MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 546eb85717e02b1d16df99eade200e4bca7464014f732f62c9c4d3885b1a2854. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 546eb85717e02b1d16df99eade200e4bca7464014f732f62c9c4d3885b1a2854
SHA3-384 hash: aa3924637b980378802d2a845e5ddb0507cd3849d3e520b538aab4364dbc6b79c50077699f195880c4330a193f05b673
SHA1 hash: cf490003c793b10bbabfeb126933b60f10bca8f6
MD5 hash: 52ed92c27eca6156a71d9c1af2a3b249
humanhash: berlin-alabama-oxygen-johnny
File name:52ed92c27eca6156a71d9c1af2a3b249.exe
Download: download sample
Signature AsyncRAT
File size:582'144 bytes
First seen:2022-08-07 13:13:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:/b1g6SKlpxO2/KfQ+QJVODBhux2IWq0n:/bTLlpxR/KfQ+3rHqe
TLSH T1B1C4D0D09317EE73F02876B3B550910C2B20562E81E5D57999ACB8EF70B274B1AF5E0B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
52ed92c27eca6156a71d9c1af2a3b249.exe
Verdict:
Malicious activity
Analysis date:
2022-08-07 13:14:18 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
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
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
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Creates executable files without a name
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680002 Sample: Ks6amyVuBx.exe Startdate: 07/08/2022 Architecture: WINDOWS Score: 96 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected AntiVM3 2->72 74 4 other signatures 2->74 10 Ks6amyVuBx.exe 7 2->10         started        process3 file4 56 C:\Users\user\AppData\...\oFDCFRlqTBL.exe, PE32 10->56 dropped 58 C:\Users\user\AppData\Local\...\tmpAD3B.tmp, XML 10->58 dropped 60 C:\Users\user\AppData\...\Ks6amyVuBx.exe.log, ASCII 10->60 dropped 76 Uses schtasks.exe or at.exe to add and modify task schedules 10->76 78 Adds a directory exclusion to Windows Defender 10->78 14 Ks6amyVuBx.exe 6 10->14         started        18 powershell.exe 19 10->18         started        20 schtasks.exe 1 10->20         started        22 Ks6amyVuBx.exe 10->22         started        signatures5 process6 file7 62 C:\Users\user\AppData\Roaming\.exe, PE32 14->62 dropped 80 Creates executable files without a name 14->80 24 cmd.exe 1 14->24         started        26 cmd.exe 1 14->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        signatures8 process9 process10 32 .exe 5 24->32         started        35 conhost.exe 24->35         started        37 timeout.exe 1 24->37         started        39 conhost.exe 26->39         started        41 schtasks.exe 1 26->41         started        signatures11 66 Adds a directory exclusion to Windows Defender 32->66 43 powershell.exe 32->43         started        45 schtasks.exe 32->45         started        47 .exe 32->47         started        50 .exe 32->50         started        process12 dnsIp13 52 conhost.exe 43->52         started        54 conhost.exe 45->54         started        64 37.0.14.198, 49794, 49797, 49799 WKD-ASIE Netherlands 47->64 process14
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-07 13:14:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
37.0.14.198:6161
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
3b43564362f93fb034531ab07c2b61c4db346825098f81d1b27d9f30bc5a6c14
MD5 hash:
ba3109040281cd787c4034fba23a033f
SHA1 hash:
184e23f19b7c9f37de42cf7a34398f5f55175cd7
SH256 hash:
cceedb0f404b766a8d59b323c86288bf6f10d2bd1893b985b44ddc01986e20da
MD5 hash:
01c22dff9e3b926da6115b6438e92fb8
SHA1 hash:
091c0d58bb910581e5e7e9f1021ae850da0128c7
SH256 hash:
5ce21abfe09a5454525d581466ada28b5c68f514b2b7163913c8823b974181cb
MD5 hash:
2b11c9eed8fc0446384aadcf67042501
SHA1 hash:
1482431f810c936c9cb60718d03df6483a3f6b7d
SH256 hash:
546eb85717e02b1d16df99eade200e4bca7464014f732f62c9c4d3885b1a2854
MD5 hash:
52ed92c27eca6156a71d9c1af2a3b249
SHA1 hash:
cf490003c793b10bbabfeb126933b60f10bca8f6
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.

Web download

AsyncRAT

Executable exe 546eb85717e02b1d16df99eade200e4bca7464014f732f62c9c4d3885b1a2854

(this sample)

  
Delivery method
Distributed via web download

Comments