MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f
SHA3-384 hash: 9364d1752404c756e4dd6bc5794fb211c31abc6c85c8e12ccb6e5d357b3061a63631f4926465c3fc22f7947aa4b20482
SHA1 hash: 08aa8c8b3f6bb74e1bdf4d809375b189470bb00d
MD5 hash: 5306888f458a096fd8d5aa2a09954a07
humanhash: north-cat-kansas-butter
File name:922BE71C9F402C2FCFAB676571265D4F659DD9EACD877.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:5'994'760 bytes
First seen:2024-04-28 15:26:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:Fo69tRSF29jomRAaz9GUGMhf9EV3WV/v/u5sYH6ErM884N8Kvu:F3SSomRR9Jwn68X8Km
TLSH T15D56B5A7F7D28EA2C285273FC9974D241336DA446753D707354E232A2D137BB4AD228B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c4809292989090b0 (2 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
181.131.217.222:4203

Intelligence

File Origin
# of uploads :
1
# of downloads :
371
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
98eb2721-e597-414a-b769-13de5bc56c0f
Verdict:
Malicious activity
Analysis date:
2024-03-01 21:08:04 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/a72efcc8-5b8b-472e-8e86-db03aadb5fd4

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
Creating a file in the %AppData% directory
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c21ae792-a0e3-446f-b173-58de936e2530
Result
Threat name:
AsyncRAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432958
Signature
.NET source code contains potential unpacker
Found malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432958 Sample: 922BE71C9F402C2FCFAB6765712... Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 31 strekhost2085.con-ip.com 2->31 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 7 922BE71C9F402C2FCFAB676571265D4F659DD9EACD877.exe 1 3 2->7         started        11 Tvwrcwp.exe 1 2->11         started        13 chrome.exe 1 2->13         started        16 Tvwrcwp.exe 2->16         started        signatures3 process4 dnsIp5 29 C:\Users\user\AppData\Roaming\Tvwrcwp.exe, PE32 7->29 dropped 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->51 18 MSBuild.exe 2 7->18         started        21 MSBuild.exe 7->21         started        53 Multi AV Scanner detection for dropped file 11->53 23 MSBuild.exe 3 11->23         started        39 192.168.2.4, 138, 4203, 443 unknown unknown 13->39 41 239.255.255.250 unknown Reserved 13->41 25 chrome.exe 13->25         started        27 MSBuild.exe 2 16->27         started        file6 signatures7 process8 dnsIp9 33 strekhost2085.con-ip.com 181.131.217.222, 4203, 49747 EPMTelecomunicacionesSAESPCO Colombia 18->33 35 www.google.com 172.253.63.106, 443, 49738, 49750 GOOGLEUS United States 25->35 37 google.com 25->37
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-02-27 20:51:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=siv6ohe7iawc7t5lm5sxcjs5j5sz3wpkzwdxzexihqs5iicgef7q._file
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat
Link:
https://tria.ge/reports/240428-st63gaag37/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f
MD5 hash:
5306888f458a096fd8d5aa2a09954a07
SHA1 hash:
08aa8c8b3f6bb74e1bdf4d809375b189470bb00d
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/20654322-a2a4-4b5b-892b-1bbade607d7a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/922be71c9f40/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/922be71c9f402c2fcfab676571265d4f659dd9eacd877c92e83c25d42046217f

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments