MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9. 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: ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9
SHA3-384 hash: 2876affebaa71f151e05a421cdf45f31e39bee8ca0316c302e682e2ed08cc71cc190089ee0bc2950b760fb9fb00e0c5b
SHA1 hash: ca92401e68c6a65d863303235a018538b91e3422
MD5 hash: e5aec87031becb8f74adc6a244a4965c
humanhash: fish-texas-cardinal-speaker
File name:ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9
Download: download sample
Signature Formbook
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File size:827'392 bytes
First seen:2022-12-08 12:39:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Zr18+L74mBfNUstzouz7Wouu6YlLH03r8JN:ZrrTnUI
TLSH T188053A4F2A7FDDE0EB246CFB21545702AE315DE9AA8BCA7843987BC650F261C1B70464
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/344351/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48217.UNOFFICIAL
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SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Sanesecurity.Rogue.0hr.20221121-1832.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed phishing
Link:
https://www.filescan.io/uploads/6391db2555eb3470cd4ff32b/reports/8fa99efd-2144-4498-8c01-ac8cea305ec2/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/164f1ad8-42be-4ffa-b83d-6c35a831e936
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130778
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 domain / URL
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 dnsIp2 2 Behavior Graph ID: 763500 Sample: f4lpaHBR6e.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 31 www.wagyuoroshi.net 2->31 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 9 f4lpaHBR6e.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\f4lpaHBR6e.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 f4lpaHBR6e.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.icmanmique.com 45.207.106.144, 49698, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 16->25 27 smartrykvanniekerk.site 169.239.219.58, 49699, 49700, 49701 DIAMATRIXZA South Africa 16->27 29 www.smartrykvanniekerk.site 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 cscript.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-21 13:26:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76olr4fxpodcpl7xjcymi77yhzjp3thdfauddenafbfhvpouzheq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:c43g rat spyware stealer trojan
Link:
https://tria.ge/reports/221208-pv75dada21/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3670239f-00df-45ea-aa32-c0e74714c7de
Unpacked files
SH256 hash:
53eebc325efeb90ecd7d4e51cc37f7442756203bf3bc47b79ab404fb75d5be24
MD5 hash:
5e75f7b3adc9f5213f0215ec981bc57f
SHA1 hash:
5f5837d4f178bf00f3f04a18aa556b24ea94315e
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/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
Parent samples :
5c09d69e1074890c0f9dd2b4cb100200179fc87de3e60f3d70a007f07d7864e1
ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9
SH256 hash:
100bb6c2a47aad2b7fd3aeafb71ac144b38a8c5e65128f1aa1a90bd40bb3cfba
MD5 hash:
3563bcdf39d52133dac7663dcbb81dae
SHA1 hash:
a7c121645fe70d024f36859044ac044454c3b4cb
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
SH256 hash:
8dabbc218821e2c10f85f29464c95dd88d656aece2a44376f4c86aef49154ae7
MD5 hash:
533804cfeb65a4c6dff3fe9b7be89d43
SHA1 hash:
9c4f53ee2a2170684efb48a2b7f4a2dc38641c88
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
SH256 hash:
00e235f40a9e794b9d6cb9fb9244e321a4e632951bdb809044b0e2af07b98d35
MD5 hash:
48c6f000da9a80f92b48ef6099fa8a37
SHA1 hash:
9b43df5e56005d1ee03f16ff02f26e76272aca7c
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
SH256 hash:
31b663b91f11b8f7da1d8bd87f8532e563f301754b1ca2c0a97c2f358ad116dd
MD5 hash:
ba1868faf5de09265b89c44732c1ab3d
SHA1 hash:
38997e35e0c68866a2a6e4a7356252e1f252e2e5
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
SH256 hash:
caf783da31c98a76964a5aa797fcdc5faa75e05217c28b5175bcecfcbf9ce576
MD5 hash:
d624da4852b997642e97e3b7923d4a08
SHA1 hash:
119e48ef2d5688464820d75ebad46683d4b2408e
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
SH256 hash:
ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9
MD5 hash:
e5aec87031becb8f74adc6a244a4965c
SHA1 hash:
ca92401e68c6a65d863303235a018538b91e3422
Link:
https://www.unpac.me/results/d022fcb9-79c3-41a8-a658-10eaa8803cc9/
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/ff9cb8f0b77b8627aff748b0c47ff83e52fdcce328283191a0284a7abdd4c9c9

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.

Cape
Cape
https://www.capesandbox.com/analysis/344351/

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