MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508. 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: 8


Intelligence 8 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508
SHA3-384 hash: b93ea73afb492a86184da43b31b7dec0460969c474ea742993a5d8fed38ce5b3cedecc207a8b9c40951fb2d4525b5772
SHA1 hash: 3acd48c0cc5aa6cfb69e16e6726d9ad1b19eba95
MD5 hash: 09ab479559615bd51d4ce2283958d92d
humanhash: kentucky-nebraska-california-december
File name:09AB479559615BD51D4CE2283958D92D.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:16'896 bytes
First seen:2021-06-18 00:42:41 UTC
Last seen:2021-06-18 01:50:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 192:R1ce0cI3dqS5YVIz4UgE1Dg11jP5wGIbJE4Ok:R1CcItbEMPgE1Dg11LOFbJE4O
Threatray 32 similar samples on MalwareBazaar
TLSH 0472731587E0D372CBE317718A61D9244B60AE2D6A11B39BA0F93D5B3FDD503C0E6E29
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
103.151.123.2:8621

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
103.151.123.2:8621 https://threatfox.abuse.ch/ioc/135609/

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
09AB479559615BD51D4CE2283958D92D.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-18 00:58:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ddb54f50-a9da-41db-9944-0f1c3de6de49

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/166698/
Detection(s):
SecuriteInfo.com.Artemis09AB47955961.11959.31286.UNOFFICIAL
Create hunting rule

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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/406eb3a8-ac43-4d28-a91a-96fad2dfd45f
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/804029
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: 436439 Sample: jc7crfGVtS.exe Startdate: 18/06/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 9 jc7crfGVtS.exe 2 2->9         started        process3 file4 30 C:\Users\user\AppData\...\jc7crfGVtS.exe.log, ASCII 9->30 dropped 12 mshta.exe 23 9->12         started        process5 dnsIp6 40 ia601501.us.archive.org 207.241.227.111, 443, 49714 INTERNET-ARCHIVEUS United States 12->40 56 Obfuscated command line found 12->56 16 powershell.exe 14 23 12->16         started        signatures7 process8 dnsIp9 32 archive.org 207.241.224.2, 443, 49729 INTERNET-ARCHIVEUS United States 16->32 34 ia601505.us.archive.org 207.241.227.115, 443, 49731 INTERNET-ARCHIVEUS United States 16->34 36 4 other IPs or domains 16->36 42 Creates an undocumented autostart registry key 16->42 20 powershell.exe 24 16->20         started        23 conhost.exe 16->23         started        signatures10 process11 signatures12 52 Writes to foreign memory regions 20->52 54 Injects a PE file into a foreign processes 20->54 25 aspnet_compiler.exe 2 20->25         started        28 aspnet_compiler.exe 2 20->28         started        process13 dnsIp14 38 103.151.123.2, 49749, 8621 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 25->38
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-06-15 02:29:18 UTC
AV detection:
3 of 29 (10.34%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=otckeqzlsnsp3ygalf7ujvubqkllixdch4kaekyodox2vjoykuea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
03cf51a9c8cc21718a09020036028fdf5293d88095881d2c1241be48aef79245
AsyncRAT
109a40435ad446c7b03af30bb049f55275a659c0271fa7a8a1a59d5871d18c10
AsyncRAT
3e7cecddd88f1fdc8eb055ef6ab1eacfadb706582cb0fe190d99e493baa78691
AsyncRAT
5f06da67169389577ec237bfb0c3e0e9203833048f48081deed7b6201ad18c27
AsyncRAT
5f5021b3286e9d1b8e9fa9d53319773f0be1c7603efddd040124be7c60424edc
AsyncRAT
ba4b51ae64c68b32d126322b51b41dce7c300c01faed97aca35ff142e121a914
AsyncRAT
cd91b0fbaabf19d178f3a221c517418378913af82ca88856a07cbf0df506f117
AsyncRAT
d2d9b66c9aad0e6cc20a786a89299a8b4a65a5a344db369dfd7bfbad3fb40b55
AsyncRAT
db95252c51380bd1270af501cbc040ce72a3ad551156526580e4ce39b3feb0de
AsyncRAT
fda270ad50aed906730605ca93ecaa3e24792dd070bb443f94d2d6c23124ad61
AsyncRAT
+ 22 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210618-66stvxgw5s/
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:
103.151.123.2:8621
Dropper Extraction:
https://ia601402.us.archive.org/2/items/all-lol-lol-123/ALL_lol_lol_123.TXT
Unpacked files
SH256 hash:
74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508
MD5 hash:
09ab479559615bd51d4ce2283958d92d
SHA1 hash:
3acd48c0cc5aa6cfb69e16e6726d9ad1b19eba95
Link:
https://www.unpac.me/results/992546ec-77c6-4d7c-8a57-ceb4f156d212/
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/74c4a2432b9364fde0c0597f44d6818296b45c623f14022b0e1bafaaa5d85508

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: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_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
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/166698/

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