MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f. 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 4 File information Comments
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SHA256 hash: 3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f
SHA3-384 hash: e2ccab59fb8b14bd5e8084d4b58ae6bcf0a62ed82a9188247ee011561b7fd94cdf14f44deb4026c9929e4942154322f6
SHA1 hash: 2409b3aa6d381cf4f2e638e133344d5a29b4a65b
MD5 hash: 25348a9ed8b5714857ca9d90b6346c06
humanhash: red-charlie-oregon-victor
File name:0026011021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:508'416 bytes
First seen:2021-11-26 13:29:33 UTC
Last seen:2021-11-26 15:58:02 UTC
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:HMcioLwixBFmPshh73a+37V2VMj0iUlljLCw/N3hPmednq:scn0i1Rh73aLVoFwV3hPm2
Threatray 9'576 similar samples on MalwareBazaar
TLSH T160B40119766EBF12D9BC8BF784836140C3F698636365E31B9CC671EA3A15FF44106A0B
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0026011021.exe
Verdict:
Malicious activity
Analysis date:
2021-11-26 13:35:08 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1f247b50-b4cd-46e5-832b-de40193a5d43

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1118.28109.22795.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a0e15df36138de3f3f07e9/reports/4c839ff2-1369-4a52-a15d-ae7720b7e243/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/606be3c2-43ff-40b1-af1c-998477448ccc
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896745
Signature
Adds a directory exclusion to Windows Defender
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)
Multi AV Scanner detection for domain / URL
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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: 529220 Sample: 0026011021.exe Startdate: 26/11/2021 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 9 0026011021.exe 7 2->9         started        process3 file4 35 C:\Users\user\AppData\Roaming\JsVJCc.exe, PE32 9->35 dropped 37 C:\Users\user\...\JsVJCc.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmp9BBF.tmp, XML 9->39 dropped 41 C:\Users\user\AppData\...\0026011021.exe.log, ASCII 9->41 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 9->51 53 Adds a directory exclusion to Windows Defender 9->53 55 Tries to detect virtualization through RDTSC time measurements 9->55 57 Injects a PE file into a foreign processes 9->57 13 0026011021.exe 9->13         started        16 schtasks.exe 1 9->16         started        18 powershell.exe 25 9->18         started        signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Sample uses process hollowing technique 13->69 71 Queues an APC in another process (thread injection) 13->71 20 explorer.exe 13->20 injected 22 conhost.exe 16->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process8 process9 28 msiexec.exe 20->28         started        signatures10 59 Self deletion via cmd delete 28->59 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 31 explorer.exe 1 149 28->31         started        33 cmd.exe 1 28->33         started        process11
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-11-26 10:47:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4zjypcdvafpifcrc2ej2oalkarnoue3dcrwcq6tvx2flvy22axq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
Formbook
336a2648e0811ebd11a94bb59c5cd5ea06ff48485f734ce149a3f9f9a7e0c7f4
Formbook
62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
9b67f9dad10824c82b845955f11d5db737afb670aea11cd8717f4487b332874a
Formbook
9e29b8e60bf7a0e9f21ed8cca2d3e713b11e9be0ed6990e69ebf8ab5b5083c17
Formbook
b04306fa8223c20a1abaaa6aeb5cabb2a83dc04337beb2acfd47784b34b682bc
Formbook
d476f0d6936a06df598e0d45e9b80a4bc1e97880fd72351ecbde5fcb0dd2a96f
Formbook
eee3ae244d4b107caf97cc1fb723b1e20d233d9e8d73362ad1666175a7c1ef24
Formbook
+ 9'566 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:u1bs rat spyware stealer trojan
Link:
https://tria.ge/reports/211126-qrty1sfhc5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.vgmpradio.com/u1bs/
Unpacked files
SH256 hash:
76103add05c8ca7a29efceafaa6d241c11de14c358d2a2f1dd33714c2423d3f3
MD5 hash:
245840d43ff7f615649fc1d41a34b349
SHA1 hash:
4318cc898f26f68f2042a9d5b262493f17528795
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/139bfb1f-8f58-4926-b21c-a07f60f0f97c/
Parent samples :
429add11efba80f4e7d037b428d2dfc76e2c6904b5ff94ab0ccaa1fb4d665348
1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
78670e73101801526b59bf2bdead06d95cad399ff72abadfc0e00ba557643c80
62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f
3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f
100a38f41bd7479fffee98011672258611db629db410d4ef622dc2b87ba5b6fe
SH256 hash:
ba7efe470aed36d9d92caefd12f4164e339e18f4c38f28ee48967b59686b2442
MD5 hash:
cce618bba3d2922e21628b52a2fe3f48
SHA1 hash:
cc3acc0393a9b85dc53307cb2ec2d7f22046b18c
Link:
https://www.unpac.me/results/139bfb1f-8f58-4926-b21c-a07f60f0f97c/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/139bfb1f-8f58-4926-b21c-a07f60f0f97c/
SH256 hash:
3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f
MD5 hash:
25348a9ed8b5714857ca9d90b6346c06
SHA1 hash:
2409b3aa6d381cf4f2e638e133344d5a29b4a65b
Link:
https://www.unpac.me/results/139bfb1f-8f58-4926-b21c-a07f60f0f97c/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3f329c3c43a8/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/3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f

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
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Rule name:pe_imphash
Create hunting rule
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.

Comments