MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c8f774034203771ed942e0c4a07b3bace7e8455993f57ed046d53cb6bfb1e1c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c8f774034203771ed942e0c4a07b3bace7e8455993f57ed046d53cb6bfb1e1c
SHA3-384 hash: 90ab57f7c0bcbd69635bcaad57db7afc4dfb5ea7b91dadac4999f0f7a8aa2f5b8199cdea5c30c25b7cc677032a809a4c
SHA1 hash: 1cd0f1807f2ecf95b764cf6e736304cbe625511c
MD5 hash: 6ffbba462c898aa1c830d85b9a5a6185
humanhash: iowa-carbon-louisiana-india
File name:SecuriteInfo.com.Variant.Lazy.257895.19591.11514
Download: download sample
Signature Formbook
Create hunting rule
File size:1'064'960 bytes
First seen:2022-10-27 09:19:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'799 x AgentTesla, 19'718 x Formbook, 12'278 x SnakeKeylogger)
ssdeep 24576:1EMA2mx/W8WW0QOJjLMX1c1oUL6N1XUilV0:15A2mx+7XMX1cakif
Threatray 16'562 similar samples on MalwareBazaar
TLSH T1BE35BD28335F4F07D0DACEB4A8B0D1B017A64DBAA96ECBC5CAC46CF775462E45A4D843
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Variant.Lazy.257895.19591.11514
Verdict:
Malicious activity
Analysis date:
2022-10-27 09:21:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/d487d9b5-0f2a-415a-a8fb-d1724182cde0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/324801/
Detection(s):
SecuriteInfo.com.Variant.Lazy.257895.19591.11514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d97c134-d235-42f5-b648-b2bb7a7d7c7a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1099144
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731796 Sample: SecuriteInfo.com.Variant.La... Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 8 other signatures 2->69 10 SecuriteInfo.com.Variant.Lazy.257895.19591.11514.exe 7 2->10         started        14 XYQgtUsZqnUpNP.exe 5 2->14         started        process3 dnsIp4 45 C:\Users\user\AppData\...\XYQgtUsZqnUpNP.exe, PE32 10->45 dropped 47 C:\...\XYQgtUsZqnUpNP.exe:Zone.Identifier, ASCII 10->47 dropped 49 C:\Users\user\AppData\Local\...\tmp15A1.tmp, XML 10->49 dropped 51 SecuriteInfo.com.V...19591.11514.exe.log, ASCII 10->51 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 10->77 79 Writes to foreign memory regions 10->79 81 Adds a directory exclusion to Windows Defender 10->81 17 RegSvcs.exe 10->17         started        20 powershell.exe 21 10->20         started        22 schtasks.exe 1 10->22         started        53 192.168.2.1 unknown unknown 14->53 83 Multi AV Scanner detection for dropped file 14->83 85 Machine Learning detection for dropped file 14->85 87 Injects a PE file into a foreign processes 14->87 24 RegSvcs.exe 14->24         started        26 schtasks.exe 1 14->26         started        file5 signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 17->55 57 Maps a DLL or memory area into another process 17->57 59 Sample uses process hollowing technique 17->59 61 2 other signatures 17->61 28 explorer.exe 17->28 injected 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        process9 process10 36 cmstp.exe 28->36         started        39 mstsc.exe 28->39         started        signatures11 71 Modifies the context of a thread in another process (thread injection) 36->71 73 Maps a DLL or memory area into another process 36->73 75 Tries to detect virtualization through RDTSC time measurements 36->75 41 cmd.exe 1 36->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c8f774034203771ed942e0c4a07b3bace7e8455993f57ed046d53cb6bfb1e1c/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 05:27:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rshxoqbuea3xd3mufygeub5txlhh5bcvte7vp3ienvj4w273dyoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15fb929ef970e4764fe0e9c9e5505c6676e399dd27c1ab22e9b2eda7366f44ab
Formbook
401d8ede073c42e3cb7c03934bbbb8b1ace7ae84c88098a680c6cefbaab26cdf
Formbook
46cbbf73c50dd90268f30bec98085b53402a7de7d0911f4045fb286162687e60
Formbook
566b1792d888a840627496095ec7ef8fb969dda1390de7cbb33b91ad3a2005ac
Formbook
ab6ca79d5ad4fe400e7c57b831c71c0a11503f827e66abf52f51ba218854d7f9
Formbook
b9919579d8d7357ce721b68c6e06709eb9a6fd10066aa0d238fccc55ef7d2112
Formbook
cdda311b19b7310a22c171a9e83e6eb26f0319b9ea904cd6cbbed31b371e8fc7
Formbook
d936dbd1677939645b8945767ce9525ad92f068e0d81c9316e4c83fe916811cc
Formbook
e63c3b11d92150b40ea8e1a34314be6055aee5214b3558473c539e9aa33ec150
Formbook
+ 16'552 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m21d rat spyware stealer trojan
Link:
https://tria.ge/reports/221027-larp4sbff5/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
d3ae2b25aa5d05a4694207754360649852c1c836c6e1d94b322168d4c0366d62
MD5 hash:
b614607ff45c17ea438f2346199f2d0b
SHA1 hash:
1ad3b886d6fe0e491239656aaa7216903ec255cc
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
Parent samples :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 hash:
7b3721f78f5344f1003ee98223878d2a9d2a93e958cf81d486554a5dbf4b66d8
MD5 hash:
fc4c099c7940082ae29de35de1b294f7
SHA1 hash:
b8dcf0ac314384f218b1a9961f98b0c5f75c8b67
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
SH256 hash:
edd8baa50c5b35c7edb5a6f2e7f9e00b1e2af64521bb91efc32554de7295daca
MD5 hash:
2d582292c5c3e20658983743a8e6ef68
SHA1 hash:
1a11f9a3676bf4b101645e9323d3f6a6097df26a
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
SH256 hash:
3d203090abd347e13d72a955dd9a85f2deb712589111326c2dcb3a618169333b
MD5 hash:
d3ea2a3bbe007e4be4ed7cf32b8e103c
SHA1 hash:
02b872de033f3b9d7fc34407a89f18f968a6dc99
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
SH256 hash:
8c8f774034203771ed942e0c4a07b3bace7e8455993f57ed046d53cb6bfb1e1c
MD5 hash:
6ffbba462c898aa1c830d85b9a5a6185
SHA1 hash:
1cd0f1807f2ecf95b764cf6e736304cbe625511c
Link:
https://www.unpac.me/results/f0da5549-0b0e-44a4-8b28-5fca308e9903/
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/8c8f774034203771ed942e0c4a07b3bace7e8455993f57ed046d53cb6bfb1e1c

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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/324801/

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