MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b1d312ab2897c5508cb01be1252816ee15314ca3fa0b735d98ffb623779b73a. 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: 13


Intelligence 13 IOCs 1 YARA 2 File information Comments

SHA256 hash: 2b1d312ab2897c5508cb01be1252816ee15314ca3fa0b735d98ffb623779b73a
SHA3-384 hash: 9a5e73fbef056d05d0f28c8f80575aab4054cd31dc4c3a50098610cd4280b9b4c1ca162b7db2b7799f0b1c0c8ea50e1d
SHA1 hash: 1fc01a2bbd5e8c651d440b74d906cc42190c9dff
MD5 hash: 9162fca2d13beaa0806aba0006387fae
humanhash: enemy-stairway-kilo-aspen
File name:9162fca2d13beaa0806aba0006387fae.exe
Download: download sample
Signature AsyncRAT
File size:50'896 bytes
First seen:2022-06-08 22:12:59 UTC
Last seen:2022-06-08 22:39:05 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:DvcR/pAUAfd33XwfsQe/etup+UabtVaA7IthhvQSHRAVc6KNzC/6ypmihC:D08pz/FabtVaAQGSHRAVclNml8
Threatray 1'925 similar samples on MalwareBazaar
TLSH T13E333A64B3DA6336C7DC00FA28B7E2805774C10F224AE74BEEC831977B567D662066D6
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:
208.109.33.30:7777

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
208.109.33.30:7777 https://threatfox.abuse.ch/ioc/675192/

Intelligence


File Origin
# of uploads :
2
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
9162fca2d13beaa0806aba0006387fae.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 22:17:02 UTC
Tags:
trojan rat asyncrat

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

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe control.exe dcrat evasive greyware hacktool mpcmdrun.exe msconfig.exe njrat obfuscated overlay packed packed rat regedit.exe replace.exe wacatac
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, DcRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Suspicious powershell command line found
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 DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641969 Sample: EwnknkAMdz.exe Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 8 other signatures 2->84 13 EwnknkAMdz.exe 8 2->13         started        16 WinRAR.exe 3 2->16         started        process3 file4 62 C:\Users\user\AppData\Roaming\WinRAR.exe, PE32 13->62 dropped 64 C:\Users\user\AppData\...wnknkAMdz.exe.log, ASCII 13->64 dropped 19 cmd.exe 1 13->19         started        21 cmd.exe 1 13->21         started        70 Antivirus detection for dropped file 16->70 72 Multi AV Scanner detection for dropped file 16->72 74 Machine Learning detection for dropped file 16->74 signatures5 process6 signatures7 24 WinRAR.exe 2 4 19->24         started        28 conhost.exe 19->28         started        30 timeout.exe 1 19->30         started        88 Suspicious powershell command line found 21->88 90 Bypasses PowerShell execution policy 21->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 21->92 32 conhost.exe 21->32         started        34 schtasks.exe 1 21->34         started        process8 dnsIp9 66 208.109.33.30, 49766, 49785, 49794 SUCURI-SECUS United States 24->66 58 C:\Users\user\AppData\...\AsyncClient.exe, PE32 24->58 dropped 36 cmd.exe 1 24->36         started        file10 process11 signatures12 86 Suspicious powershell command line found 36->86 39 powershell.exe 14 36->39         started        41 conhost.exe 36->41         started        process13 process14 43 AsyncClient.exe 1 4 39->43         started        dnsIp15 68 192.168.2.1 unknown unknown 43->68 60 C:\Users\user\AppData\Local\Temp\ylakpp.exe, PE32 43->60 dropped 100 Antivirus detection for dropped file 43->100 102 Machine Learning detection for dropped file 43->102 48 cmd.exe 43->48         started        file16 signatures17 process18 signatures19 76 Suspicious powershell command line found 48->76 51 powershell.exe 48->51         started        53 conhost.exe 48->53         started        process20 process21 55 ylakpp.exe 51->55         started        signatures22 94 Antivirus detection for dropped file 55->94 96 Detected unpacking (overwrites its own PE header) 55->96 98 Machine Learning detection for dropped file 55->98
Threat name:
Win32.Trojan.Skeeyah
Status:
Malicious
First seen:
2022-06-04 15:58:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat suricata
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
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT)
Malware Config
C2 Extraction:
208.109.33.30:7777
208.109.33.30:8888
Unpacked files
SH256 hash:
2b1d312ab2897c5508cb01be1252816ee15314ca3fa0b735d98ffb623779b73a
MD5 hash:
9162fca2d13beaa0806aba0006387fae
SHA1 hash:
1fc01a2bbd5e8c651d440b74d906cc42190c9dff
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: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.

Comments