MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09701e400738ea4648b73d89b8ba0a3921c52a666e164d85fa79d52e882007e0. 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 2 File information Comments

SHA256 hash: 09701e400738ea4648b73d89b8ba0a3921c52a666e164d85fa79d52e882007e0
SHA3-384 hash: a7376765521363a8c43017034073e3b6f49f46aa8b9f4f3848cf50859f4f33f288b0a7524fe8887ccd8534287511cb4a
SHA1 hash: 0191e87a31fc83334523358e786533768d052a88
MD5 hash: abfc3269a2c8c9c074df1253c431f3ea
humanhash: purple-lion-blue-earth
File name:PO copy.pdf.exe
Download: download sample
Signature Formbook
File size:725'504 bytes
First seen:2022-02-17 17:53:29 UTC
Last seen:2022-02-17 20:07:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:RzVbP7/iCQd2P0zOY7DAqsftfUCfIUQbqpthN+gALWZAeGRnEA:bbP7/iCQd2KZHAfQjA1A6ZAeGRnR
Threatray 13'545 similar samples on MalwareBazaar
TLSH T1D9F4012033BE0307F97A93F903A195082BF660BE7065E75A5EC539CE6A767204D95F0B
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 574261 Sample: PO copy.pdf.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 11 other signatures 2->42 10 PO copy.pdf.exe 15 3 2->10         started        process3 dnsIp4 34 artemdukshiola.com 194.116.216.120, 49749, 80 VMAGE-ASRU unknown 10->34 30 C:\Users\user\AppData\...\PO copy.pdf.exe.log, ASCII 10->30 dropped 14 RegAsm.exe 10->14         started        17 RegAsm.exe 10->17         started        file5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected 60 Tries to detect virtualization through RDTSC time measurements 17->60 process8 dnsIp9 32 www.sxlbillingsettlement.com 199.59.240.10, 49820, 80 ARYAKA-ARINUS United States 19->32 44 System process connects to network (likely due to code injection or exploit) 19->44 23 WWAHost.exe 19->23         started        signatures10 process11 signatures12 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       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-17 15:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 42 (54.76%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fi46 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Downloads MZ/PE file
Formbook Payload
Formbook
Unpacked files
SH256 hash:
d3e2bc03abf5e9e55dd7b3155529687a66f135626c17109bb9fd57c0ac8d3546
MD5 hash:
25bbea1689845698ed2de27573d34c26
SHA1 hash:
6f185c1ce7a477f0d7c77480cd7c4788d5880cd8
SH256 hash:
09701e400738ea4648b73d89b8ba0a3921c52a666e164d85fa79d52e882007e0
MD5 hash:
abfc3269a2c8c9c074df1253c431f3ea
SHA1 hash:
0191e87a31fc83334523358e786533768d052a88
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 09701e400738ea4648b73d89b8ba0a3921c52a666e164d85fa79d52e882007e0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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