MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e. 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: 14

Intelligence 14 IOCs YARA 6 File information Comments

SHA256 hash:	f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e
SHA3-384 hash:	8ee0b69c417d32a82ef7e9bd2786c141022345ba46396d01e0c6ada58243f88407e6956f7a6b028b785fb091b901af02
SHA1 hash:	4d95a806d41eeb0906b325b2088935aa5f01115b
MD5 hash:	5b1984f2410016c4586cf31f4a5bbe7c
humanhash:	salami-fillet-kilo-leopard
File name:	SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.19397.9349
Download:	download sample
Signature	Formbook Create hunting rule
File size:	804'864 bytes
First seen:	2024-09-11 17:30:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	24576:d9UrJo1Yuq04mob4sD92Yxe1XRkQ0kk1z:4O1Ybmob4sDYieRaDLp
Threatray	4'135 similar samples on MalwareBazaar
TLSH	T1110512913BC8ADB7E6B93BF44AC80AA547F6C5325332F7D81CD061EB16E5B158920E07
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)
Magika	pebin
File icon (PE):
dhash icon	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	SecuriteInfoCom
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

486

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.19397.9349

Verdict:

Malicious activity

Analysis date:

2024-09-11 17:31:55 UTC

Tags:

formbook xloader

Link:

https://app.any.run/tasks/c9bb3b74-1cae-4a1b-acbf-a8b357cf9b36

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.19397.9349.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66e1d3d876bc4542b0497688

Tags:

n/a

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/66e1d3d7c97eb38a1fe3c0e4/reports/5ecc86cd-f5a3-4fe8-989d-febc5b9044a9/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/ed1637cc-2745-4a2f-92ad-843e16e14083

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1509557

Signature

.NET source code contains potential unpacker

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected AntiVM3

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e/

Threat name:

ByteCode-MSIL.Trojan.SnakeLogger

Status:

Malicious

First seen:

2024-09-11 15:34:46 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6s6r7hpmaet34blybmmu3orr5wq2jcboyxpy4rwjhktllcs7gn7a._file

Verdict:

malicious

Formbook

5f34961a8ffa3b3a50b309877283e04db10c8d9ad4ed4dc4d810029e12aa1bd7

Formbook

99e2fcc17330e0e1d8e31c814d659c4a00110a6da389102e22a25eedae3933b2

Formbook

f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e

Formbook

f9e5cc4383b8f2a3393ce2ce56cc450d2f70ca38f938cbef6a99f5f0096af3dc

Formbook

+ 4'125 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/240911-v3pwnatele/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/f531c543-c14e-4c06-9cdf-7b3ee7a48097

Unpacked files

SH256 hash:

bff286f985c22b56c9a653ac87df8f5c45051c63aee3f995ea0f937ae2faa22c

MD5 hash:

9b7abd2ff2fdcf612068ac28b7a2cd3d

SHA1 hash:

bb98e052dee85287d71fc2bf8c6314b7a4fff096

Detections:

win_formbook_g0

win_formbook_w0

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

Parent samples :

2c8b43fd65a13e27fd960fc1d5995c9e0dc63d4c80803fde0e4505de86a3186a
5f34961a8ffa3b3a50b309877283e04db10c8d9ad4ed4dc4d810029e12aa1bd7
b246a081a4c5a68590f53f2e7564a770df3d2aa16272f49ee2ad2d2b8a6d1005
f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e
df3c78262e1d216441fe9888920c87ee92fd963b4b3823e3e99b208b8b5b6101
7a54497b3213ca0a232b8483c0f23046b9d51a6c9816f768ec30094a72c47a9a
aba7d28fae8686990a87616f3a8b688865bfaa9bfaa0b85a3001c49ed5f3cd43

SH256 hash:

de9a19e98075663d459f5af6dee73ea137d7e80b924f2857dbc96a7f4fd449fa

MD5 hash:

aebcb745b8ac53dd84499e3e54e49092

SHA1 hash:

04634b789823299495ba2a3fbd7923347e2df0be

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

SH256 hash:

769e0bf3e997bbb7d70322fc3dea9d8f167847b9262a35246dcbf9e1169b45b6

MD5 hash:

59a95cbe93818b6b7172c2e17234416e

SHA1 hash:

7c44bacb857916b1b2307d822fcf3f92a3902fc7

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

SH256 hash:

ccb9551c759ff2144b027c824a7947c5428586cc34e37b14e54c829cebaa8511

MD5 hash:

9282a4182918826cad4b39cff50dd63f

SHA1 hash:

5ee02be0a8b0733a6dbb42c8ed59f17a8e89c524

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

SH256 hash:

c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08

MD5 hash:

b37fc99b846edbde0d0f36bee1760849

SHA1 hash:

0016396b048dcbda5b87742c32678f706db6362c

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

SH256 hash:

f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e

MD5 hash:

5b1984f2410016c4586cf31f4a5bbe7c

SHA1 hash:

4d95a806d41eeb0906b325b2088935aa5f01115b

Link:

https://www.unpac.me/results/34e96478-63d5-48df-a3c2-6cb55b1e06d6/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f4bd1f9dec01/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

0.85

Link:

https://yomi.yoroi.company/submissions/f4bd1f9dec0127be05780b194dba31eda1a4882ec5df8e46c93aa6b58a5f337e

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 Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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