MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5500d8ead47d2daccdc10705f398285037e115bb73380a682e8a4481715dc5. 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: 14


Intelligence 14 IOCs 1 YARA 16 File information Comments

SHA256 hash: fb5500d8ead47d2daccdc10705f398285037e115bb73380a682e8a4481715dc5
SHA3-384 hash: cef387afb8078dacead2302ded046246c990f0591b9b8de9c258d4dd607e90d630781756c227af149154566fa1b5bcd4
SHA1 hash: dc3af9a4c1a2429f0914a0a8800f03416d863011
MD5 hash: c0eb1c71dfa028b95d8a1800a2c0d4a3
humanhash: blue-triple-jersey-timing
File name:c0eb1c71dfa028b95d8a1800a2c0d4a3.exe
Download: download sample
Signature AsyncRAT
File size:492'576 bytes
First seen:2022-06-06 14:02:04 UTC
Last seen:2022-06-06 14:44:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:csFDZUi1H8vzgMU+duPOyxzWtrboPZXBR+IhQaTb5Jz/R:nlH8vzgL8QJxzWqRXBRd
Threatray 2'644 similar samples on MalwareBazaar
TLSH T1BAA4E95C3B420AB2EC1D81318A598906BB220ED76398F8A5579BF3C7877B063DD45EF4
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)
File icon (PE):PE icon
dhash icon 1a333b331b1b3343 (3 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
138.99.209.222:2000

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
138.99.209.222:2000 https://threatfox.abuse.ch/ioc/658043/

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
c0eb1c71dfa028b95d8a1800a2c0d4a3.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 14:04:33 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
Creating a window
Launching a process
DNS request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat obfuscated
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
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-14 03:18:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:26/4/22 rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
znets.ddns.net:2000
dnets.ddns.net:2000
Unpacked files
SH256 hash:
ba100af04ed1f5f84b38155d69d1cd28101690a925d2ecd09df73997da22ad72
MD5 hash:
0ea3e77a54d58df4d81aa15442753bbe
SHA1 hash:
1c0e472cc621b5b32d778daf5fba582c32536307
Detections:
win_asyncrat_w0
SH256 hash:
fb5500d8ead47d2daccdc10705f398285037e115bb73380a682e8a4481715dc5
MD5 hash:
c0eb1c71dfa028b95d8a1800a2c0d4a3
SHA1 hash:
dc3af9a4c1a2429f0914a0a8800f03416d863011
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_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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