MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
SHA3-384 hash: 994f29e0f1b173c3024962da365e0edc96d6948b07c0e33877a8087e3527006cae41b7b986853cad73f679882f7daf5c
SHA1 hash: 4bd259f7c707aaee689c29ffe7bc38776b275737
MD5 hash: f9bec48a37ed98a974077a4f6afb4516
humanhash: lactose-indigo-eleven-triple
File name:MT103 SWIFT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:690'688 bytes
First seen:2024-01-29 09:24:19 UTC
Last seen:2024-02-05 08:33:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+yTAoIFFHgeg/cAJt7l2ycDhisk1b893U5ib8vjYM9G4ZRUGY+rddsQuW:+yTAXFxA7Qy6k1g93wd9GkRScHs7W
TLSH T146E4128037EC5B66DABF8BF4195180508B7A3A277AA6E30D4DC260DE0D72F0157A5F1B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/473374/
Detection(s):
Win.Packed.Filerepmalware-10019564-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b76ef64e14bc829403c8a1/reports/7545a089-bd5f-4390-bedd-4325b861ec86/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
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/cad68667-f44c-4322-be6b-7b858071db37
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1382558
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1382558 Sample: MT103_SWIFT.exe Startdate: 29/01/2024 Architecture: WINDOWS Score: 100 33 www.secureredirect.xyz 2->33 35 www.rutindepo.shop 2->35 37 12 other IPs or domains 2->37 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 47 8 other signatures 2->47 11 MT103_SWIFT.exe 3 2->11         started        signatures3 45 Performs DNS queries to domains with low reputation 33->45 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 14 MT103_SWIFT.exe 11->14         started        process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 17 explorer.exe 8 1 14->17 injected process8 dnsIp9 27 www.footballcab.com 85.128.128.104, 49720, 80 NAZWAPL Poland 17->27 29 www.oo9cs.site 156.234.201.169, 49714, 80 MOACKCOLTD-AS-APMOACKCoLTDKR Seychelles 17->29 31 6 other IPs or domains 17->31 20 systray.exe 17->20         started        process10 signatures11 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2024-01-29 06:45:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vqfr6r7tnpn4rf2dsdmeoplu63tr2uqzum4hs3wz2bmc7aba7ddq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ki21 rat spyware stealer trojan
Link:
https://tria.ge/reports/240129-ldmkkaeff4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
49e4740bda6c13ab67503ed276497089205a297dc2ca2645116b37e1f3b9d0aa
MD5 hash:
73673e1cff8aa4de7fe976521ed74940
SHA1 hash:
958864dcd2ea903319640681b62a5d630b254374
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Formbook
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Link:
https://www.unpac.me/results/9e1d4c58-890a-4b16-8e71-53ed04dd9803/
Parent samples :
ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
21a34d80499260fcf691ed16c83da9f3a9d14a7e2299d73d7976112230a98e5a
2a1b5e6dcd2c73e73fa3cdd788771c9f25152cb60d8c8ad186983327f541d0fa
96deb2b04135c0b3d7f7ad059870a3fb2e8aebcf8c260df81f507d8fbe71fb5c
b98dbe3fbbc3aebd02d205d45b61c61d71b83bc8cec5435bb6e5c9b880872f73
37b8750101990658c22bfd86276c1b8ae86b627a40ac5b8ce20b9b305a3ff465
2a321e21bd01aa4f0ff4793c7ab4b2bcc01ff89f098b39daa0ba1e335f05ca2a
SH256 hash:
1cee4690f75f22df410ca12ecc58d0441337c7daf8ef706d2f95cdfb40e7c85f
MD5 hash:
fbc4741d78b59c2f02adffa9aea166c8
SHA1 hash:
c91fec05e937baea349d4650c867e67e6fb7e3db
Link:
https://www.unpac.me/results/9e1d4c58-890a-4b16-8e71-53ed04dd9803/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/9e1d4c58-890a-4b16-8e71-53ed04dd9803/
SH256 hash:
3512e50a7509ca8b120d7835c69302e5d739fa3651dd65485e5739a1cc991ede
MD5 hash:
8bc76b6253fe4689a874767bdefec712
SHA1 hash:
4642b756487c2e1878e7e03e32e77b51df0b3b3e
Link:
https://www.unpac.me/results/9e1d4c58-890a-4b16-8e71-53ed04dd9803/
SH256 hash:
ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7
MD5 hash:
f9bec48a37ed98a974077a4f6afb4516
SHA1 hash:
4bd259f7c707aaee689c29ffe7bc38776b275737
Link:
https://www.unpac.me/results/9e1d4c58-890a-4b16-8e71-53ed04dd9803/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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Author:malware-lu
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.

Malspam

Formbook

Executable exe ac0b1f47f36bdbc8974390d8473d74f6e71d5219a338796ed9d0582f8020f8c7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473374/

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