MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501
SHA3-384 hash: 51b503936a4607aefccde78751aef3b87390693a94de7315ab109a35f3bad8b0b2c0bc2ff04b12ada6d406acd7e064a9
SHA1 hash: d499a11dd0c830bc249ad8398861044970b50288
MD5 hash: 31f9e7dbe967fedd707f5361a03264b7
humanhash: sierra-happy-oxygen-lactose
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:672'256 bytes
First seen:2022-04-20 09:11:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:M7cFgI0hZNe5kulGvNmrNm2IY+oyefEmZhG6/ChBBVMALh5WP727eR5LQWZNm:M7cFP5UgkbmyefEOhh6BBiOjWPS7MBnK
TLSH T10BE4E0DC326032EFC86BD076DEAC5C74BAA1747B530B9603945709AEDA4C597CF190B2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook geo TUR ZiraatBank

Intelligence

File Origin
# of uploads :
1
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264891/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.21776.22349.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/625fce72482f2f41cad822d1/reports/3df61080-1154-4d42-ac1d-b27ca49170bc/overview
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/87669644-4d65-44bb-9092-68516fd6304c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980348
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 612833 Sample: Ziraat Bankasi Swift Mesaji.exe Startdate: 21/04/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 10 other signatures 2->40 10 Ziraat Bankasi Swift Mesaji.exe 3 2->10         started        process3 file4 30 C:\...\Ziraat Bankasi Swift Mesaji.exe.log, ASCII 10->30 dropped 52 Injects a PE file into a foreign processes 10->52 14 Ziraat Bankasi Swift Mesaji.exe 10->14         started        17 Ziraat Bankasi Swift Mesaji.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.okephoto.com 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 colorcpl.exe 19->23         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 23->44 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-20 08:54:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp6e4rigp5hr7rmdfcnml6flho5gia2eh5i5ddefi2w7ldpgquaq._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:as31 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220420-k57jdaahfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
73d2c8a67ddb9058954f848629dac22aa4ea924d053d605c15b9be0f29c27b26
MD5 hash:
6d1a334cab8da33b031a2b3890461a64
SHA1 hash:
535e782651f3371ec5112e615d2518bc5f50cf09
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
Parent samples :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 hash:
237bcb1f7fff3eb1951f8bc3a0e0c0837b67f50b3b051ad19043c2abbaa050e0
MD5 hash:
54d0b8ea8f442f40d91a046e38890280
SHA1 hash:
9070a31c82b7db29c58da46582c3c9bec999332b
Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
SH256 hash:
74af70b027dc12d4c3d4f6c99652bdfb86156d9f22e3c7f86d5e2a4aeffbf337
MD5 hash:
3205e6681a4cfa23394039ca4f34843f
SHA1 hash:
e949ae9fe55deba27444ea247234a9f7e8b856af
Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
SH256 hash:
7c181e6d369d846d3e6b83b848909de368f32538731b6fd82f1db34e719f9ee1
MD5 hash:
8ce4fbd28d6c665c43bb3900d7e7c5e5
SHA1 hash:
4157807b7b7df89c8cd0bcf7f833224080902126
Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
SH256 hash:
1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501
MD5 hash:
31f9e7dbe967fedd707f5361a03264b7
SHA1 hash:
d499a11dd0c830bc249ad8398861044970b50288
Link:
https://www.unpac.me/results/9147800d-c0ab-418c-aa88-82a325564063/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1bfc4e45067f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501

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 1bfc4e45067f4f1fc583289ac5f8ab3bba6403443f51d18c8546adf58de68501

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/264891/

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