MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245. 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: 9


Intelligence 9 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245
SHA3-384 hash: d35ecb93d643e73e9fc9292c1c32dd3185c3a27379cf4441e877dd891ad55daa042cb4ed9639022ba9ebbd71a092ce1e
SHA1 hash: 65c6c6e5f9cc511dd880c4fd579b720e774646dd
MD5 hash: c1f5eba56ca6dcee282d91f30e4e4e37
humanhash: hydrogen-uncle-quebec-comet
File name:C1F5EBA56CA6DCEE282D91F30E4E4E37.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:113'152 bytes
First seen:2021-06-09 20:16:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:KZF9Pi2HLxzrNPffrfT+y+6r8qaqLCuCnzRTFTSfS/+1aH9smoTuCL:KZFZrNPff3rNr8nwTOTki+169fCL
Threatray 30 similar samples on MalwareBazaar
TLSH A5B34C327EA347CAC8ACD0B465028399E5909EF64D523A52B3F5372FDFFC220A4D5562
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
103.149.13.196:8621

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
103.149.13.196:8621 https://threatfox.abuse.ch/ioc/85499/

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245
Verdict:
Suspicious activity
Analysis date:
2021-06-10 05:53:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/00feb68e-14fc-4630-8ced-15f301048b0f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/165708/
Detection(s):
SecuriteInfo.com.Trojan.Malware.300983.susgen.7861.8214.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
DNS request
Sending a custom TCP request
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/799832
Signature
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 432228 Sample: 8KfPvyojv5.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 9 8KfPvyojv5.exe 2 2->9         started        process3 file4 32 C:\Users\user\AppData\...\8KfPvyojv5.exe.log, ASCII 9->32 dropped 12 mshta.exe 23 9->12         started        process5 dnsIp6 42 ia601401.us.archive.org 207.241.227.121, 443, 49712 INTERNET-ARCHIVEUS United States 12->42 58 Obfuscated command line found 12->58 16 powershell.exe 14 23 12->16         started        signatures7 process8 dnsIp9 34 archive.org 207.241.224.2, 443, 49725 INTERNET-ARCHIVEUS United States 16->34 36 ia601505.us.archive.org 207.241.227.115, 443, 49729 INTERNET-ARCHIVEUS United States 16->36 38 3 other IPs or domains 16->38 44 Creates an undocumented autostart registry key 16->44 20 powershell.exe 23 16->20         started        23 conhost.exe 16->23         started        signatures10 process11 signatures12 54 Writes to foreign memory regions 20->54 56 Injects a PE file into a foreign processes 20->56 25 aspnet_compiler.exe 2 20->25         started        28 aspnet_compiler.exe 2 20->28         started        30 aspnet_compiler.exe 20->30         started        process13 dnsIp14 40 103.149.13.196, 49742, 8621 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 25->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-06-07 04:30:33 UTC
AV detection:
7 of 29 (24.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aphvdkoizqqxdcqjaiadmaup35jjhweasweb2lasig7erlxxsjcq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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109a40435ad446c7b03af30bb049f55275a659c0271fa7a8a1a59d5871d18c10
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10a30b9776bb8981976fe678e4538e68c8fbbb0a57f34934978b3df7238be8d5
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5f06da67169389577ec237bfb0c3e0e9203833048f48081deed7b6201ad18c27
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5f5021b3286e9d1b8e9fa9d53319773f0be1c7603efddd040124be7c60424edc
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92a7e167629bd14c88a03ef1b6719acd143082c495972a829f20cc588fd6e084
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ba4b51ae64c68b32d126322b51b41dce7c300c01faed97aca35ff142e121a914
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cd91b0fbaabf19d178f3a221c517418378913af82ca88856a07cbf0df506f117
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d2d9b66c9aad0e6cc20a786a89299a8b4a65a5a344db369dfd7bfbad3fb40b55
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db95252c51380bd1270af501cbc040ce72a3ad551156526580e4ce39b3feb0de
AsyncRAT
fda270ad50aed906730605ca93ecaa3e24792dd070bb443f94d2d6c23124ad61
AsyncRAT
+ 20 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210609-sjlf7h9bdn/
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
103.149.13.196:8621
Dropper Extraction:
https://ia601509.us.archive.org/0/items/all-tai-123/ALL_tai123.TXT
Unpacked files
SH256 hash:
03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245
MD5 hash:
c1f5eba56ca6dcee282d91f30e4e4e37
SHA1 hash:
65c6c6e5f9cc511dd880c4fd579b720e774646dd
Link:
https://www.unpac.me/results/ef5b9e45-e544-49de-8941-0b5e96523744/
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/03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245

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:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
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
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/165708/

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