 Remittance_90523_03.exe 9->12         started        15 powershell.exe 23 9->15         started        process5 signatures6 40 Maps a DLL or memory area into another process 12->40 17 wmGkbzWyrCnwugtFwpX.exe 12->17 injected 19 WmiPrvSE.exe 15->19         started        21 conhost.exe 15->21         started        process7 process8 23 dvdplay.exe 17->23         started        signatures9 36 Maps a DLL or memory area into another process 23->36 26 explorer.exe 4 1 23->26 injected process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-02-22 06:04:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
db45c91f048f475e4fc2fdd60915c4360a9b54e7495427b4322c5033b114b2cb
MD5 hash:
51db6376d98468b832585c4e032f2d3a
SHA1 hash:
a8fa91d277a15bb73ee53c86b30d4f36309c4dc8
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
SH256 hash:
cbf850de6b8cc91ee4e74d4dbdd766625b16d879aea24b652dbbe2c6515e3f68
MD5 hash:
7c3050fa273a71f8971ede53989c6c94
SHA1 hash:
ae55b59f5157b8a9b1e26c79ace60c93e468926f
SH256 hash:
d70e4033db330c128a0fed627f2bb0faee896f86112e6f4170adefc9a580dff1
MD5 hash:
ec2a8446d2bb3f4a4bd67c0fab01fd3d
SHA1 hash:
72adabdb9c297f0cad6708f40b90f90c894e387c
SH256 hash:
a97db53bbab508bbc9ff9a076ea7ff3c8edc39f8fb1a31c1341928c8d01b7603
MD5 hash:
5b1ac35e216073ff162cc3e421ed4b09
SHA1 hash:
5c3314d261f30c150f764cf4244e0245529ed8c8
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
SH256 hash:
9ab21860dc07109d05161f3d971e0099619e8ad3902f228d9c75422c9c5026a9
MD5 hash:
ab193c5a5cddb5ebae89fe8e1f91c6dc
SHA1 hash:
4eb7c697e4af820a2eac1aeeef075b2085cf608d
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Malspam

Formbook

Executable exe 9ab21860dc07109d05161f3d971e0099619e8ad3902f228d9c75422c9c5026a9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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