MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a11c35e1719bd95c2d3898f28d39c2143605865d02baf921bc1789c5bfe6683. 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: 7a11c35e1719bd95c2d3898f28d39c2143605865d02baf921bc1789c5bfe6683
SHA3-384 hash: 783b6546d451ee2795c50bda59c32c5147eebfe80fc213afa796a23333727929f8a372f897942cb987829f977ef8d9b5
SHA1 hash: cfc5eeb8267968c80d6fd3057bfcb70f372902c9
MD5 hash: 28b078fe06dd7cdd5fecc00a6f5b48df
humanhash: spaghetti-fruit-table-low
File name:Remittance_90523_03.exe
Download: download sample
Signature Formbook
File size:692'736 bytes
First seen:2024-02-13 13:16:21 UTC
Last seen:2024-02-19 08:42:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:b1keQ5vzilt4LBim9UX021RCuhg2p/CHbhzgs0q+qhAMFJV1a9ADVAQE4ao:b1krincB1U3It24yrq+qO+JVrJv9
Threatray 849 similar samples on MalwareBazaar
TLSH T172E422201A24E3A3C56917FC692322C623B723A753A8FB0ABF95149E4D73307B751672
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 ccba71ecccc071b2 (3 x AgentTesla, 3 x Formbook, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
5
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
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
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1391401 Sample: Remittance_90523_03.exe Startdate: 13/02/2024 Architecture: WINDOWS Score: 92 25 Malicious sample detected (through community Yara rule) 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected FormBook 2->29 31 4 other signatures 2->31 9 Remittance_90523_03.exe 3 2->9         started        process3 process4 11 Remittance_90523_03.exe 9->11         started        14 Remittance_90523_03.exe 9->14         started        signatures5 37 Maps a DLL or memory area into another process 11->37 16 DSWNtHrzPZvnIJlmUGVrbDVhs.exe 11->16 injected process6 process7 18 dvdplay.exe 16->18         started        signatures8 33 Maps a DLL or memory area into another process 18->33 35 Queues an APC in another process (thread injection) 18->35 21 DSWNtHrzPZvnIJlmUGVrbDVhs.exe 18->21 injected 23 explorer.exe 18->23 injected process9
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 05:28:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
SH256 hash:
8c69c6e93b1d2a3691f7b6fc64b06d5f2ab8090d69339f87eb38e7ab3df68e8c
MD5 hash:
2b586cf73bf57280713dab55eb28bc14
SHA1 hash:
68e61e2763119339813c5a527ead166a0e134cf8
SH256 hash:
fa4d6e5194b9756ad11ae32245d89458266715430252def03ebdc61c341a683f
MD5 hash:
24f20db2feb6ddb62cf948cbccd42c0d
SHA1 hash:
3c6f2dc3bcb4b9088152c9b449ce2c46fc9165c8
SH256 hash:
7a11c35e1719bd95c2d3898f28d39c2143605865d02baf921bc1789c5bfe6683
MD5 hash:
28b078fe06dd7cdd5fecc00a6f5b48df
SHA1 hash:
cfc5eeb8267968c80d6fd3057bfcb70f372902c9
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 7a11c35e1719bd95c2d3898f28d39c2143605865d02baf921bc1789c5bfe6683

(this sample)

  
Delivery method
Distributed via e-mail attachment

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