MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94381856ea9a44b74ec21f962c82602639c5ac6c19e4e3c2082a1d2682303e84. 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 1 File information Comments

SHA256 hash: 94381856ea9a44b74ec21f962c82602639c5ac6c19e4e3c2082a1d2682303e84
SHA3-384 hash: 36d35836ed59293badbda0bfdd1704ab4fb1e88056a60eae4e3ebd431c4825932b7c2886f33b5088d8e0c91914da1526
SHA1 hash: cf7c6fcb75291827df0481aefc3bfd1cad0ad3da
MD5 hash: 3fff16b7e54c846608b70094976268e5
humanhash: idaho-victor-timing-bakerloo
File name:Scan 392021 pdf.exe
Download: download sample
Signature Formbook
File size:924'160 bytes
First seen:2021-03-09 16:31:56 UTC
Last seen:2021-03-09 18:49:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:GLxFx0fQ10WWd5FV/YFOTEEUgSy8Nf2aPDv/eajSSopaAEY5B:EJ0PzNTEy8Nrv/eKKaA/
Threatray 4'108 similar samples on MalwareBazaar
TLSH 0C15AE02FE8B5486D077CA78CA324B6B9219BD2744709C29383EBD187577AD1EA5DFC0
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan 392021 pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-09 17:03:41 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
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)
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 365577 Sample: Scan 392021 pdf.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 31 www.throunited.com 2->31 33 throunited.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Detected unpacking (changes PE section rights) 2->45 47 10 other signatures 2->47 11 Scan 392021 pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Scan 392021 pdf.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Scan 392021 pdf.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.aenorex.com 66.96.160.141, 49716, 80 BIZLAND-SDUS United States 18->35 37 neutronconstructionfinance.com 107.180.51.77, 49729, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->37 39 www.neutronconstructionfinance.com 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Gathering data
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-09 16:31:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.neutronconstructionfinance.com/xss/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
94381856ea9a44b74ec21f962c82602639c5ac6c19e4e3c2082a1d2682303e84
MD5 hash:
3fff16b7e54c846608b70094976268e5
SHA1 hash:
cf7c6fcb75291827df0481aefc3bfd1cad0ad3da
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

  
Delivery method
Other

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