MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac44cb33fc3c483e92ec55e10fc93a95e2eb86ddaedd666f77aff458bcf44ab2. 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: 7


Intelligence 7 IOCs 1 YARA 3 File information Comments

SHA256 hash: ac44cb33fc3c483e92ec55e10fc93a95e2eb86ddaedd666f77aff458bcf44ab2
SHA3-384 hash: 6a7f8215abe8cbec540875980b9b69dd50cb83b8b811491eab9b110b6a20149e88d2ab6e758462414111c0fff6b7885d
SHA1 hash: f3281612bf3c155d39636d972582ec1276668460
MD5 hash: 8c83cf517947fbbd7694a7306f3e20c7
humanhash: oranges-oklahoma-cola-shade
File name:Img 673t5718737.exe
Download: download sample
Signature AsyncRAT
File size:70'144 bytes
First seen:2021-07-16 09:05:38 UTC
Last seen:2021-07-16 09:41:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:owj1DzzRwwZkhlqyERbOBtCEQF5UOY38Y72ptry9Hs:owjlzzRUlqyEetC9S38Y72p/
Threatray 243 similar samples on MalwareBazaar
TLSH T10C639610B2B89F63EA7D9BF46921515107F578B7B862E3850ECBA0DB15A3F004AD1F27
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.193.75.202:11011

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
91.193.75.202:11011 https://threatfox.abuse.ch/ioc/160745/

Intelligence


File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Img 673t5718737.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 09:09:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.adwa.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449792 Sample: Img 673t5718737.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 84 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Yara detected AsyncRAT 2->59 61 .NET source code contains potential unpacker 2->61 63 3 other signatures 2->63 9 Img 673t5718737.exe 15 4 2->9         started        12 Img 673t5718737.exe 3 2->12         started        process3 dnsIp4 49 cdn-eu-hz-1.ufile.io 104.27.195.88, 443, 49734, 49736 CLOUDFLARENETUS United States 9->49 51 ufile.io 9->51 14 cmd.exe 3 9->14         started        18 cmd.exe 1 9->18         started        53 ufile.io 12->53 55 cdn-eu-hz-3.ufile.io 12->55 20 Img 673t5718737.exe 1 2 12->20         started        process5 dnsIp6 39 C:\Users\user\AppData\...\Img 673t5718737.exe, PE32 14->39 dropped 41 C:\...\Img 673t5718737.exe:Zone.Identifier, ASCII 14->41 dropped 67 Suspicious powershell command line found 14->67 69 Drops PE files to the startup folder 14->69 23 conhost.exe 14->23         started        25 powershell.exe 15 18->25         started        27 wscript.exe 18->27         started        29 conhost.exe 18->29         started        31 timeout.exe 1 18->31         started        47 91.193.75.202, 11011, 49754 DAVID_CRAIGGG Serbia 20->47 file7 signatures8 process9 process10 33 Img 673t5718737.exe 25->33         started        dnsIp11 43 ufile.io 33->43 45 cdn-eu-hz-5.ufile.io 33->45 65 Injects a PE file into a foreign processes 33->65 37 Img 673t5718737.exe 33->37         started        signatures12 process13
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-07-16 09:06:08 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
91.193.75.202:11011
Unpacked files
SH256 hash:
ac44cb33fc3c483e92ec55e10fc93a95e2eb86ddaedd666f77aff458bcf44ab2
MD5 hash:
8c83cf517947fbbd7694a7306f3e20c7
SHA1 hash:
f3281612bf3c155d39636d972582ec1276668460
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments