MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9
SHA3-384 hash: 6a3b4c83f5a773a8f2da12a7c6f874212d98656b168d39e6c97dd77ace9d4174948c2a0fdc0d93581ca38d960a59dade
SHA1 hash: 1ebe973942db3da29de1dc292b8a0c8601f1e7a0
MD5 hash: 6f4d64fcfbc82b91eb1f5e9fcffd15d3
humanhash: mike-sink-pennsylvania-vermont
File name:Invoice.exe
Download: download sample
Signature Formbook
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File size:1'017'344 bytes
First seen:2022-12-09 14:14:53 UTC
Last seen:2022-12-09 15:29:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:LIfkZ8IvMSd+WmvcGi+Dgr1hJsOSt3RpLJjpF:LNhvgOGNDO7Hyp
TLSH T1A1257CD5ABF2A026F48F32922418369DCC35BD43374BE19667763B5082D48FFB698483
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) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/344730/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24938.18499.18481.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639342e79a505ad9423e7afc/reports/a6c57bb0-1f2e-4ffe-b119-ab5987e64786/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4294c4a1-4684-454e-9d48-ab0f2037674e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1131465
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 764189 Sample: Invoice.exe Startdate: 09/12/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 8 Invoice.exe 3 2->8         started        process3 file4 24 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 8->24 dropped 50 Injects a PE file into a foreign processes 8->50 12 Invoice.exe 8->12         started        15 Invoice.exe 8->15         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 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.kuai-miao.top 107.148.51.202, 49721, 49722, 49723 PEGTECHINCUS United States 17->26 28 amspustaka.com 139.162.55.233, 49724, 49725, 49726 LINODE-APLinodeLLCUS Netherlands 17->28 30 3 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 svchost.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Deletes itself after installation 21->46 48 2 other signatures 21->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-09 11:55:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5d57fu4jsaghdusw2dvtkgo2u6d2ff7obnnb7wopevfm3e7hxuq._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:wu27 rat spyware stealer trojan
Link:
https://tria.ge/reports/221209-rkjp5sdd23/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c422487-3d29-42c2-a672-914d9d513de6
Unpacked files
SH256 hash:
ac2fd1e9534704ec118d11943f9f1f0ab74188d17a7ac0aa019f170414daeac6
MD5 hash:
630a0f68c7d5a6ad22f7d84c86554194
SHA1 hash:
3d1b205398be697dd38693e9603e6d9c221f917f
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/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
Parent samples :
3f208f220000f38395c96a06011496d755e7f4932a037ac08f884dbe81462a0e
b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9
SH256 hash:
64ef5206fc78c7bf6b3e89dd54eb985b8eca001183048962e6c89e5c67d0ece0
MD5 hash:
3d5c8fbf701e703262ab71aedd49b257
SHA1 hash:
622fa6a0ed0eec8d1f9ed97fb4cd0baa494de0a1
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
SH256 hash:
0557aeb6edf60b6a359301075578f6cc7a662b872c215fcef1c838dcc9f01b90
MD5 hash:
98da7b56a12e65febad01c8ae7a6ed1d
SHA1 hash:
f511f7e637000b7c0522d74541edc35148eef64a
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
SH256 hash:
922915132a628d0050bf03a473370544dde3323627fb4adcba3f1ba869537e50
MD5 hash:
1ecb63625d636b0b8f8ebdece9fa80c3
SHA1 hash:
5623d5ad21fc63893011bae7e4709c51219fcc1c
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
SH256 hash:
4a7ec6d1287077faa821e84ae7c930e5100bf2f793ff2b803a430d7bc04b8744
MD5 hash:
a04d8e56be6540499cc1808813107552
SHA1 hash:
1ac35020e04bb2257d2289f9891c57219428f679
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
SH256 hash:
117f4d8a2d6e38bf9966c95a74600b428295feb4250b37a28684411929dc40c4
MD5 hash:
5b18868cb834dd62206be3aef5c0d853
SHA1 hash:
0de5a045c98afa47837b9e86338a44bd804c7929
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
SH256 hash:
b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9
MD5 hash:
6f4d64fcfbc82b91eb1f5e9fcffd15d3
SHA1 hash:
1ebe973942db3da29de1dc292b8a0c8601f1e7a0
Link:
https://www.unpac.me/results/e82a087e-ee77-4ca0-bf52-d8e554c6c774/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/b747df969c4c80638e92b68759a8ced53c3d14bf705ad0fece792a566c9f3de9

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/344730/

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