MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56
SHA3-384 hash: b38cc5887cce1d683ecf42c0bdf479cb3e3aec33364455f695d765c054a31d9f160517ab845cd632d6bc51b0aec50653
SHA1 hash: 090455883f51006470fd92707ad40bfc308842ab
MD5 hash: 81b094203aef350549baaa46a93f9b66
humanhash: december-uniform-fillet-two
File name:PO987556.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:908'800 bytes
First seen:2020-11-25 06:42:33 UTC
Last seen:2020-11-25 06:48:09 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 24576:XHMwUDPHMYHM62oEHMy5LvEQ6+6T25SssamyHqqxgHM:XI7bwoYkQ6V25saZHqyU
Threatray 3'029 similar samples on MalwareBazaar
TLSH A2159C27339C87ECDBAC7BF8503011BF35A6DA51822DF6ACDED5CC474B5286806B5A81
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/546652
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Injects a PE file into a foreign processes
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 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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 322420 Sample: PO987556.exe Startdate: 25/11/2020 Architecture: WINDOWS Score: 100 35 www.edlasyarns.com 2->35 37 g.msn.com 2->37 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AntiVM_3 2->49 51 6 other signatures 2->51 11 PO987556.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\PO987556.exe.log, ASCII 11->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 PO987556.exe 11->15         started        18 PO987556.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 39 www.imagetown.group 217.160.0.166, 49741, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->39 41 firedoom.com 151.101.1.195, 49742, 80 FASTLYUS United States 20->41 43 3 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cscript.exe 20->24         started        27 autoconv.exe 20->27         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2020-11-25 05:44:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=efnrxtv6t62qxr5tvkthgjkvtrnitf7scalqt7ftiwn7grbhj5la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
Formbook
23cb1d198cca93539a5bdbf18ce44ae3692be0ae968b5fe55e3794ec481aa1cf
Formbook
2693356eb785b39160f0dd89c916020ab5ae032faaa931b30c393e93da2740e4
Formbook
277cbccaab65669d5d245b53cc8dec596db650f30daf23c62b8a54cf93867b8d
Formbook
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
Formbook
6c38cd22154fec33d60c57f97e3a4d09d481f30422c2d0b1a6a65ea65639dd69
Formbook
82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
dde122ac5a5a8eb786e335b3278dc5aae9cd3635c889fc4eb641a7a69123954d
Formbook
e84b45b4e30dbdd8025a76075af204369ea5b1c638b7c15ec7998600936ce181
Formbook
+ 3'019 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201125-veqp5snhca/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.firedoom.com/sbmh/
Unpacked files
SH256 hash:
215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56
MD5 hash:
81b094203aef350549baaa46a93f9b66
SHA1 hash:
090455883f51006470fd92707ad40bfc308842ab
Link:
https://www.unpac.me/results/fbc0ecd1-662c-4aad-8ce3-5332e2056ea0/
SH256 hash:
a3a008b87ded765ed76c9bedd06dbae5f62edd573da15d376cb3fb91b4bd7f09
MD5 hash:
5ae25f51e2881f74cc9e057ef48c02a6
SHA1 hash:
a8e9e48e0e788e76ce01e923946bfb0c2098b39c
Link:
https://www.unpac.me/results/fbc0ecd1-662c-4aad-8ce3-5332e2056ea0/
SH256 hash:
b0847a3cadd83151782d82c7b65b688d89300ef4119f6dc1c66316700e64ec7f
MD5 hash:
468dfe1e32ee61087ce992076cebde16
SHA1 hash:
421f0190c5623cd530fa2b29b0aa2959d82676e9
Link:
https://www.unpac.me/results/fbc0ecd1-662c-4aad-8ce3-5332e2056ea0/
SH256 hash:
5613557b490da5b6f0b86c5bf322c79d0d812d228b95990aaa9874030d30f5b1
MD5 hash:
2c729989edcbd54c6434f03db8584e40
SHA1 hash:
656854a600e51a2e57ec93e5172403a46c48f17b
Link:
https://www.unpac.me/results/fbc0ecd1-662c-4aad-8ce3-5332e2056ea0/
SH256 hash:
76cda4a2cce2a7df151d7b6c79fcd53cde4006a64e018a84690236ba2d1e8335
MD5 hash:
41f05cd3fec86261b562d3f7e2513c29
SHA1 hash:
2c499304ca0bffd589dedb4bd629a832b5c201d6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fbc0ecd1-662c-4aad-8ce3-5332e2056ea0/
Parent samples :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 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/215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56

File information

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

Malspam

Formbook

z 9d2c50c7dc006af555553e9949e8753db8416812f8fe0f125eb41ac32158d143

Formbook

Executable exe 215b1bcebe9fb50bc7b3aaa67325559c5a8997f2101709fcb3459bf344274f56

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9d2c50c7dc006af555553e9949e8753db8416812f8fe0f125eb41ac32158d143
Cape
Cape
https://www.capesandbox.com/analysis/105450/

Comments