MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb. 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


AsyncRAT


Vendor detections: 15


Intelligence 15 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb
SHA3-384 hash: cf1e41e9518d07798dd70d057ae1aadfb6a8799a6eaec9ff1d16e2f8bd97728d2667bd641c4d972344dccf56874bfd27
SHA1 hash: be4a9044edf8b6ae5513939b50741b341dafdfb6
MD5 hash: 0f8f212886d790690701ef6d2f7ba8b8
humanhash: six-single-leopard-delta
File name:0f8f212886d790690701ef6d2f7ba8b8.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'001'408 bytes
First seen:2024-09-23 07:15:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 24576:aYwjvuWIuWIuWJ1YuWIuWIuWdeF5Vo13cwPVUJc8/KrjZeGBItBv+XUAhjmt40SN:aYwjdgeF5S1Pmx4jQGirdIjkVUfE6
TLSH T1CA95E0516E898AF1F4FD01BAB6E754724BBEE6C788F4812A38C5695C10F3BD222057D3
TrID 71.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon f8969633322ed6e0 (3 x njrat, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
34.145.18.233:6606

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
34.145.18.233:6606 https://threatfox.abuse.ch/ioc/1328261/

Intelligence

File Origin
# of uploads :
1
# of downloads :
487
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
0f8f212886d790690701ef6d2f7ba8b8.exe
Verdict:
Malicious activity
Analysis date:
2024-09-23 07:32:33 UTC
Tags:
asyncrat wmi-base64
Link:
https://app.any.run/tasks/aed82355-35f3-4840-973e-dd63dcd7b4d0

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

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f115b45346c7b922ad2c0b
Tags:
Execution Network Static Stealth Trojan Malware Autorun Monitor Expl
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
codewall obfuscated packed packed vbnet
Link:
https://www.filescan.io/uploads/66f115b4bb9fe02b41b588d7/reports/307b8975-7559-4aad-bbf5-7e27367ec3c0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb
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/56716550-684b-464c-bf1a-e77eb14f1dc6
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1515658
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schtasks Creation Or Modification With SYSTEM Privileges
Sigma detected: Suspicious Program Location with Network Connections
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1515658 Sample: Eql7G7govv.exe Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 59 seznam.hopto.org 2->59 67 Multi AV Scanner detection for domain / URL 2->67 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 15 other signatures 2->73 10 steama.exe 12 2->10         started        14 Eql7G7govv.exe 7 2->14         started        signatures3 process4 file5 53 C:\Windows\SysWOW64\config\...\steama.exe, PE32 10->53 dropped 81 Antivirus detection for dropped file 10->81 83 Multi AV Scanner detection for dropped file 10->83 85 Machine Learning detection for dropped file 10->85 16 cmd.exe 1 10->16         started        19 cmd.exe 1 10->19         started        55 C:\Users\user\AppData\Roaming\steama.exe, PE32 14->55 dropped 57 C:\Users\user\AppData\...ql7G7govv.exe.log, ASCII 14->57 dropped 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->87 21 cmd.exe 1 14->21         started        23 cmd.exe 1 14->23         started        signatures6 process7 signatures8 63 Drops executables to the windows directory (C:\Windows) and starts them 16->63 25 steama.exe 16->25         started        43 2 other processes 16->43 29 conhost.exe 19->29         started        31 schtasks.exe 19->31         started        65 Uses schtasks.exe or at.exe to add and modify task schedules 21->65 33 conhost.exe 21->33         started        35 schtasks.exe 1 21->35         started        37 steama.exe 23->37         started        39 conhost.exe 23->39         started        41 timeout.exe 1 23->41         started        process9 dnsIp10 61 seznam.hopto.org 34.145.18.233, 60530, 8808 ATGS-MMD-ASUS United States 25->61 75 Antivirus detection for dropped file 25->75 77 Multi AV Scanner detection for dropped file 25->77 79 Machine Learning detection for dropped file 25->79 45 cmd.exe 25->45         started        47 WerFault.exe 21 16 37->47         started        signatures11 process12 process13 49 conhost.exe 45->49         started        51 schtasks.exe 45->51         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb/
Threat name:
Win32.Backdoor.Asyncrat
Create hunting rule
Status:
Malicious
First seen:
2024-09-21 09:10:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bcz7z7d7vzvmrnjq2psruz662znr4vu72xlwjext5ltoltmpuhfq._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/240923-h3slbsyhjr/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
ronymahmoud.casacam.net:6606
ronymahmoud.casacam.net:7707
ronymahmoud.casacam.net:8808
seznam.hopto.org:6606
seznam.hopto.org:7707
seznam.hopto.org:8808
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/709a14e9-73a0-49ee-814e-d023f12ad86f
Unpacked files
SH256 hash:
08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb
MD5 hash:
0f8f212886d790690701ef6d2f7ba8b8
SHA1 hash:
be4a9044edf8b6ae5513939b50741b341dafdfb6
Link:
https://www.unpac.me/results/bd04c73e-1d9f-46eb-9e6b-d60e3f20dd17/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/08b3fcfc7fae6ac8b530d3e51a67ded65b1e569fd5d76492f3eae6e5cd8fa1cb

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_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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: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.

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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