MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273
SHA3-384 hash: 738c5d8d9555b4a04fa241d48abb15e2afd9b21182fd698d59224178026b99934f30d97795701b3feae1fc5675a83006
SHA1 hash: da9ef989482ed6bee5816d6f982522ae297b4fe9
MD5 hash: 74a5200a7ea77a462e3b6bef77d791e1
humanhash: november-wyoming-hydrogen-lima
File name:SecuriteInfo.com.Win32.CrypterX-gen.2988.1540
Download: download sample
Signature Formbook
Create hunting rule
File size:832'512 bytes
First seen:2022-10-31 06:05:43 UTC
Last seen:Never
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:ae9RAgHtDg5xE1u3MdVorLb35594gvsOhm6lrW1oQLqSvTksdRJDED76U5Y8v5Eo:n4d3GorX3icmoQoQOeHdD4D9wgn39
TLSH T1E505C03439FB511DF273AF718BD4B8EE86AAF7232607F46B149103864712B81DD9163A
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 :
368
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.2988.1540
Verdict:
Malicious activity
Analysis date:
2022-10-31 06:08:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/38b8b68a-a2c6-4720-b85c-fe1d65fa27de

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/326268/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.2988.1540.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/635f65cd736e9d884f0da73b/reports/6511da04-f76b-486d-b75c-93d034d1bc5d/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ed08f67-edfc-48ec-b070-eb585922fade
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101458
Signature
.NET source code contains very large strings
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)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734119 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 39 www.bigger-boss-clothing.com 2->39 41 bigger-boss-clothing.com 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 7 other signatures 2->49 9 fsJIFAz.exe 5 2->9         started        12 SecuriteInfo.com.Win32.CrypterX-gen.2988.1540.exe 6 2->12         started        signatures3 process4 file5 51 Multi AV Scanner detection for dropped file 9->51 53 Machine Learning detection for dropped file 9->53 55 Injects a PE file into a foreign processes 9->55 15 fsJIFAz.exe 9->15         started        18 schtasks.exe 1 9->18         started        33 C:\Users\user\AppData\Roaming\fsJIFAz.exe, PE32 12->33 dropped 35 C:\Users\user\AppData\Local\...\tmpC887.tmp, XML 12->35 dropped 37 SecuriteInfo.com.W...n.2988.1540.exe.log, ASCII 12->37 dropped 57 Uses schtasks.exe or at.exe to add and modify task schedules 12->57 20 schtasks.exe 1 12->20         started        22 SecuriteInfo.com.Win32.CrypterX-gen.2988.1540.exe 12->22         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 24 explorer.exe 15->24 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 process10 30 control.exe 24->30         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 30->59 61 Maps a DLL or memory area into another process 30->61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 04:48:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6iqngbktrh5msises4y7zoptebt5e36n3pg637txrzf6iolqjzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:adb9 rat spyware stealer trojan
Link:
https://tria.ge/reports/221031-gtq6gabagq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/65ecee36-3758-440e-9e58-a99c4963abac
Unpacked files
SH256 hash:
2f2c3564f0cb84536cd2877a88e44289b1f700a11562aaf37bc0e1d4f0093e1d
MD5 hash:
9515ea2ac264c7a6e9c62dda6da6c378
SHA1 hash:
25687e6c0f4d31cb9d27d74d1debaa4ceab7d690
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8678cf50-0819-4116-9e80-19a91a36b1f5/
Parent samples :
bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273
53ef40bd7a3f40011262485f65a14550440b994ed5e902c9e8896bf22d2519cf
SH256 hash:
bb5202d2b5d1e23ba0491f3d4e3fa32ac83ab863d0a8457446de7c768ee6127e
MD5 hash:
6c33242d62f820d29f8a2e3991361566
SHA1 hash:
2029de3ed6edf5212927080b0dcd8aaf86997b49
Link:
https://www.unpac.me/results/8678cf50-0819-4116-9e80-19a91a36b1f5/
SH256 hash:
b9816d8e2336261fa74b973b4720cea5bb656af5c24734a9a2a5a843e62e321a
MD5 hash:
1ffd655c87c05c8de682c405d8f24689
SHA1 hash:
aad13dcaaee07aca37d2327969062efe9203f037
Link:
https://www.unpac.me/results/8678cf50-0819-4116-9e80-19a91a36b1f5/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/8678cf50-0819-4116-9e80-19a91a36b1f5/
SH256 hash:
bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273
MD5 hash:
74a5200a7ea77a462e3b6bef77d791e1
SHA1 hash:
da9ef989482ed6bee5816d6f982522ae297b4fe9
Link:
https://www.unpac.me/results/8678cf50-0819-4116-9e80-19a91a36b1f5/
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/bf9106982a9c4fd6491224b98fe5cf99033e937e6ede6f6ff3bc725f21cb8273

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/326268/

Comments