MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2. 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 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2
SHA3-384 hash: e7b30cdd56ab0316b320debf62f7fbdb6b14d367981ff50f5a8bb2f7156fdf8250b0fff4c50afd74321376a318f57916
SHA1 hash: 19b6f346adfc984fe95ab530ec83bf0b3363e4b9
MD5 hash: 46eeafdc0803ee8e7d5d8dd5b29978a3
humanhash: fix-ack-potato-salami
File name:6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:621'056 bytes
First seen:2021-09-29 07:50:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:GNXzbNLBZ9IlIiq/UIfAwUFlZ2/4kHhrZIjjz++2XyjkPJNo5CS9Ew9bNg+Ldf/a:4bNZAo/9mzocEw9bN1N/5UkM
Threatray 1'896 similar samples on MalwareBazaar
TLSH T128D4BA1C378D5BFAEFDDA8B18D0E36066B220E179250A992678B39C7DF7F3951D04884
File icon (PE):PE icon
dhash icon b27079b17939b0a0 (1 x AsyncRAT)
Reporter JAMESWT_WT
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/192986/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Forced shutdown of a system process
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e39516b7-9a7d-48d3-8204-a847852535f3
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/860816
Signature
.NET source code contains potential unpacker
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493308 Sample: IznT1D3bT1 Startdate: 29/09/2021 Architecture: WINDOWS Score: 84 64 rio.casacam.net 2->64 68 Found malware configuration 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected AsyncRAT 2->72 74 6 other signatures 2->74 9 IznT1D3bT1.exe 5 2->9         started        13 appaa.exe 4 2->13         started        15 appaa.exe 3 2->15         started        signatures3 process4 file5 60 C:\Users\user\AppData\...\IznT1D3bT1.exe.log, ASCII 9->60 dropped 78 Writes to foreign memory regions 9->78 80 Injects a PE file into a foreign processes 9->80 17 cmd.exe 3 9->17         started        20 cmd.exe 1 9->20         started        23 RegAsm.exe 2 9->23         started        62 C:\Users\user\AppData\Local\...\appaa.exe.log, ASCII 13->62 dropped 82 Multi AV Scanner detection for dropped file 13->82 84 Machine Learning detection for dropped file 13->84 26 cmd.exe 1 13->26         started        28 cmd.exe 1 13->28         started        30 RegAsm.exe 3 13->30         started        32 cmd.exe 15->32         started        34 RegAsm.exe 15->34         started        36 cmd.exe 15->36         started        signatures6 process7 dnsIp8 56 C:\Users\user\AppData\Roaming\...\appaa.exe, PE32 17->56 dropped 58 C:\Users\user\...\appaa.exe:Zone.Identifier, ASCII 17->58 dropped 38 conhost.exe 17->38         started        76 Uses schtasks.exe or at.exe to add and modify task schedules 20->76 40 conhost.exe 20->40         started        42 schtasks.exe 1 20->42         started        66 rio.casacam.net 37.0.8.154, 49752, 49756, 49762 WKD-ASIE Netherlands 23->66 44 conhost.exe 26->44         started        46 schtasks.exe 1 26->46         started        48 conhost.exe 28->48         started        50 conhost.exe 32->50         started        52 schtasks.exe 32->52         started        file9 signatures10 process11 process12 54 conhost.exe 44->54         started       
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2/
Threat name:
ByteCode-MSIL.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 03:41:15 UTC
AV detection:
26 of 45 (57.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m53milnj7445673wmsovvuuh75ripehijr56x4zfzonyyltuv2za._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b8a5cbe236a7057a2904f18480b85ce9b59b891c0a1a041516248d35760744d
AsyncRAT
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
AsyncRAT
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
bcf7571a4d9b25fabdc2d6120b1b2d7bd8446ea2bc3a5da1d4127954920067de
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
ecb8839117d73d33390c84f7f6e02f4970156ccb2da7b48083922f60625fa8be
AsyncRAT
+ 1'886 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/210929-jpvn7secer/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
rio.casacam.net:6606
rio.casacam.net:7707
rio.casacam.net:8808
Unpacked files
SH256 hash:
1f0f740710b88603261d7def487923488f51c0adbd6b7318ce9929b3a7ea9a6e
MD5 hash:
528ec12f90bdf1582a14ea7fa5914203
SHA1 hash:
a2452739a301791e42e3cc953c5c6476d3fbe301
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/0afa10db-b3fa-44c9-803f-286f853c05db/
SH256 hash:
6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2
MD5 hash:
46eeafdc0803ee8e7d5d8dd5b29978a3
SHA1 hash:
19b6f346adfc984fe95ab530ec83bf0b3363e4b9
Link:
https://www.unpac.me/results/0afa10db-b3fa-44c9-803f-286f853c05db/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6776c42da9ff/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/6776c42da9ff39df7f76649d5ad287ff628790e84c7bebf325cb9b8c2e74aeb2

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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_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.

Cape
Cape
https://www.capesandbox.com/analysis/192986/

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