MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241
SHA3-384 hash: fa95884e75506fa42c711b18f42ea48aa6b7dda271d55eb95a42976280d6c7a14d39217c0b7dbe2f6118f7c5b393ca31
SHA1 hash: 6fe3161ee66e317889066a302474e511220939e7
MD5 hash: 3c6ccbfe897915f0fe6bc34d193bf4a0
humanhash: shade-emma-glucose-winner
File name:3c6ccbfe897915f0fe6bc34d193bf4a0.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:89'088 bytes
First seen:2022-11-05 19:03:38 UTC
Last seen:2022-12-26 21:11:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:Fn6gewiUBl7opCAFqRxzWbg5N0ns1decUmnybgR+fPUSphJ7L2Ut:0gewHgCSC0sXmbgR+fPUSphJ7Ll
TLSH T1C693170B96D87DEEE02B9AB35D5B9F4DA638B913690ACF052221074F51760CEF207D93
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
CR.exe
Verdict:
Malicious activity
Analysis date:
2022-11-05 03:27:20 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/139940d5-e379-4464-8e5c-b954dac0fac5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/329196/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.17388.5028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Launching a process
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6366b3abf7995a78442bfa3f/reports/8d7bced9-e986-41d5-9750-4ce58b94be21/overview
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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/81924602-2eda-4148-8fc4-ebab1cfb79b6
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1106268
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
Antivirus detection for URL or domain
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 dropped file
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 738932 Sample: 5psTqsClAD.exe Startdate: 05/11/2022 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 10 other signatures 2->51 7 SystemGuardRuntime.exe 3 2->7         started        10 5psTqsClAD.exe 5 2->10         started        13 SystemGuardRuntime.exe 2 2->13         started        15 SystemGuardRuntime.exe 2 2->15         started        process3 file4 55 Antivirus detection for dropped file 7->55 57 Multi AV Scanner detection for dropped file 7->57 59 Machine Learning detection for dropped file 7->59 17 RegAsm.exe 3 7->17         started        39 C:\Users\user\...\SystemGuardRuntime.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\...\5psTqsClAD.exe.log, ASCII 10->41 dropped 61 Writes to foreign memory regions 10->61 63 Allocates memory in foreign processes 10->63 65 Injects a PE file into a foreign processes 10->65 19 cmd.exe 1 10->19         started        22 powershell.exe 1 22 10->22         started        24 RegAsm.exe 2 10->24         started        27 RegAsm.exe 10->27         started        29 RegAsm.exe 2 13->29         started        31 RegAsm.exe 2 15->31         started        signatures5 process6 dnsIp7 53 Uses schtasks.exe or at.exe to add and modify task schedules 19->53 33 conhost.exe 19->33         started        35 schtasks.exe 1 19->35         started        37 conhost.exe 22->37         started        43 85.105.88.221, 2531 TTNETTR Turkey 24->43 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241/
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 05:29:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kk7rcnsoqqypjmtr5ozj4ksviukugm4l4wzkgtttd3pfr3xqijaq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:system guard runtime persistence rat
Link:
https://tria.ge/reports/221105-xqx3lsbecm/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
85.105.88.221:2531
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/85c93e97-866b-4be0-a8d8-d4d0e1831e0c
Unpacked files
SH256 hash:
45a53f3220e08dfdb14739cf714540a14cbf203b9ac2ec6d8e7ae88f59171491
MD5 hash:
babb410932a0b0850c69e373c918198f
SHA1 hash:
9768b70e1da4be2c4acdddbcd1627749b05b072b
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/d794ccab-4c4f-4568-8cf8-b11376174cbb/
Parent samples :
52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241
399a0e77326dc484fa92fd5f95f2dbd89866dfd4e7e80661634a9a83f0652403
SH256 hash:
52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241
MD5 hash:
3c6ccbfe897915f0fe6bc34d193bf4a0
SHA1 hash:
6fe3161ee66e317889066a302474e511220939e7
Link:
https://www.unpac.me/results/d794ccab-4c4f-4568-8cf8-b11376174cbb/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52bf11364e84/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/52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241

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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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 52bf11364e8430f4b271ebb29e2a55451543338be5b2a34e731ede58eef04241

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2401207/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/329196/

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