MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f1b2404763397687301ca8aa73f3d1cd69360fc07ee1b358b4d477a7db5fa0b. 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: 7f1b2404763397687301ca8aa73f3d1cd69360fc07ee1b358b4d477a7db5fa0b
SHA3-384 hash: bdbac82d8b43d905fe74c349733bf6c4b5961b04079354d7c77cb1e7db183367902cb09b9bcce4fa907153d45a3337c6
SHA1 hash: c022f4ea02cfd9a868ce6d17709a2f822ba4d8ea
MD5 hash: b33daeb86d4ccc74a641e61ca0a8c7de
humanhash: zebra-minnesota-california-seven
File name:b33daeb86d4ccc74a641e61ca0a8c7de.exe
Download: download sample
Signature AsyncRAT
File size:48'128 bytes
First seen:2022-08-27 00:35:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:ixveMhmIBgqcWmEbvOr32s1Rz68x26XC2yjbFgr3iwvMME5KlENClZx2tYcFmVcl:ixveMhVIrmYhRebCrSuMMEgEArxKmVcl
Threatray 2'804 similar samples on MalwareBazaar
TLSH T1F8232B003BE9813BE2BE5BB86CF252458677E2632603D9497CC851D76B13BC74A426FD
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
163.172.225.185:551

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
163.172.225.185:551 https://threatfox.abuse.ch/ioc/845604/

Intelligence


File Origin
# of uploads :
1
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
b33daeb86d4ccc74a641e61ca0a8c7de.exe
Verdict:
Malicious activity
Analysis date:
2022-08-27 00:50:05 UTC
Tags:
asyncrat trojan rat

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
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat njrat packed rat
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Status:
Malicious
First seen:
2022-08-23 00:15:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 41 (80.49%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
163.172.225.185:6606
163.172.225.185:7707
163.172.225.185:8808
163.172.225.185:551
163.172.225.185:677
163.172.225.185:441
163.172.225.185:661
163.172.225.185:412
Unpacked files
SH256 hash:
7f1b2404763397687301ca8aa73f3d1cd69360fc07ee1b358b4d477a7db5fa0b
MD5 hash:
b33daeb86d4ccc74a641e61ca0a8c7de
SHA1 hash:
c022f4ea02cfd9a868ce6d17709a2f822ba4d8ea
Detections:
win_asyncrat_w0 AsyncRAT
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