MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f. 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 3 File information Comments
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SHA256 hash: 12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f
SHA3-384 hash: 1228301460bb9dbce88cec3dc65ee07e2fa0d02f25714cb4e11e17302d258d9942f089fd2144ded5e931b3cd7a8a1f4a
SHA1 hash: 0c9da35996bc54df9b6513e64cbf16a7e750ad8d
MD5 hash: 47e4d41536b4dd21fe8612278afde328
humanhash: fish-iowa-lima-kilo
File name:QUOTATION.ZIP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'133'568 bytes
First seen:2021-06-22 09:59:29 UTC
Last seen:2021-06-22 10:39:32 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 24576:qmHcYip6Ea85bgyW/93VaEbdGqsMlRFd8:pHI9NK/VVRpGqLFK
Threatray 5'908 similar samples on MalwareBazaar
TLSH 3735BF021ECEC45AE1734DB257B9EC5282756DAE2604E21D3FC1772EC573292E8EF609
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION.ZIP.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 10:02:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3e2c8f5-e5b2-4848-9737-fdaaa1ff153f

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/167529/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.12958.24617.12892.UNOFFICIAL
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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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/03d9dba1-d76b-46e5-b29d-4267dce0d796
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805886
Signature
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
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: 438297 Sample: QUOTATION.ZIP.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 10 other signatures 2->48 8 QUOTATION.ZIP.exe 7 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 28 C:\Users\user\AppData\Roaming\pkUzHCO.exe, PE32 8->28 dropped 30 C:\Users\user\...\pkUzHCO.exe:Zone.Identifier, ASCII 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmpBE06.tmp, XML 8->32 dropped 34 C:\Users\user\...\QUOTATION.ZIP.exe.log, ASCII 8->34 dropped 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Tries to detect virtualization through RDTSC time measurements 8->52 54 Injects a PE file into a foreign processes 8->54 15 QUOTATION.ZIP.exe 8->15         started        18 schtasks.exe 1 8->18         started        36 www.williamandholland.com 12->36 38 www.aiocitys.net 12->38 40 3 other IPs or domains 12->40 56 System process connects to network (likely due to code injection or exploit) 12->56 20 wlanext.exe 12->20         started        file5 signatures6 process7 signatures8 58 Modifies the context of a thread in another process (thread injection) 15->58 60 Maps a DLL or memory area into another process 15->60 62 Sample uses process hollowing technique 15->62 64 Queues an APC in another process (thread injection) 15->64 22 conhost.exe 18->22         started        66 Tries to detect virtualization through RDTSC time measurements 20->66 24 cmd.exe 1 20->24         started        process9 process10 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-06-22 05:14:52 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cl53cm5pu2dkfgupi5g3anhgdoyuwvaum2kkrgj4mhjiteglmnhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09b7bad9927b42997bf13051bf4960e216219067714e1dd41476f19d93f9e339
Formbook
1e7c90c92670df43c976c304162d61c88fa9042d1aa99bc6e8784e6e669a26a7
Formbook
1ff80cfa807700323750e18e0027ac5bff1c4f34080e27850856bedaceb13311
Formbook
33af2b745b27ae79559ac323d88199f92aa9fe8bb4ffec0963d6f622ec17f24a
Formbook
3926f922fe1ccafeb2bc3dea0332f8a3ec77ec2387a18e73fbbaafeec93bedab
Formbook
41c87199c61ff26a9f486e5bc9b6bfd010b4c112922bad655599f9a06e2c0ffc
Formbook
4219d83b725625bc780dbf37cb794fb68b289697d37372ba44a496af27bc7827
Formbook
473ec4f2b7a198ff36e66b86cbc05848883b4dffeaacb8b9c97e67e88e977986
Formbook
5bbf0eea1cd9e3b88c256c635e55f41d220107aebed5e8f64aff95311ab2e431
Formbook
a99cc9a72844d9e0ae08307714e5541a19e3ba9a5e5fd24a8deff56303ae60a8
Formbook
+ 5'898 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210622-gwghvm9536/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.jzmbgjj.com/j7e/
Unpacked files
SH256 hash:
9d6d5dffa7147a3a298caafe1a24c7eae6ef1f73d04c29c7132d1a604c133504
MD5 hash:
e624758f75c2a66f562c45a8ee7317d0
SHA1 hash:
1399ecd3fe17bc295cd86405f6b4b9c6eb0bf282
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/b4f9230d-1119-4ef2-9109-744bc4c44d1a/
Parent samples :
1b7b0ee9811587f5a4402008e994f9da8eecca2d61c2818c2747662b88697928
12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f
fffc665a528ef7890cc8ad27da9b1e1e9b5d813455875fdf591f5ddcaf86e490
9ae702c9e46c101c73bf7914b4862026d5faffba8fab559fa03e03d2015749e2
e1f620a49978341460d102aefd71b13a0f3d36aaf8dfa042844984ad6dcfaa7c
29559b48621146787d64cd953d655cd34f1b4a029c450d4364e2026e8a671982
5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294
SH256 hash:
4512b1895f1f1c372b0d8f6a5da87edb28cad45da20452688dd9dc7045a545df
MD5 hash:
63a11725cd0eec6946b45a280b28d85b
SHA1 hash:
bf88b231aa93a03033b7794fa9d15446d6eb2121
Link:
https://www.unpac.me/results/b4f9230d-1119-4ef2-9109-744bc4c44d1a/
SH256 hash:
ac9d85affb97db0b44c7da3e75419df9157130363f4dccd803af1d6b6f32ae07
MD5 hash:
3e22a6ce5c07f786b519cdd6b05ed2c8
SHA1 hash:
999563b321bdbd87448759051b69c860e08bca8c
Link:
https://www.unpac.me/results/b4f9230d-1119-4ef2-9109-744bc4c44d1a/
SH256 hash:
12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f
MD5 hash:
47e4d41536b4dd21fe8612278afde328
SHA1 hash:
0c9da35996bc54df9b6513e64cbf16a7e750ad8d
Link:
https://www.unpac.me/results/b4f9230d-1119-4ef2-9109-744bc4c44d1a/
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/12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f

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
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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.

Malspam

Formbook

Executable exe 12fbb133afa686a29a8f474db034e61bb14b54146694a8993c61d28990cb634f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/167529/

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