MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fc088801ab2f099697d8bb5896a38bf42ef31b1da484d4383ecfc85fde1136e. 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: 14


Intelligence 14 IOCs 1 YARA 6 File information Comments

SHA256 hash: 3fc088801ab2f099697d8bb5896a38bf42ef31b1da484d4383ecfc85fde1136e
SHA3-384 hash: d319b04dfbadb45e398f23209d0540279881af761fd9e15efaeceee92b773e602ddf337d7f3245648ef99e0a43e5bfe0
SHA1 hash: 92f9318804fbd9b64f0661e6bcf199e0f6bc7c3d
MD5 hash: e4a75f19495f969d2176b847e0126be2
humanhash: early-foxtrot-pluto-lemon
File name:Puchase Order No.Vnlo098.exe
Download: download sample
Signature AsyncRAT
File size:553'780 bytes
First seen:2021-11-02 14:02:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 12288:wbrhm4UZMFrF9noRXuVZrspx2bxPRKJnCvFf:ErnUWFrFi68x2tPRKpCJ
Threatray 1'621 similar samples on MalwareBazaar
TLSH T1E4C4AE013189ACDAE4536DB24CAFD5306165AEAD5139C60E3293BF2B55F335230AFB4E
File icon (PE):PE icon
dhash icon 92b2aca6a6ba8e8e (6 x Formbook, 4 x AgentTesla, 4 x SnakeKeylogger)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
136.144.41.24:3091 https://threatfox.abuse.ch/ioc/241464/

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Puchase Order No.Vnlo098.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 14:16:44 UTC
Tags:
trojan rat asyncrat

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

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
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:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Zapchast
Status:
Malicious
First seen:
2021-11-02 14:03:04 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
136.144.41.24:3091
Unpacked files
SH256 hash:
087c477ec45669d29f8f9786f73efb81e1c71505f6439c89c0e5677884aae52b
MD5 hash:
bd57fa70160a17344e611f1cea5d2af2
SHA1 hash:
f972869a79f23545868944a306465beacc38f732
SH256 hash:
3fc088801ab2f099697d8bb5896a38bf42ef31b1da484d4383ecfc85fde1136e
MD5 hash:
e4a75f19495f969d2176b847e0126be2
SHA1 hash:
92f9318804fbd9b64f0661e6bcf199e0f6bc7c3d
Malware family:
AsyncRAT
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Comments