MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46
SHA3-384 hash: 67b805e00feee64ae88d9c40aca7681717da98e9e8d4001396a632280c472e0ee584412a5d9cabe6914a09d5e6a040be
SHA1 hash: e87cd874ca09c5379aa6baa7cf77b35f48f09773
MD5 hash: 9b3a6a3b6b0fc35d632122542bd89eae
humanhash: one-papa-ink-skylark
File name:9b3a6a3b6b0fc35d632122542bd89eae.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:237'488 bytes
First seen:2022-09-01 11:10:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:iuFkZiVajx+IOTuXTam8jNTcPb/w5iNLHmm8OBjGCNRrcfV7bltRAdXp5rW4l24X:iuCBSC/cfV17Q7CVdKrL3oJ8LvMc
TLSH T1FB34E187E3D348D3C15C1D75F2438B870770E30978DB8A6BA49D2299098F3AF75866CA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
195.178.120.137:5097

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
195.178.120.137:5097 https://threatfox.abuse.ch/ioc/845300/

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
9b3a6a3b6b0fc35d632122542bd89eae.exe
Verdict:
Malicious activity
Analysis date:
2022-09-01 11:13:43 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/f91211dc-6a7b-4a0a-a6d3-83f3c1aa02f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/307223/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/6310934da7450371f696819b/reports/e2d128fc-bd2a-4c98-b538-51a9401e16eb/overview
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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/03a70883-9a33-4828-9a0a-69b7baac848d
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1062705
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Powershell drops PE file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 695231 Sample: yN7kmnm7v2.exe Startdate: 01/09/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 8 other signatures 2->44 7 yN7kmnm7v2.exe 1 2->7         started        11 SysCXVXBSSSGStem.exe 1 2->11         started        process3 file4 30 C:\Users\user\AppData\...\yN7kmnm7v2.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 16 7->13         started        17 aspnet_compiler.exe 2 7->17         started        20 aspnet_compiler.exe 7->20         started        22 powershell.exe 3 11->22         started        24 aspnet_compiler.exe 2 11->24         started        signatures5 process6 dnsIp7 32 C:\Users\user\...\SysCXVXBSSSGStem.exe, PE32 13->32 dropped 34 C:\...\SysCXVXBSSSGStem.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        36 195.178.120.137, 49715, 5097 HEXAGLOBE-ASFR unknown 17->36 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-09-01 11:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5cyvssbvdzgiwz6hhwr4g2j3atkqgsdzcnyomb5cloeena6s5jda._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/220901-m99weacgej/
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:
195.178.120.137:5097
Unpacked files
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/28343dd1-d00a-4260-8835-398cb1b82292/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
6ce28e2243fa2700210b1c00e09d250b5c25f267f2816922e68268ba46bedc8f
MD5 hash:
9074d01b6e8e4094aaa2e884454b3e41
SHA1 hash:
2f0787cd5c57379f82de6b14dd2fb33574b64e99
Detections:
win_asyncrat_w0
Create hunting rule
AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/28343dd1-d00a-4260-8835-398cb1b82292/
SH256 hash:
e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46
MD5 hash:
9b3a6a3b6b0fc35d632122542bd89eae
SHA1 hash:
e87cd874ca09c5379aa6baa7cf77b35f48f09773
Link:
https://www.unpac.me/results/28343dd1-d00a-4260-8835-398cb1b82292/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e8b15948351e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2264671/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/307223/

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