MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8
SHA3-384 hash: f956665d626646e49e8e8b260f01c55cdf0ae9b0e2d47092e46455cb34e7681c4693298fcf5f915e2919be1746537821
SHA1 hash: c60f23390c0a6306bbac2e3b7651ae5827388825
MD5 hash: 0113f54d084f560fbebe3e73141c01a4
humanhash: jersey-ohio-september-music
File name:cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8
Download: download sample
Signature Formbook
Create hunting rule
File size:752'640 bytes
First seen:2021-08-16 11:14:20 UTC
Last seen:2021-08-16 12:27:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tL22G/JCsXXBq3RV5L/Y3DHYMqjFMuOunL9Pwkkv2TahM7qLubg4yxfhEAXT7:B1G/PXohV583Enu989Ix+mTqbg42h
Threatray 7'934 similar samples on MalwareBazaar
TLSH T1C4F4BE385454996FC672A537C628EB00FEF349927232CD0A439BE6871F1B0435A9EF6D
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8
Verdict:
Malicious activity
Analysis date:
2021-08-16 11:15:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ff8509e0-bf3c-488b-a836-fbb9e2e9dc2f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/179501/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.44699.13514.20752.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1f0aeda-6d8d-48c6-a565-195c4f51f2cf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/833443
Signature
C2 URLs / IPs found in malware configuration
Found 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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 465874 Sample: pNvXx2R7xW Startdate: 16/08/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 8 other signatures 2->42 10 pNvXx2R7xW.exe 6 2->10         started        process3 file4 30 C:\Users\user\AppData\...\qRcfHaPOVjviq.exe, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\...\tmpF872.tmp, XML 10->32 dropped 34 C:\Users\user\AppData\...\pNvXx2R7xW.exe.log, ASCII 10->34 dropped 48 Uses schtasks.exe or at.exe to add and modify task schedules 10->48 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 pNvXx2R7xW.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        process8 process9 23 msiexec.exe 19->23         started        signatures10 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-07-20 09:03:35 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4rm4tznxfxp7kcmobiecybjnzdyvmduikzmd6plz74spa6gqgua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
Formbook
3ee6f995f613e6a7e1e55c7a40d710701abead643e0ec9712c7dedb1800be01a
Formbook
4d90c368dbb4c085f00a9d323996a1c6235acd5afadcbcf935d0b56a432a3410
Formbook
5fc1f737492b4a7e01b1e2befa4e25b1a65c7a6a83b4ec419660d0c3c4894300
Formbook
74038c5bbdbded24e577d6c081d88febe59735546d902323a310e2e9d3f66677
Formbook
90d238a1c183586c60ffb6c1fb4786950483080240feca7fbf6d99ab98c64a6b
Formbook
ad2a5569cb14f86fe191f54f6fecb7bf1fe389418858f5fc72e6367c9780a9f0
Formbook
bdc84c917558fe1a4055309a8d6ad6d89d2cdf5a6741c218ace44f70489f9260
Formbook
bfcda678eede144bcbb62d4c257ed2e05a26a5087893f3dfb62273bace6fe872
Formbook
e780eec0d603f5a419530a5d2c6fd85c664ac0cac7f97ba1136263fe57ea5a64
Formbook
+ 7'924 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dxe rat spyware stealer trojan
Link:
https://tria.ge/reports/210816-djn77frsse/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
Unpacked files
SH256 hash:
82b76cb52e7135143e7e19e257d5eee8716e202521d37ec995ff5881d984bad3
MD5 hash:
83fe55a4dd78d4231a62124159d77652
SHA1 hash:
8f63071ec33d77fd671572fdd7f17a14b5fee00e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/620cd775-c330-44d3-9e1f-d8584e6ac05f/
Parent samples :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 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/620cd775-c330-44d3-9e1f-d8584e6ac05f/
SH256 hash:
e38e5df840de229ad1750a61837f7ff1a733424df79ac8c7330a3816fb7e0c7d
MD5 hash:
391d56e2836af7c572c1b9f9016c82b2
SHA1 hash:
3a90d020a1c49465ae1c1caf77a09946289365a1
Link:
https://www.unpac.me/results/620cd775-c330-44d3-9e1f-d8584e6ac05f/
SH256 hash:
cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8
MD5 hash:
0113f54d084f560fbebe3e73141c01a4
SHA1 hash:
c60f23390c0a6306bbac2e3b7651ae5827388825
Link:
https://www.unpac.me/results/620cd775-c330-44d3-9e1f-d8584e6ac05f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cf22ce4f2db9/report/overview.html
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/cf22ce4f2db96effa84c70504160296e478ab07442b2c1f9ebcff92783c681a8

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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/179501/

Comments