MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
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SHA256 hash: 0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b
SHA3-384 hash: e2407632558af231839e15951b0a09e8c37afaa6a8cbb99c36abe4db0fe1577077970456617023596b1a1b474d6a06bc
SHA1 hash: 22b1b75cc649075ece3447bf0f23958973148f4e
MD5 hash: 39a08b3ac5b2261f6c5b0e32209b49f7
humanhash: potato-oxygen-wolfram-two
File name:39a08b3ac5b2261f6c5b0e32209b49f7.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:612'678 bytes
First seen:2021-09-14 08:42:27 UTC
Last seen:2021-09-14 10:12:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a79b360c3a87da82cb4458e92a93bd72 (3 x AsyncRAT)
ssdeep 6144:Keq/ctmHAtV6vHr9q/C0XIPHn/RflEq1hM0VKiEg9rKOQb9G:KeHFXIPHZl1HpEqGbE
Threatray 1'327 similar samples on MalwareBazaar
TLSH T196D4812EA5286A4CF35580BCB9718DFF26453C3F40A7B9B3E24CE98B15B53D3646530A
dhash icon f0d4b2d1d8b0d0f0 (20 x BitRAT, 11 x AsyncRAT, 4 x QuasarRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39a08b3ac5b2261f6c5b0e32209b49f7.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 08:53:17 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/bdadefd5-0fe1-408f-823a-d955f9bf8ad3

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/187768/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.19963.12756.28295.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive overlay packed
Link:
https://www.filescan.io/uploads/61750de89a5a1e91c5d20108/reports/9215aed9-939e-47fb-9d0f-27dfa5d703d8/overview
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2824844f-132b-4ae7-af22-54b479e9bbbd
Result
Threat name:
AsyncRAT BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850503
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide a thread from the debugger
Creates autostart registry keys with suspicious names
Creates files in alternative data streams (ADS)
Creates multiple autostart registry keys
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected BitRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 482935 Sample: E7n7T9vSec.exe Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected BitRAT 2->68 70 9 other signatures 2->70 10 E7n7T9vSec.exe 1 2 2->10         started        14 ay.exe 2->14         started        16 ay.exe 2->16         started        process3 file4 54 C:\Users\user\AppData\Roaming\aw\ay.exe, PE32 10->54 dropped 82 Creates autostart registry keys with suspicious names 10->82 84 Creates multiple autostart registry keys 10->84 86 Sample uses process hollowing technique 10->86 18 RegAsm.exe 1 4 10->18         started        88 Writes to foreign memory regions 14->88 90 Allocates memory in foreign processes 14->90 92 Injects a PE file into a foreign processes 14->92 23 RegAsm.exe 2 14->23         started        25 RegAsm.exe 14->25         started        27 RegAsm.exe 14->27         started        94 Multi AV Scanner detection for dropped file 16->94 96 Machine Learning detection for dropped file 16->96 29 RegAsm.exe 3 16->29         started        31 RegAsm.exe 16->31         started        signatures5 process6 dnsIp7 58 185.157.160.147, 1973, 1975, 49732 OBE-EUROPEObenetworkEuropeSE Sweden 18->58 50 C:\Users\user\AppData\Local\Temp\aidfsf.exe, PE32 18->50 dropped 72 Contains functionality to hide a thread from the debugger 18->72 33 cmd.exe 1 18->33         started        file8 signatures9 process10 signatures11 60 Suspicious powershell command line found 33->60 62 Bypasses PowerShell execution policy 33->62 36 powershell.exe 14 33->36         started        38 conhost.exe 33->38         started        process12 process13 40 aidfsf.exe 1 2 36->40         started        file14 52 C:\Users\user\AppData\Roaming\de\dh.exe, PE32 40->52 dropped 74 Multi AV Scanner detection for dropped file 40->74 76 Machine Learning detection for dropped file 40->76 78 Creates multiple autostart registry keys 40->78 80 4 other signatures 40->80 44 RegAsm.exe 1 1 40->44         started        48 RegAsm.exe 40->48         started        signatures15 process16 file17 56 C:\Users\user\AppData\Local:14-09-2021, ASCII 44->56 dropped 98 Creates files in alternative data streams (ADS) 44->98 100 Hides threads from debuggers 44->100 signatures18
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b/
Threat name:
Win32.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 04:11:08 UTC
AV detection:
16 of 43 (37.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bklv3uhnllimlpsyzjxnjqp4agr4vm5ugivutr4ggvgkam25zynq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
2134fd37c725045eda3f016dc0da56c82b9d35a03a5ea4cedc15415c66eb0259
AsyncRAT
28b61c22d9bb96686bb3bb6e758fb1bba123d83720eb1d3588c673ac9040ed86
AsyncRAT
5cc9dfb0172bf01da6b14d43521673e2250cdae8edee6ce5089ebe2838defda2
AsyncRAT
6476d20efbafc2f125919f44a3e70e27e70812f68963c7c3e31f1ce7afe414d0
AsyncRAT
a20939d2791cfeb8dfd3f2e7b6f18e77b57086b2a06d6d735461ade24f9eeced
AsyncRAT
d23cfd87e8aee8e9db354bb276f0eee64da604014eb93ae74d6af9dc31613330
AsyncRAT
e5fcad2ee0a3f7bd63a8154eed6ae60a382e1eafeca26395cdd3a491c815383e
AsyncRAT
+ 1'317 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:6 persistence rat
Link:
https://tria.ge/reports/210914-kmk8esfdc6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.157.160.147:1973
Unpacked files
SH256 hash:
867ca31fd27a84b31d0f3bd2276f4eaec261d93b827fce8d486897ee43757caa
MD5 hash:
89c7c4b7ceb2a7c18d4fac71d5dd805d
SHA1 hash:
20591a99361ec480cc4abc9483f3252d9e43d50c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/3a377561-93fe-4d9e-84f2-9e16b6ab77da/
Parent samples :
fe667229b0d0f7e10a60bae77865d8d311bdd731465d7ddfae610610def853fb
0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b
SH256 hash:
0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b
MD5 hash:
39a08b3ac5b2261f6c5b0e32209b49f7
SHA1 hash:
22b1b75cc649075ece3447bf0f23958973148f4e
Link:
https://www.unpac.me/results/3a377561-93fe-4d9e-84f2-9e16b6ab77da/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0a975dd0ed5a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b

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:MALWARE_Win_BitRAT
Create hunting rule
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 0a975dd0ed5ad0c5be58ca6ed4c1fc01a3cab3b4322b49c786354ca0335dce1b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1605311/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/187768/

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