MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519. 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 5 File information Comments
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SHA256 hash: 46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519
SHA3-384 hash: 5dcd220ea8e92a89736925003e8b1f49e76f75a0c9d5cf903c4780b77ee1d8453e806046faba4b1ae12929c43763bf8e
SHA1 hash: 2b616ea940151616e4bf3dd1dfebc1ce1e67166a
MD5 hash: 42c9b109947565bb6a7b8f314468af19
humanhash: spaghetti-jersey-saturn-kitten
File name:Shipment Document BL,INV and packing list.jpg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:758'272 bytes
First seen:2022-02-22 07:25:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hYdSpuu7l3sHPCNH22qla5w/yXbxlih5tndgnyBQyGf+v2aPkmQQ1v+J4bBG:GCuYl8vCNH0MW/IbxlUndgnyBQyGf+vu
Threatray 12'022 similar samples on MalwareBazaar
TLSH T1D3F48D48D7565AC5E8E54A7985FA5B112750BAB18DCBC30772AC253ECABF3B43E4028C
File icon (PE):PE icon
dhash icon 69d4b26868b2cc71 (23 x Formbook, 6 x SnakeKeylogger, 2 x AgentTesla)
Reporter cocaman
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/243146/
Detection(s):
SecuriteInfo.com.EXE.Obfus-4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62149017875593a3cc013454/reports/313d0496-eba1-4890-972b-d32449e5500a/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/8000fe59-c366-463f-a044-b170d9a276e6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943692
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 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
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 576168 Sample: Shipment Document BL,INV an... Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 10 Shipment Document BL,INV and packing list.jpg.exe 1 3 2->10         started        process3 file4 34 C:\Users\user\AppData\Local\huss.exe, PE32 10->34 dropped 36 C:\Users\user\...\huss.exe:Zone.Identifier, ASCII 10->36 dropped 38 Shipment Document ...ng list.jpg.exe.log, ASCII 10->38 dropped 58 Injects a PE file into a foreign processes 10->58 14 Shipment Document BL,INV and packing list.jpg.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 process9 19 huss.exe 17->19         started        22 systray.exe 17->22         started        24 huss.exe 17->24         started        signatures10 48 Antivirus detection for dropped file 19->48 50 Multi AV Scanner detection for dropped file 19->50 52 Machine Learning detection for dropped file 19->52 26 huss.exe 19->26         started        28 huss.exe 19->28         started        54 Self deletion via cmd delete 22->54 56 Tries to detect virtualization through RDTSC time measurements 22->56 30 cmd.exe 1 22->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519/
Threat name:
ByteCode-MSIL.Downloader.Seraph
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Status:
Malicious
First seen:
2022-02-22 03:47:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
27 of 42 (64.29%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i2vjrgmebjrndxmtyx7w4lwurhkackiljzp7dv5wkygktt4fmumq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
26a193d73c8ff03c76bab877f9a6a4d16078a09bf5abb85ab104d2d7d0685315
Formbook
8eedc524cbcf57998c67472c72d0db19becad221e770bea32486deb9661d3fd4
Formbook
8f0a372287ebba19a62630d683fc3292df06a10faeaed2ac68cde0c5b2374844
Formbook
e2682ee08233df5afc90d9295165ffed0373e4f34278d99d5a30622c2577639b
Formbook
e29100d2ecddd199e9b4b40d094b36f7a67981393cf3f58cfacabf91e3dd7eed
Formbook
+ 12'012 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f1s1 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220222-h9k5tseag8/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
874edfe2badfeb0324824d9e91328b7fb0e30f92dffc508ac7ec6cae45044c96
MD5 hash:
aa4a9e73fb8f03161b46171295cdd411
SHA1 hash:
34905e428b64be6482cf8454b17c6629f31e02ef
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f26d1c0b-e4f5-4609-845b-f18cc36698c9/
Parent samples :
0a4ebd7a3922a03ec0c6db580671714e2318e997af1f6613ede7471d4d81f0ab
2af06422e62704ac3eb70a7ce1b5fa08d5a2f0f0bb71b604298aedc24e256f56
46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519
951abf2f4116821009369b593b8b56f353bb6176e7574b44fcb448eaea6515db
69e2e974e72cad787eefb413d7a2cec8bf4f71365ac46093556a8362e9ada553
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/f26d1c0b-e4f5-4609-845b-f18cc36698c9/
SH256 hash:
f6f9ae9bfdddb234189c37d7aeba90441fbd2df9807a868b28f9b55488a998a9
MD5 hash:
bca54e15009c0a450a4841967d448a70
SHA1 hash:
2107294ac6b8ad7af6677c1b0e368dd0be79398c
Link:
https://www.unpac.me/results/f26d1c0b-e4f5-4609-845b-f18cc36698c9/
SH256 hash:
46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519
MD5 hash:
42c9b109947565bb6a7b8f314468af19
SHA1 hash:
2b616ea940151616e4bf3dd1dfebc1ce1e67166a
Link:
https://www.unpac.me/results/f26d1c0b-e4f5-4609-845b-f18cc36698c9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

ace dd4ef87d3ee1f79c6c650bcb11f24ccb3f90bb98c839d4725c5b081c9e87ca31

Formbook

Executable exe 46aa9899840a62d1dd93c5ff6e2ed489d401290b4e5ff1d7b6560ca9cf856519

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 dd4ef87d3ee1f79c6c650bcb11f24ccb3f90bb98c839d4725c5b081c9e87ca31
Cape
Cape
https://www.capesandbox.com/analysis/243146/

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