MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b0cc9619acedf4605e43786ed2777ed3142ca34c93524e5df941243364f7287. 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: 16


Intelligence 16 IOCs 1 YARA 11 File information Comments

SHA256 hash: 6b0cc9619acedf4605e43786ed2777ed3142ca34c93524e5df941243364f7287
SHA3-384 hash: 6402b2f0b85b099b4b6b1350b6c617c3e8a44d7bff709ba38b76dee25d286550fe294439adce2e6fced142cf0d0d51a3
SHA1 hash: cf8b2b8f9ad256b21e0d1d1ea1636b73e2464419
MD5 hash: a4bc79c3e5cfdde8fd39d429e487a81c
humanhash: alanine-ack-pizza-music
File name:payment of invoice no23562.exe
Download: download sample
Signature AsyncRAT
File size:48'640 bytes
First seen:2022-06-10 09:57:10 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 768:CuIadTsErkZTWU/APhmo2qb2WkKSu5CyCHUPIhRCO0bVJTdVLBPO5TXiuDqVBDZm:CuIadTsX22HWQmCdZhRybVJpNBPe7iE3
TLSH T162232B003BE9812BF2BE4F74A9F2215585BAF2677603D64A1CC441975B13FC29642AFE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.0.14.198:6161

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
37.0.14.198:6161 https://threatfox.abuse.ch/ioc/679721/

Intelligence


File Origin
# of uploads :
1
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
payment of invoice no23562.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 10:03:43 UTC
Tags:
asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat greyware njrat packed rat razy
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates executable files without a name
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643222 Sample: payment of invoice no23562.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Yara detected AsyncRAT 2->42 44 6 other signatures 2->44 7 payment of invoice no23562.exe 7 2->7         started        process3 file4 28 C:\Users\user\AppData\Roaming\.exe, PE32 7->28 dropped 30 C:\...\payment of invoice no23562.exe.log, ASCII 7->30 dropped 46 Creates executable files without a name 7->46 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        signatures5 process6 signatures7 16 .exe 2 11->16         started        20 conhost.exe 11->20         started        22 timeout.exe 1 11->22         started        48 Uses schtasks.exe or at.exe to add and modify task schedules 13->48 24 conhost.exe 13->24         started        26 schtasks.exe 1 13->26         started        process8 dnsIp9 32 37.0.14.198, 49739, 49745, 49755 WKD-ASIE Netherlands 16->32 34 Antivirus detection for dropped file 16->34 36 Machine Learning detection for dropped file 16->36 signatures10
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-06-10 09:58:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
37.0.14.198:6161
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:AsyncRat
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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.

Comments