MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38acb0a39a41cd025106836edc40beaa0b53cea2b7e5a3dcfebae8269b8f6c58. 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 YARA 3 File information Comments 1

SHA256 hash: 38acb0a39a41cd025106836edc40beaa0b53cea2b7e5a3dcfebae8269b8f6c58
SHA3-384 hash: 6d753f3a171a22e9de4f089100fd1f7381bc9751acf248b21ff86f359a9bbbbe5f3a64a566f8887519e7c31de4e2db93
SHA1 hash: 7eabd6cf8bc2deecc6691c810146345f918213b9
MD5 hash: 98379a4b4b9f36794e4d85eedf2ccf8e
humanhash: moon-delta-bluebird-oxygen
File name:98379a4b4b9f36794e4d85eedf2ccf8e
Download: download sample
Signature AsyncRAT
File size:194'048 bytes
First seen:2022-12-07 11:57:12 UTC
Last seen:2022-12-07 13:37:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:B3CX/huQkPjdYZ2kPTx6A9duTSzac6gEzGP7y3mw9mKlrqNPVJFUSo7c1Vwi:B0YQIiZJPT4RUAgvP7yVmKl+NPVJFUSw
Threatray 4'027 similar samples on MalwareBazaar
TLSH T179144ADC765072DFC85BC876CAA82C64BA64787B931B9203901715EDAD0D99BCF290F3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
98379a4b4b9f36794e4d85eedf2ccf8e
Verdict:
Malicious activity
Analysis date:
2022-12-07 12:10:38 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
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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, PhoenixRAT
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
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 AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762574 Sample: wTlhgjAAxp.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 15 other signatures 2->44 7 wTlhgjAAxp.exe 1 2->7         started        11 SystJHKJHKem.exe 1 2->11         started        process3 file4 30 C:\Users\user\AppData\...\wTlhgjAAxp.exe.log, ASCII 7->30 dropped 46 Writes to foreign memory regions 7->46 48 Allocates memory in foreign processes 7->48 50 Injects a PE file into a foreign processes 7->50 13 powershell.exe 13 7->13         started        17 RegSvcs.exe 2 7->17         started        20 powershell.exe 3 11->20         started        22 RegSvcs.exe 3 11->22         started        24 RegSvcs.exe 11->24         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\...\SystJHKJHKem.exe, PE32 13->32 dropped 34 C:\Users\...\SystJHKJHKem.exe:Zone.Identifier, ASCII 13->34 dropped 52 Drops PE files to the startup folder 13->52 54 Powershell drops PE file 13->54 26 conhost.exe 13->26         started        36 chinasea.duckdns.org 173.234.105.145, 49681, 5201 LEASEWEB-AS-APLEASEWEBAUSTRALIAPTYLIMITEDAU Australia 17->36 28 conhost.exe 20->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-12-07 11:58:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chinasea.duckdns.org:5201
Unpacked files
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
SH256 hash:
e56b4fcb7da824c9c8662f3b30d832d0d4de2cb2fb9cd24f2ff88c9a1e6df14b
MD5 hash:
68c90d657b288005061064835abe1d01
SHA1 hash:
3538c2bafebbf166920a13f483bd09f48b0b2238
SH256 hash:
38acb0a39a41cd025106836edc40beaa0b53cea2b7e5a3dcfebae8269b8f6c58
MD5 hash:
98379a4b4b9f36794e4d85eedf2ccf8e
SHA1 hash:
7eabd6cf8bc2deecc6691c810146345f918213b9
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_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Web download

AsyncRAT

Executable exe 38acb0a39a41cd025106836edc40beaa0b53cea2b7e5a3dcfebae8269b8f6c58

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-12-07 11:57:16 UTC

url : hxxp://ewsdghmrhfuier.ga/yy/GSDFHHDFDF.exe