MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e
SHA3-384 hash: 503f0f959cf81698c4166b78d09ce8ab5c369c661a7ce27e0148fb93e01e219e24dbfef316d8c5d6f66d7e4faa012f57
SHA1 hash: a35cc8da5657429e8dce30a0777d656a82ed0dea
MD5 hash: 54bff98fc188808cdabe02e9d5661df8
humanhash: maine-artist-alanine-bravo
File name:AWB_NO_907853880911.exe
Download: download sample
Signature Formbook
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File size:732'672 bytes
First seen:2024-02-19 08:41:59 UTC
Last seen:2024-02-27 11:42:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:deSmPwRYnOELz890rPTP2Q26r2cAu6guIqanSA1d4qA3yALktMZsJOomKLEm5:sSmP0Y74UL+QT105AyCcxsJOvKL
TLSH T17FF4228561B59B6ADC3A8BF851A6906487F3B1430873F64D9ED960EF4F93F108B28707
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) (4504/4/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
292
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476739/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65d31461781f5716463d5bfa/reports/04d73d9f-9f4e-4566-919e-06a1b9d345ee/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e
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:
MSIL Injector
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/366ba504-0027-4486-8c83-b7ff6221371c
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394331
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2024-02-19 07:27:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ds3lzn2g2lxvxrkrbaqcc5a67vjmqosiqfdroo54kho7o2hzykha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240219-kl1lqabg23/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
db45c91f048f475e4fc2fdd60915c4360a9b54e7495427b4322c5033b114b2cb
MD5 hash:
51db6376d98468b832585c4e032f2d3a
SHA1 hash:
a8fa91d277a15bb73ee53c86b30d4f36309c4dc8
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
SH256 hash:
72bcae0a952db5fb78200baee0b33b50441e43cb94de792208d634e135ea5056
MD5 hash:
cd0324cd8b91150651a0748935a335c7
SHA1 hash:
29552ad8f5981e1b53eeb6b3cbb32904bedb1085
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
SH256 hash:
1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e
MD5 hash:
54bff98fc188808cdabe02e9d5661df8
SHA1 hash:
a35cc8da5657429e8dce30a0777d656a82ed0dea
Link:
https://www.unpac.me/results/47823e90-4a74-4100-8bfe-939af37730db/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cb6bcb746d2/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/1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e

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
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Author:malware-lu
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

Executable exe 1cb6bcb746d2ef5bc551082021741efd52c83a488147173bbc51ddf768f9c28e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476739/

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