MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342. 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: a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342
SHA3-384 hash: b301b513263b4aa754d9bffd7eb3cc382d63daf34912725431bbba1e76782196ef4d3b46629914e48210c3dc5ba38d56
SHA1 hash: ccda163555d18d72a510bb697d5e6306a7113aef
MD5 hash: 7681f2120d5832d057404bcd5cdd4c50
humanhash: queen-foxtrot-sodium-lion
File name:KuFhWRQ6.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'080 bytes
First seen:2020-10-12 00:47:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 768:gu/dRTUo0HQbWUnTjSmo2qM7KjGKG6PIyzjbFgX3igOn339vvBDZKx:gu/dRTUP/2/KYDy3bCXSgg5ZdKx
Threatray 349 similar samples on MalwareBazaar
TLSH 72231A003BE8C22BF2BE4F7899F26145867AF2632603D54D1CC451DB5613FC69A426FE
Reporter pmelson
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/487808
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 00:49:05 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=umduigkilw2o4ccfdl7cneyyjke4amnten7auunxmj7lgpw5ynba._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0c34d4763fc968ccbe9f33dec2ae9e3e132a61b40ffc93cc22f337a0758c0279
AsyncRAT
222cdcb38abb9e24d7e198943ded854951b855b0aa02b396959cfe2a51a4a078
AsyncRAT
430bbefe89bad382de0a7831e7afc238f397a930a235d208585fb2bfb0b950bc
AsyncRAT
483c603c9fb09c2e908d782f7e6f3f04e6e26b7eaaf8ac637733a4e4a32c80e7
AsyncRAT
61198dcb525d78061585053ddc30e99ca70842899622e333eb64d3b68ee7a167
AsyncRAT
7caf87ac1666f10cbbff4cc01d51ec4df556908b2d8d55d5c4f0f3724dceded1
AsyncRAT
bcb474ac919440674135c673d8c6a0fc8015a63a15b2849c3346f74a716b5249
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d82330b1d9bfbebbff4d21e9ddd0f86e90ed27031ba29557587d182246301ee5
AsyncRAT
f0006754d451556014c91039915ea9505f348f80538e536d30b75c5ef252d73d
AsyncRAT
+ 339 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat family:asyncrat
Link:
https://tria.ge/reports/201012-lgy6b15bqj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
pyeonno.kro.kr:5050
Unpacked files
SH256 hash:
a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342
MD5 hash:
7681f2120d5832d057404bcd5cdd4c50
SHA1 hash:
ccda163555d18d72a510bb697d5e6306a7113aef
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/be384b3a-184a-4d5a-bcaf-69da019c9440/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342

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.

Web download

AsyncRAT

Executable exe a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342

(this sample)

  
Link
https://www.virustotal.com/gui/file/a3074419485db4ee08451afe2693184a89c031b3237e0a51b7627eb33eddc342/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/69872/

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