MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7
SHA3-384 hash: 345f97574bc70d1023cb2c4f25f8ed08ca210b226802ae87cc361b9f710f5c7f7446e70df46d126e6eed8d61c1368b2c
SHA1 hash: 88c718e4dbc2dae2837a249258bc72200db33bb6
MD5 hash: 690fe5e5cf7521b66cab6aa493c6ccc3
humanhash: east-mango-rugby-monkey
File name:ORDER-20200912.doc............exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:388'096 bytes
First seen:2020-10-14 15:21:07 UTC
Last seen:2020-10-14 15:57:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:uwZkPul/DRvmYrzvVn7tJ7qpi07CHLXJEfR+JrjwMIYsu5A:l2uxzr7V7ypi0Cr5+KjP/su5A
Threatray 382 similar samples on MalwareBazaar
TLSH 4684DF0EB34CD286C6BE467AA872EA344B35ED4A7425D34A2EC4DD8F3B7B7545810363
Reporter abuse_ch
Tags:AsyncRAT exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: condor2016.startdedicated.com
Sending IP: 209.126.124.37
From: Richard Smith <info@fcbins.com>
Reply-To: info@fcbins.com
Subject: PO #200912C
Attachment: ORDER-20200912.img (contains "ORDER-20200912.doc............exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44067951.20626.21563.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Connection attempt to an infection source
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/491292
Signature
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298202 Sample: ORDER-20200912.doc............exe Startdate: 14/10/2020 Architecture: WINDOWS Score: 72 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected AsyncRAT 2->32 34 2 other signatures 2->34 6 ORDER-20200912.doc............exe 1 2->6         started        8 ORDER-20200912.doc............exe 2->8         started        10 ORDER-20200912.doc............exe 2->10         started        process3 process4 12 vbc.exe 6->12         started        14 vbc.exe 6->14         started        16 vbc.exe 6->16         started        24 18 other processes 6->24 18 vbc.exe 8->18         started        20 vbc.exe 8->20         started        22 vbc.exe 8->22         started        26 3 other processes 8->26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7/
Threat name:
ByteCode-MSIL.Trojan.Fsysna
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 23:05:20 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6i4x4y2xvnbvdijqzzi75arwyzr3irv4r5aumgejbzcsmnda43dq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
113542e4ae3f953dc690c8dc95e6cfc4cbe2d8354c9d6badf2ea69c03d598f44
AsyncRAT
128077c7c2616b13946e1356a9cf02b6b26433c68a211463eb89dc92cca802b8
AsyncRAT
14e5639c603bb5458e0c761c53e3e11409e4fec0edb1fa99c61070007ef3bd70
AsyncRAT
4cfe4e820c2d2b070d71009beaa98c9f7dce82de24266a344b743c7f47fea142
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a
AsyncRAT
a9880d363ec81176e27377116d1c8a0771ff8309b51debe1f547e27e91bb823a
AsyncRAT
bbae735df39c1301901ca97c6993f2b6fd7233a0360761eab8b65f2556df4517
AsyncRAT
fc23fe967415672cbd925b8f8e1ab099003ba329592b4075fa36c8e53582f5cd
AsyncRAT
fce6bfb928dd92b696a1af343d0b98561c3e594387218630db943106fea38776
AsyncRAT
+ 372 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat persistence family:asyncrat
Link:
https://tria.ge/reports/201014-gz51naneqx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36:49746,2703,49714
Unpacked files
SH256 hash:
46eed8f2fe7592331fc4c2199b6eb2bd96305815465b3bd13270f1740d1ce4cc
MD5 hash:
7be01700f65ff669950c2c41255d9b27
SHA1 hash:
2c98c1e96449f931a9b14d90cb4c6e60d6a99d45
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/9fe8b061-b368-4a48-8dc5-0e3ac39e4c40/
Parent samples :
fce6bfb928dd92b696a1af343d0b98561c3e594387218630db943106fea38776
f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7
SH256 hash:
f922922e0bb7273b4ce3e4843c7a5a450d4270e7c34363146bb8f6c38ac81b0a
MD5 hash:
6757184e39f0160f9270bd58670c77c6
SHA1 hash:
978b7be4e5e0031ad0606fc7ec6d555c5b7ee390
Link:
https://www.unpac.me/results/9fe8b061-b368-4a48-8dc5-0e3ac39e4c40/
SH256 hash:
f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7
MD5 hash:
690fe5e5cf7521b66cab6aa493c6ccc3
SHA1 hash:
88c718e4dbc2dae2837a249258bc72200db33bb6
Link:
https://www.unpac.me/results/9fe8b061-b368-4a48-8dc5-0e3ac39e4c40/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Malspam

AsyncRAT

img 9137b5dd2a01f381b03cce8e340e2e57ff2d34a05cace69d42e00ac088235d96

AsyncRAT

Executable exe f2397e6357ab4351a130ce51fe8236c663b446bc8f414618890e45263460e6c7

(this sample)

  
Dropped by
MD5 dd18c3b4ac2ad5355760eaf40f05ac61
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9137b5dd2a01f381b03cce8e340e2e57ff2d34a05cace69d42e00ac088235d96
Cape
Cape
https://www.capesandbox.com/analysis/70884/

Comments