MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3af875c94ed804c15cb508884edad66cc1d7784fbf2f42cfd450deac4e52577. 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: 11


Intelligence 11 IOCs 1 YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3af875c94ed804c15cb508884edad66cc1d7784fbf2f42cfd450deac4e52577
SHA3-384 hash: 726fa96e8f8b8adf54e167db67e986f8cc3c4048c952ce4c146dfcd2cc31f1b2d9ad1c0b9bedec5c702e82b69254a6a2
SHA1 hash: dd19eebda3867a174b104ee2d26e0c6a40337253
MD5 hash: 561e66ab89bb2e930bb743130d676115
humanhash: illinois-one-whiskey-connecticut
File name:CopyexportdocumentsMay03052021ScaannedCopies7.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:186'368 bytes
First seen:2021-05-03 05:20:37 UTC
Last seen:2021-05-03 06:04:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:2rCGcGoHu6hyk+LloF6bQhknt4qrHrl47xedTHmopAU0ws4FMbUpM:2odyLloFUQhat/rHrlmQ1bppMzQp
Threatray 769 similar samples on MalwareBazaar
TLSH 560449F069D5F48FD3EB697ACC21150F27D029CC11FCBACA78E89469B4E772868186C5
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.197.30.108:5687

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.197.30.108:5687 https://threatfox.abuse.ch/ioc/28111/

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/148136/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Sending a UDP request
Creating a window
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/870f8259-7fe8-45d4-837f-ab0fdc14bc34
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/707035
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 402438 Sample: CopyexportdocumentsMay03052... Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 9 CopyexportdocumentsMay03052021ScaannedCopies7.exe 3 2->9         started        11 CopyexportdocumentsMay03052021ScaannedCopies7.exe 3 2->11         started        process3 file4 15 cmd.exe 1 9->15         started        35 Copyexportdocument...nnedCopies7.exe.log, ASCII 11->35 dropped 49 Injects a PE file into a foreign processes 11->49 18 CopyexportdocumentsMay03052021ScaannedCopies7.exe 1 2 11->18         started        signatures5 process6 dnsIp7 53 Suspicious powershell command line found 15->53 21 powershell.exe 18 15->21         started        23 wscript.exe 15->23         started        26 conhost.exe 15->26         started        28 timeout.exe 1 15->28         started        37 asyynet.duckdns.org 185.197.30.108, 49730, 49744, 5687 HOSTHATCHUS Germany 18->37 signatures8 process9 signatures10 30 CopyexportdocumentsMay03052021ScaannedCopies7.exe 21->30         started        47 Drops PE files to the startup folder 23->47 process11 signatures12 51 Injects a PE file into a foreign processes 30->51 33 CopyexportdocumentsMay03052021ScaannedCopies7.exe 30->33         started        process13
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3af875c94ed804c15cb508884edad66cc1d7784fbf2f42cfd450deac4e52577/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uoxyoxeu5waeyfolkceij3nnm3gb254e7pzpilh5iug6vrhfev3q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1c3d30d7637b1a6fb648b1cf1de6c7a8375337327cd243f87d525c109554db7d
AsyncRAT
2719edd4501aae5818bb22c68a542d8a872fde8088175796674d3512445a4556
AsyncRAT
292f5a19fadef7188670b8bc2e69bcd9d1f54c7e23928427392dc135dcdc8a0d
AsyncRAT
3cf89441ca63fa9ea13557f66bb4ce7af4f5c7006e1b5574be78499624048404
AsyncRAT
6fa08611480dab2f2adf82fa81e9b40bedb5a8d82903029da4029250ff8bbf65
AsyncRAT
a16602864c33b68b083a8a404c6500b44bf3247c474071cb7dd4216a39e5347e
AsyncRAT
ac8fcffe7966af957a58b52c744c026eff7acc393ffbc57d0fe9e8c2d901f68e
AsyncRAT
c73c50acb6e2081a736fcc05f6d4b330ed4ddb1b0be58a30aef1590dd921e7a9
AsyncRAT
e45c663a64882bcbb2314a2cf6bd2da6db9b1697df4a9c96c24f4dd834e7b662
AsyncRAT
ebb67fcc05af7a919e225a7a1f8c5bfbd65b28c22f4659527b0afb4f968ccd49
AsyncRAT
+ 759 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210503-nlyee9rbm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
asyynet.duckdns.org:5687
Unpacked files
SH256 hash:
1d215a906c79f9282a4e576c00e0e6f68a27a1feda4507c3f40f890fa76847d8
MD5 hash:
b9976f63cd33fa7590e06c6e02da9489
SHA1 hash:
31c43ec5032186f5f6966af0b48a0d41145226a2
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/504f8666-3a50-4a90-8021-b834ee2f71bc/
SH256 hash:
3cb192e0791d30396c67d7411e2b4c48ec340bffa3bad96d7c94553641de7160
MD5 hash:
6f1846000f93857895e2e84717199c5b
SHA1 hash:
2901962cf3c01179fc28a8ae6886ad47691e9c85
Link:
https://www.unpac.me/results/504f8666-3a50-4a90-8021-b834ee2f71bc/
SH256 hash:
a3af875c94ed804c15cb508884edad66cc1d7784fbf2f42cfd450deac4e52577
MD5 hash:
561e66ab89bb2e930bb743130d676115
SHA1 hash:
dd19eebda3867a174b104ee2d26e0c6a40337253
Link:
https://www.unpac.me/results/504f8666-3a50-4a90-8021-b834ee2f71bc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a3af875c94ed804c15cb508884edad66cc1d7784fbf2f42cfd450deac4e52577

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/148136/

Comments