MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d
SHA3-384 hash: 83bf8fc62c468e436069c4cb4aa8d680a10ba0285fc7c5d71bd545fd82b94a42964d7c3b41033766d50c5f793b0fcf2a
SHA1 hash: 3311ea26f0cdbab70b18ec477c53dd072c54f218
MD5 hash: dc8c2e75b189d9f295af68672afaa677
humanhash: mirror-fanta-floor-south
File name:dc8c2e75b189d9f295af68672afaa677.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:474'624 bytes
First seen:2021-02-18 15:32:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:XPfqh9yWI+tpyVG5J7Sjnmyx1wET5+odK7esXqdGb/0FLkyO3h46exf9ekrUKbQt:XPfC9EuaG431ilH6dGbcFwyq46DkNk
Threatray 684 similar samples on MalwareBazaar
TLSH 48A4E03972B46D67CFF8D1F6E10481693B69C257209FF7E58E8EA1D9B1C3B408462923
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://taurus.ug/ac.exe
Verdict:
Malicious activity
Analysis date:
2021-02-18 11:15:18 UTC
Tags:
loader asyncrat rat trojan
Link:
https://app.any.run/tasks/d15e3631-59e2-4605-8385-0e365162aa71

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117811/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/611748
Signature
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-18 12:57:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6ns6o5ikrxtpznjsrgdnwxl2eheztd7wsz6svr6qvzc64qugj6q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0f6ab91e876a548f6434c6be14fa607768a597430b226d586cf428da94ab931c
AsyncRAT
3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef
AsyncRAT
49cd5a74bbebb0bb147f1bfb1e0ec7e42de79cd137eff2b62386cb3ac5229dab
AsyncRAT
54747f101ba51f7364f85105375eb872927e2ec2414fd6fa32dc4797b4eb6e8e
AsyncRAT
6f757db2feb9c5e3817c192c661d7cc2d23ab24a9ae8608aedc3561a3b32012c
AsyncRAT
73ffaa868244eb4bcee7027ce57d30e604dda4dcda00fcfcbfb43103909ea52b
AsyncRAT
867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
AsyncRAT
d14649ed26723ca7525ddadcf587794a3906ba9ebb090c83499f269ba2fd6ab8
AsyncRAT
dffdd312b2c69b06bd6e365479ab9887169c89f249b29d7b7f64327cb1ea371d
AsyncRAT
e452ae28b674ac4715a811e24d502948e94489ccb1ed14ca49d3ed8ab395f85c
AsyncRAT
+ 674 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210218-q1pylbmkwn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
icando.ug:6970
icacxndo.ac.ug:6970
Unpacked files
SH256 hash:
3940469f3c5bba9efdba4d2f59b129ca8f153ba08cbcf687223c36a7760b60fb
MD5 hash:
089e8d291bd0a40413b6c81ba5884587
SHA1 hash:
a9e1006daef25f262d6b53e315b3df5e2786ccfe
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/79c6dcb7-56cf-4236-a328-12680c445372/
Parent samples :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 hash:
f0a09c48af16c079c37ad0914f18897976357981fe5ee6f556ab9f9f70b9a671
MD5 hash:
f984a71581f6da5732110be2a569a392
SHA1 hash:
10de05b6b35fc5dbc00c42d59a4b850bcaae01e6
Link:
https://www.unpac.me/results/79c6dcb7-56cf-4236-a328-12680c445372/
SH256 hash:
4abc5261c2197130599489c825fc7330720195566363533ea5a94c27c4fa032c
MD5 hash:
f2bb99034a486f46a6e69030706095b6
SHA1 hash:
0b215f6ce98169e2bb74726c56d31bca5a1228f0
Link:
https://www.unpac.me/results/79c6dcb7-56cf-4236-a328-12680c445372/
SH256 hash:
a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d
MD5 hash:
dc8c2e75b189d9f295af68672afaa677
SHA1 hash:
3311ea26f0cdbab70b18ec477c53dd072c54f218
Link:
https://www.unpac.me/results/79c6dcb7-56cf-4236-a328-12680c445372/
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/a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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 a79b2f3ba8546f37e5a9944c36daebd10e4ccc7fb4b3e9563e85722f7214327d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/998436/
Cape
Cape
https://www.capesandbox.com/analysis/117811/

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