MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955. 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


SheetRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955
SHA3-384 hash: 92d89f86103d6b1253036a867103673eb5b2815ddde3ff0c7ceb6042c866ff78876d12b5923359da19242850bec7c8da
SHA1 hash: e67d49d6c0debf580e884cd2931c27f973f4c9b2
MD5 hash: c5d7d8ca672f1e3698bd3c786514e4a8
humanhash: pasta-lake-lion-indigo
File name:viwkzrrc0rskzwi4.exe
Download: download sample
Signature SheetRAT
Create hunting rule
File size:503'200 bytes
First seen:2025-05-08 09:35:44 UTC
Last seen:2025-06-26 10:25:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:1EaUisBb/PyvSwwx4lYnWphRpGB2uj4Q4Z+eKq17K25Jkfk3V7AZrb2sTcoBYdXF:i4oE1mChH0b5XZfIjDoUJ7vQpi
Threatray 4 similar samples on MalwareBazaar
TLSH T17CB429253BD88E42D6801A7EC5BE2611C712A1F326136387370BF7625D05ADEDE6C3DA
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 68006d2d6d4c2c02 (1 x SheetRAT)
Reporter skocherhan
Tags:exe SheetRat


Avatar
skocherhan
https://anonsharing.com/file/ee5a7f315c7dd5cf/viwkzrrc0rskzwi4.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
437
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
viwkzrrc0rskzwi4.exe
Verdict:
Malicious activity
Analysis date:
2025-04-19 08:35:03 UTC
Tags:
auto-sch
Link:
https://app.any.run/tasks/da2b002b-e125-401d-8a1c-6c47eb7fbce4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoad4.16832.22223.26022.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68036037280f5f89a0d1ef84
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Running batch commands
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the Windows directory
Enabling the libraries to load when starting the app (AppInit_DLLs)
Launching a process
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Connection attempt to an infection source
Searching for synchronization primitives
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature obfuscated obfuscated overlay reconnaissance signed zero
Link:
https://www.filescan.io/uploads/681c7b0cb880b22541aa39bd/reports/b95b7f42-7578-4329-bda5-425325f7d1a8/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f1123137-d84d-43de-a25c-4d7f9e668c4f
Result
Threat name:
SheetRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1684214
Signature
.NET source code contains potential unpacker
Allows loading of unsigned dll using appinit_dll
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Creates an undocumented autostart registry key
Found malware configuration
Joe Sandbox ML detected suspicious sample
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected SheetRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1684214 Sample: viwkzrrc0rskzwi4.exe Startdate: 08/05/2025 Architecture: WINDOWS Score: 100 46 must-directed.gl.at.ply.gg 2->46 52 Found malware configuration 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 9 other signatures 2->58 8 viwkzrrc0rskzwi4.exe 1 8 2->8         started        12 remoteadmin.exe 1 2->12         started        14 antifucked.exe 1 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 38 C:\Windows\xdwd.dll, PE32+ 8->38 dropped 40 C:\Users\user\AppData\...\remoteadmin.exe, PE32+ 8->40 dropped 42 C:\Users\user\AppData\...\antifucked.exe, PE32+ 8->42 dropped 44 C:\Users\user\...\viwkzrrc0rskzwi4.exe.log, CSV 8->44 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->60 62 Creates an undocumented autostart registry key 8->62 64 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->64 70 2 other signatures 8->70 18 cmd.exe 1 8->18         started        21 remoteadmin.exe 2 8->21         started        24 cmd.exe 1 8->24         started        26 cmd.exe 1 8->26         started        66 Multi AV Scanner detection for dropped file 12->66 68 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 12->68 signatures6 process7 dnsIp8 50 Uses schtasks.exe or at.exe to add and modify task schedules 18->50 28 conhost.exe 18->28         started        48 must-directed.gl.at.ply.gg 147.185.221.20, 47716 SALSGIVERUS United States 21->48 30 conhost.exe 24->30         started        32 schtasks.exe 1 24->32         started        34 conhost.exe 26->34         started        36 schtasks.exe 1 26->36         started        signatures9 process10
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2025-04-19 08:35:04 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z522jo3hsnsjqqnfzhckpxgzhy56ukjegm6rho4floeznmwlrfkq._file
Verdict:
malicious
Label(s):
balkanrat
Create hunting rule
Similar samples:
af0ee357916c3100e35e111d7d7a96886169e925b3031a3b19307253fc4fdeed
SheetRAT
cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955
SheetRAT
d70343ca7ab0028fb1218096640e1327f7bd204f1eb924c3af6f30c63f39859a
SheetRAT
error
SheetRAT
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence privilege_escalation
Link:
https://tria.ge/reports/250508-lkyw6scp2t/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Event Triggered Execution: AppInit DLLs
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3ad3ea18-4dee-4d71-85f8-29d559caf5c3
Unpacked files
SH256 hash:
cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955
MD5 hash:
c5d7d8ca672f1e3698bd3c786514e4a8
SHA1 hash:
e67d49d6c0debf580e884cd2931c27f973f4c9b2
Link:
https://www.unpac.me/results/adef6867-582b-45e2-9d5c-c2325041694a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cf75a4bb6793649841a5c9c4a7dcd93e3bea2924333d13bb855b8996b2cb8955

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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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 (HIGH_ENTROPY_VA)high

Comments