MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab
SHA3-384 hash: 020e868e3e279550ed34f42fa8af70335b312e06f546d67f0f9613fe6dcdde41fc12cdfa37ad83919bec2559f55093f2
SHA1 hash: 9de1131b2e5bcd1768f3acc6fdc9977d6fe9bf9c
MD5 hash: 8a3cf298d8cfefcd99789ceb7e1c202e
humanhash: white-tango-tango-avocado
File name:8a3cf298d8cfefcd99789ceb7e1c202e.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:600'064 bytes
First seen:2021-10-14 11:35:06 UTC
Last seen:2021-10-14 13:06:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tqRzU2t1PG4VOdTrvcwAcp5Jfb/KPFCflwZfEF3:AdfTC7AKJjvwm
Threatray 114 similar samples on MalwareBazaar
TLSH T1F5D4DF7D96A206ABF18821F94E516C6CE080BE7426DD90BB30FE796F4F1B794CC49E11
File icon (PE):PE icon
dhash icon e0e4a6a5a5a6e4e0 (3 x AsyncRAT, 1 x a310Logger, 1 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8a3cf298d8cfefcd99789ceb7e1c202e.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-14 21:13:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66aed6fe-143f-463a-8633-b64e11be45a5

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/197535/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Androm.1.27417.26574.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat obfuscated packed
Link:
https://www.filescan.io/uploads/61681623fd35fe780c3fe081/reports/d5ca0050-ad4c-4536-8262-230cb995cc7d/overview
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5bfd04f0-5767-4e78-9de9-f1d83b3a5559
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/870425
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 502849 Sample: 3RMrCj8dB1.exe Startdate: 14/10/2021 Architecture: WINDOWS Score: 84 39 icacxndo.ac.ug 2->39 47 Yara detected AsyncRAT 2->47 49 Machine Learning detection for sample 2->49 51 Sigma detected: WScript or CScript Dropper 2->51 53 2 other signatures 2->53 9 3RMrCj8dB1.exe 4 6 2->9         started        13 sacda.exe 1 2->13         started        15 sacda.exe 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\sacda.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 9->33 dropped 35 C:\Users\user\...\sacda.exe:Zone.Identifier, ASCII 9->35 dropped 37 2 other malicious files 9->37 dropped 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 17 wscript.exe 1 9->17         started        20 RegAsm.exe 2 9->20         started        61 Machine Learning detection for dropped file 13->61 23 RegAsm.exe 13->23         started        25 RegAsm.exe 15->25         started        signatures6 process7 dnsIp8 45 Wscript starts Powershell (via cmd or directly) 17->45 27 powershell.exe 26 17->27         started        41 icacxndo.ac.ug 194.5.98.107, 49763, 49766, 49773 DANILENKODE Netherlands 20->41 43 icando.ug 20->43 signatures9 process10 process11 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-10-14 11:36:07 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p5xilcj2vvdtsloqn2n36kfi52csso6l5qjeao5obhi6d47he6vq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
4531d8af87a523a1664264ed8417741d154cdeeebd2c1b77419f18e530722c77
AsyncRAT
60333b9138bb30f9a4d5d48a699ad137fe46646b276b55e1dbec71f8cf1b1d2c
AsyncRAT
79b2feea1d26ddca465aaa01a7dbb7dd35aa2f111e09766a2eca88b35df1c747
AsyncRAT
8b480ff5797c4d2a4a4c9eeb9207ce3fa89a1d063a72c90faa341e012faf9fd5
AsyncRAT
d60c9957cdbed60b3f054a942fe9878d23283f6662d16888695adc5e7b3e951e
AsyncRAT
fb416672e7ef0f01a189765395e9c87a44de01f41f4df96c871a267fea65cb87
AsyncRAT
+ 104 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/211014-np33ssghhj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
584265577bb52ccf2be36188c9c89a3895c87005900bdbdf8761251049ee69dd
MD5 hash:
c0f51d902cca7ecdf40c65bac312b7a7
SHA1 hash:
7cb587bc989334dd0e4fad8f2e414859bb1d5e2c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/e9021085-c76f-4b9d-bfdf-ca8aac4e719a/
SH256 hash:
397be89b521a1cc6501a5f3f116b4ae29bd2f215aa63bbd8fe259c18d65f8f86
MD5 hash:
e85fb017e8581c0bae8b3ba261231bf5
SHA1 hash:
27b1e155b59f60b9375d641046916933a696df7b
Link:
https://www.unpac.me/results/e9021085-c76f-4b9d-bfdf-ca8aac4e719a/
SH256 hash:
7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab
MD5 hash:
8a3cf298d8cfefcd99789ceb7e1c202e
SHA1 hash:
9de1131b2e5bcd1768f3acc6fdc9977d6fe9bf9c
Link:
https://www.unpac.me/results/e9021085-c76f-4b9d-bfdf-ca8aac4e719a/
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/7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab

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_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 7f6e85893aad47392dd06e9bbf28a8ee85293bcbec12403bae09d1e1f3e727ab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/197535/

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