MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925
SHA3-384 hash: effe4ccadfa72e6b22f69fc2522da5909b3ccb081869db98f237ed304f73d966c95dc56c5fee95183d01d2187413fa5c
SHA1 hash: c324a8ef201f5c17645ddbde9fb88bae3ece1370
MD5 hash: 3a2dd995c38097a52d377e3931901dd4
humanhash: carpet-magazine-ten-mexico
File name:tmpE035.tmppolnpiwpputbbs.bin
Download: download sample
Signature Formbook
Create hunting rule
File size:558'080 bytes
First seen:2022-07-16 11:36:57 UTC
Last seen:2022-07-16 12:40:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:OBo4r99+z7GOpBGJoZp0JI0sP/Ox6OGNFd4k82WPXl0cTR2OH5N1qDTBRtUghFxn:OezCOpQrJTltj1qDT5vGI
TLSH T1CDC4FA382301B948DE953DB8506756E578EF9CC0A602CD33E7A0A5C7CDF583B58A987E
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon edcdb2b6a2a6a2ab (1 x XFilesStealer, 1 x Formbook)
Reporter KdssSupport
Tags:exe FormBook


Avatar
KdssSupport
Uploaded with API

Intelligence

File Origin
# of uploads :
2
# of downloads :
390
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
S500RAT.exe
Verdict:
Malicious activity
Analysis date:
2022-07-16 07:36:42 UTC
Tags:
evasion trojan
Link:
https://app.any.run/tasks/6db8ae7f-e7b5-4c19-887e-ab52f892883a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/291199/
Detection(s):
ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Gathering data
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/b2f8f333-abb3-49ae-82fa-3cfe02c9cb54
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1033678
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925/
Threat name:
ByteCode-MSIL.Trojan.Vimditator
Create hunting rule
Status:
Malicious
First seen:
2022-07-16 11:37:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rr2rwgbmra3uxtzzjwis4j5t56cv5jnigtfwdetszdphxpextesq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/220716-nq6kbaccgp/
Behaviour
Suspicious use of AdjustPrivilegeToken
Program crash
Looks up external IP address via web service
Unpacked files
SH256 hash:
8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925
MD5 hash:
3a2dd995c38097a52d377e3931901dd4
SHA1 hash:
c324a8ef201f5c17645ddbde9fb88bae3ece1370
Link:
https://www.unpac.me/results/20d859c1-9886-441a-8726-ce1ee3f31842/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925

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_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 8c751b182c88374bcf394d912e27b3ef855ea5a834cb619272c8de7bbc979925

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/291199/

Comments