MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6
SHA3-384 hash: 1568cbbde81afd7fa6e82884a5c1ea4b0205572f3006f031825300a721c917617c8cafbe37e65c58f04f7c9bb25574ba
SHA1 hash: ceaacb7b3e131e7b24c7a5eeb5963fd22718088e
MD5 hash: 38b875adacdb9c591c5fddd6ae6bf5ac
humanhash: comet-georgia-carpet-potato
File name:Image 007.exe
Download: download sample
Signature Formbook
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File size:704'000 bytes
First seen:2022-11-21 11:21:18 UTC
Last seen:2022-11-21 20:17:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:AbgcpCYrNWrbIoqccujMBrmScm+mzl2g0RSn05QZ/IP7mVYHZOAP:AMICQaV52eJgASn05Q1ITswZ
TLSH T1DBE4292D79BCF412EF3BA9A70EE6AA4BCC305241121E91071D2937DEE93587B3D4D14A
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Image 007.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 11:21:49 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/aa3574d8-bd5b-426b-baa1-58d13d33830f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/336712/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24449.23270.1698.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b5f60e64742f53c107029/reports/cb11a381-1b2d-4550-b333-cdd90d6add23/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5dd6a47c-b60c-41a9-a1fb-bace3af8f57f
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118042
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750754 Sample: Image 007.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 8 Image 007.exe 3 2->8         started        process3 file4 22 C:\Users\user\AppData\...\Image 007.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 Image 007.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 12->15 injected process8 dnsIp9 24 natroredirect.natrocdn.com 85.159.66.93, 49720, 80 CIZGITR Turkey 15->24 26 www.toggeksper.xyz 15->26 28 redirect.natrocdn.com 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Performs DNS queries to domains with low reputation 15->32 19 cmd.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-11-16 08:38:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6z74vd7xsctwsw4w6x2f2hnpjfo6jxc7v3absak7p2uhbj5vpta._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:wub3 rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-ngklgsgc85/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ab4f138a-a7cb-400f-85f8-3699ad18a48f
Unpacked files
SH256 hash:
b84acf8df7cc72d85bb9664a1bb33ffc895c61aa7075ae384056a67fcc03e069
MD5 hash:
2d871fca2960deb4b609cfdfa23dea7a
SHA1 hash:
f01459ed5ad494fd523eb96ad1e24a09dec8128c
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
Parent samples :
7b6ca663a60e7000174939d7dd5f7a16d44928530d6708323716932cf88f078b
b27e59569369304f6c75be15ceb1cdf196611420ae4fb5d7a3f79989de96c5b7
4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6
SH256 hash:
06f033b6fde520a536683d17fc9f1700f2a8686f874cc331856bc3f4f3bf313f
MD5 hash:
fa3c176155ff927f571d66431b70db68
SHA1 hash:
ec81f388e73d6a35baf3c4663e8c80d593dd2e21
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
SH256 hash:
a2fe0085bd7177bab819c8b9dd8a3a3b769dd839cea43e4dfd07f70cc384a13b
MD5 hash:
a8e0bfaea5bbf467878aed9e99af5d08
SHA1 hash:
e36e366c5d1705f351d4957c799d439fd51f0caf
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
SH256 hash:
8b7d37110ca1a5a2951e2a63cbd017dd719fac1d44e0b5083298791e84830a64
MD5 hash:
f91907870bae8383f93375bc58bd898b
SHA1 hash:
8ea3ae1863ca4185e0ef6255e130799327581b57
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
SH256 hash:
4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6
MD5 hash:
38b875adacdb9c591c5fddd6ae6bf5ac
SHA1 hash:
ceaacb7b3e131e7b24c7a5eeb5963fd22718088e
Link:
https://www.unpac.me/results/971d83fa-c9e9-4ddb-af9b-401436c8c0cd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 4fb3fe547fbc853b4adcb7afa2e8ed7a4aef26e2fd7600c80afbf543853dabe6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/336712/

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