MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7. 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


FleshStealer


Vendor detections: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7
SHA3-384 hash: 89f124cfbc6ea94ca04f1d26da1d72d172aaa84e5afb56a774ef8d395b14146140c9ce86b864fd823d0a72509e154b22
SHA1 hash: 1a6961da6b1b185151f87fcb6f42c2c01b44e45f
MD5 hash: bff6b0bc7d7332d2b3c04469349780a3
humanhash: zebra-sweet-happy-moon
File name:file
Download: download sample
Signature FleshStealer
Create hunting rule
File size:140'800 bytes
First seen:2024-11-06 20:31:09 UTC
Last seen:2024-11-06 22:19:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:X6NUTcrz71fEMe8vMDYCJLumIdbZiOUpnogoSjzJiys:X6u0z71AgcZumIdbAGZS5iy
TLSH T1E7D3095C3AAA8814E0BFCF70A8C575F589B991137545FA5A1CE792864E10BC4EE03CFE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe FleshStealer


Avatar
Bitsight
url: http://31.41.244.11/files/3e3ev3.exe

Intelligence

File Origin
# of uploads :
27
# of downloads :
465
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2024-11-06 20:31:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a63ce798-4e85-42c1-bc6e-cc375500874e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.FleshNET.1.10287.1252.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672bd2488d23d90491347c2c
Tags:
micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Running batch commands
Creating a window
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Stealing user critical data
Forced shutdown of a browser
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
crypto
Link:
https://www.filescan.io/uploads/672bd24e2a9506a8240b6e04/reports/02e7abb6-65c8-45bf-a6c0-8e8417a87ddc/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7
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/f5f3a8d9-a6c3-4c75-a456-613cbb8aeea6
Result
Threat name:
Flesh Stealer
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550582
Signature
Antivirus / Scanner detection for submitted sample
Creates HTML files with .exe extension (expired dropper behavior)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Yara detected Flesh Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550582 Sample: file.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 26 www.google.com 2->26 28 icanhazip.com 2->28 30 2 other IPs or domains 2->30 38 Antivirus / Scanner detection for submitted sample 2->38 40 Sigma detected: Capture Wi-Fi password 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 2 other signatures 2->44 8 file.exe 14 5 2->8         started        signatures3 process4 dnsIp5 32 89.23.100.233, 49763, 8401 MAXITEL-ASRU Russian Federation 8->32 34 google.com 142.251.40.206, 443, 49760 GOOGLEUS United States 8->34 36 2 other IPs or domains 8->36 24 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->24 dropped 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->46 48 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 8->48 50 Creates HTML files with .exe extension (expired dropper behavior) 8->50 52 5 other signatures 8->52 13 cmd.exe 1 8->13         started        file6 signatures7 process8 signatures9 54 Uses netsh to modify the Windows network and firewall settings 13->54 56 Tries to harvest and steal WLAN passwords 13->56 16 netsh.exe 2 13->16         started        18 conhost.exe 13->18         started        20 findstr.exe 1 13->20         started        22 chcp.com 1 13->22         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7/
Threat name:
ByteCode-MSIL.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-06 20:32:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cnv5cxkp6r64ztmxrt36yromsomxnn6g6g7e5rsg6plyi7v2k3tq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/241106-za9gtaxdjg/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Checks computer location settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ad474e5f-31c6-4b96-a071-af3f16c09179
Unpacked files
SH256 hash:
136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7
MD5 hash:
bff6b0bc7d7332d2b3c04469349780a3
SHA1 hash:
1a6961da6b1b185151f87fcb6f42c2c01b44e45f
Link:
https://www.unpac.me/results/47afed06-4a2d-475b-8780-b4170affc3d1/
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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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

FleshStealer

Executable exe 136bd15d4ff47dcccd978cf7ec45cc939976b7c6f1be4ec646f3d7847eba56e7

(this sample)

  
Dropped by
Amadey
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3279264/
  
URLhaus
https://urlhaus.abuse.ch/url/3279353/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments