MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 112bc23dbf145fb1c5c78e842b605a4da6202c9993114c7118fbdf902d6c7673. 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 YARA 11 File information Comments

SHA256 hash: 112bc23dbf145fb1c5c78e842b605a4da6202c9993114c7118fbdf902d6c7673
SHA3-384 hash: 8c6813d09b27a5112dfd5d31652d447acd1aac1f35ec3c84625f21b55b61a07080ba3353f179d3a84e6f728f7559ac0e
SHA1 hash: 1afa1a350707f41a114c0296ae53d7e0c24ed8c4
MD5 hash: 0a5956f7becedb614fb7fc192056f0c6
humanhash: magnesium-glucose-mirror-uranus
File name:bF3b.exe
Download: download sample
Signature AsyncRAT
File size:46'080 bytes
First seen:2022-09-30 18:07:28 UTC
Last seen:2022-09-30 21:07:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:vuwCfTg46YbWUn8jjmo2qrDKjGKG6PIyzjbFgX3iqaUQUXtBDZSx:vuwCfTgp/2OKYDy3bCXStCdSx
TLSH T104231B003FE9822BF2BE4B7898F25145467AF1A72603D54D1CC452DB5723FC69A42AFA
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 pmelson
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat 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 URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-09-30 18:08:07 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
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
0.tcp.ngrok.io:13857
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
112bc23dbf145fb1c5c78e842b605a4da6202c9993114c7118fbdf902d6c7673
MD5 hash:
0a5956f7becedb614fb7fc192056f0c6
SHA1 hash:
1afa1a350707f41a114c0296ae53d7e0c24ed8c4
Detections:
AsyncRAT win_asyncrat_w0
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.

Web download

AsyncRAT

Executable exe 112bc23dbf145fb1c5c78e842b605a4da6202c9993114c7118fbdf902d6c7673

(this sample)

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