MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
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SHA256 hash: af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53
SHA3-384 hash: 64c8ea1a3f7c7c368e69bf1b9e9868bba959d30bacb84465ce8b96f23384fded0837a697a2f1ec32d3ec6f5614b9bcbc
SHA1 hash: ccc99a4eb0434b7245bcbe9c0545ade11bdef598
MD5 hash: 65148eb8a0222383b150f3df98eeb4a9
humanhash: yellow-wyoming-aspen-gee
File name:65148eb8a0222383b150f3df98eeb4a9
Download: download sample
Signature Formbook
Create hunting rule
File size:278'528 bytes
First seen:2021-06-27 21:35:26 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 6144:SEtTqjFAlP9MUYvjfFiDBPWBG0MQ3IfU2rQ:SE9ZlP92wydMQ36UcQ
Threatray 6'051 similar samples on MalwareBazaar
TLSH 0A441282FAC0ADFBC49791360E93D779F3729E140B83860717F13F2E6E758498529296
Reporter zbetcheckin
Tags:FormBook msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/168496/
Detection(s):
Win.Malware.Filerepmetagen-9874481-0
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Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53
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/808622
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
DLL side loading technique detected
Found malware configuration
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441033 Sample: 7R9igRpuL4 Startdate: 27/06/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 6 other signatures 2->52 8 MSI431C.tmp 20 2->8         started        12 explorer.exe 2->12         started        15 msiexec.exe 2 2->15         started        process3 dnsIp4 26 C:\Users\user\AppData\Local\...\trmlojpsvavmk, DOS 8->26 dropped 28 C:\Users\user\AppData\Local\...\System.dll, PE32 8->28 dropped 54 Detected unpacking (changes PE section rights) 8->54 56 Maps a DLL or memory area into another process 8->56 58 DLL side loading technique detected 8->58 60 Tries to detect virtualization through RDTSC time measurements 8->60 17 MSI431C.tmp 8->17         started        30 www.whenpigsflyhigh.com 192.185.0.218, 49746, 80 UNIFIEDLAYER-AS-1US United States 12->30 32 aredntech.com 160.153.136.3, 49747, 80 GODADDY-AMSDE United States 12->32 34 2 other IPs or domains 12->34 62 System process connects to network (likely due to code injection or exploit) 12->62 20 svchost.exe 12->20         started        file5 signatures6 process7 signatures8 36 Modifies the context of a thread in another process (thread injection) 17->36 38 Maps a DLL or memory area into another process 17->38 40 Sample uses process hollowing technique 17->40 42 Queues an APC in another process (thread injection) 17->42 44 Tries to detect virtualization through RDTSC time measurements 20->44 22 cmd.exe 1 20->22         started        process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-25 23:55:23 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4vbr4rnpvvkr2kbkm3asp3nnqvgagludfqbaqrfbzel7tz7fvjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
+ 6'041 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook macro rat spyware stealer trojan xlm
Link:
https://tria.ge/reports/210627-d3tsq5vt3x/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
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
NSIS installer
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.craftsman-vail.com/cca/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53

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:Executable_Converted_to_MSI
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Rule name:INDICATOR_MSI_EXE2MSI
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Author:ditekSHen
Description:Detects executables converted to .MSI packages using a free online converter.

File information

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

Web download

Formbook

Microsoft Software Installer (MSI) msi af2a18f22d7d6aa8e9415336093f6d6c2a60197419601042250e48bfcf3f2d53

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168496/

Comments