MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730. 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 6 File information Comments
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SHA256 hash: 5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730
SHA3-384 hash: b0456d5878608d10976af1cfab67f206dad3ec2fc1c4b65e8116ff31ba1ed76ef2f965f00db469add387654ba8a3c91b
SHA1 hash: 2de1bce4bf42a911f02ebadbaf808f80c706c254
MD5 hash: 396636916356b7860d989fc3b46b2719
humanhash: west-stream-texas-glucose
File name:iata_awb_complete_157-98850603.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:839'680 bytes
First seen:2024-01-12 13:42:29 UTC
Last seen:2024-01-12 14:01:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Ik90GViBMwoijWHqm46a2TBI0loBqgS7eNguUV17EYdxEhbnCmd2EPO7m8su1t:Ik9VzwoijExq0Er8WgE5CmRPcm8
Threatray 360 similar samples on MalwareBazaar
TLSH T1D005F19513111A67CB73A7B1DAF3A7020A54F0BA8416DB5B83D56435B12B2FF2FB2B01
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 14:15:22 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/a140c033-5a99-4b5f-b3dd-67abd5bea516

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/470542/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
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Win.Trojan.EmbeddedReversedDLL-9940922-0
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Win.Trojan.Generic-10014419-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65a141f399da41ccd7d006b9/reports/f2c88127-cd90-4695-8f9f-2bc64c705b5c/overview
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2381f060-b171-45a0-aa77-f51b95881ec3
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1373776
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1373776 Sample: iata_awb_complete_157-98850... Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 6 other signatures 2->73 11 Yajpisrf.exe 2 2->11         started        14 iata_awb_complete_157-98850603.exe 1 4 2->14         started        17 Yajpisrf.exe 2->17         started        process3 file4 85 Antivirus detection for dropped file 11->85 87 Multi AV Scanner detection for dropped file 11->87 89 Machine Learning detection for dropped file 11->89 19 cmd.exe 1 11->19         started        65 C:\Users\user\AppData\Roaming\Yajpisrf.exe, PE32 14->65 dropped 91 Encrypted powershell cmdline option found 14->91 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->93 95 Injects a PE file into a foreign processes 14->95 21 powershell.exe 23 14->21         started        24 iata_awb_complete_157-98850603.exe 14->24         started        26 cmd.exe 17->26         started        signatures5 process6 signatures7 28 Yajpisrf.exe 3 19->28         started        31 conhost.exe 19->31         started        75 Potential dropper URLs found in powershell memory 21->75 33 conhost.exe 21->33         started        35 WerFault.exe 19 16 24->35         started        37 Yajpisrf.exe 26->37         started        39 conhost.exe 26->39         started        process8 signatures9 97 Encrypted powershell cmdline option found 28->97 99 Injects a PE file into a foreign processes 28->99 41 Yajpisrf.exe 28->41         started        44 powershell.exe 28->44         started        46 Yajpisrf.exe 37->46         started        48 powershell.exe 37->48         started        process10 signatures11 77 Maps a DLL or memory area into another process 41->77 50 HtdlsmtTLnFCbvagGtzkVfOmkwA.exe 41->50 injected 52 conhost.exe 44->52         started        54 HtdlsmtTLnFCbvagGtzkVfOmkwA.exe 46->54 injected 79 Potential dropper URLs found in powershell memory 48->79 56 conhost.exe 48->56         started        process12 process13 58 ftp.exe 50->58         started        61 ftp.exe 54->61         started        signatures14 81 Maps a DLL or memory area into another process 58->81 83 Queues an APC in another process (thread injection) 58->83 63 HtdlsmtTLnFCbvagGtzkVfOmkwA.exe 58->63 injected process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730/
Threat name:
ByteCode-MSIL.Trojan.AgenTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-12 00:29:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4jnnl6l6xedrev7h5rc5fdlorq22bhtmy7pisrj7ky2wphgo4ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
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Formbook
70b9a33ff0a0015c752ba25d48217462ec82614f8ad333bb0eebe42392bc80a7
Formbook
a5bea05a2f6c78eef246760dc715dd3fe10b0615ac161efbeb8a2cf6c9836499
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afd7592da43e21b2731f1fd0e3c11b95e5d87ce3ef2967240089331c7bb367d6
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c6278fa04be065c8a37b80f35ebbafef00de918be694488ac9fc429016486cc1
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cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
Formbook
+ 350 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat
Link:
https://tria.ge/reports/240112-qz8r5shgf4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730
MD5 hash:
396636916356b7860d989fc3b46b2719
SHA1 hash:
2de1bce4bf42a911f02ebadbaf808f80c706c254
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/e3efb5d8-3261-4c77-a779-f8f388842c82/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5712d6afcbf5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
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Author:Florian Roth (Nextron Systems)
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

Executable exe 5712d6afcbf5c83892bf3f622e946b7461ad04f3663ef44a29fab1ab3ce67730

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/470542/

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