MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75
SHA3-384 hash: b866b45ef0388e272f2bf16c97c8fed013083f8d746a2723becfb319dbb022eb186d21586481f5a21b8ffa05e3dbc915
SHA1 hash: e39c6ce5160d483652e5b9d5474f04c5b5803d07
MD5 hash: db63abf404dd9c0b57aef533e722bec7
humanhash: mango-twelve-aspen-fruit
File name:injector.exe
Download: download sample
Signature SheetRAT
Create hunting rule
File size:154'112 bytes
First seen:2025-05-31 17:41:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 694849e8c708f0e48adb7d6a691e46c4 (2 x SheetRAT)
ssdeep 3072:vW3woD+G4TyAiwPlKb2Nf4cLg06j1ImcZHIQahh:aDN4+68kf48g0u1Imc
Threatray 6 similar samples on MalwareBazaar
TLSH T173E39E46FF46B9F7C66B1130D8AB076C1224DACA27C426131C6FA2390E674E0DD5BB93
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 74daf464f4c42ac4 (1 x SheetRAT)
Reporter aachum
Tags:exe SheetRat


Avatar
iamaachum
https://www.youtube.com/watch?v=7834I0kVb9U => https://workupload.com/start/8U74mzUMfFw

Intelligence

File Origin
# of uploads :
1
# of downloads :
451
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
injector.exe
Verdict:
No threats detected
Analysis date:
2025-05-31 17:43:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3c699b5c-5a90-400a-876b-cf474ca77964

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/6550/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683b40ac668438e362e906ff
Tags:
virus micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Launching a process
Creating a file
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the system32 directory
Launching cmd.exe command interpreter
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the Windows subdirectories
Creating a file in the Windows directory
Enabling the libraries to load when starting the app (AppInit_DLLs)
Blocking the Windows Defender launch
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Connection attempt to an infection source
Enabling autorun
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 obfuscated packed packed packer_detected reconnaissance
Link:
https://www.filescan.io/uploads/683b3f3ce336a33801e12214/reports/a8532b3c-4a18-4c1a-9e44-dea938a1d4db/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6311d60c-2c34-4bf1-ba3b-f0a491195cbf
Result
Threat name:
SheetRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1703021
Signature
.NET source code contains potential unpacker
Allows loading of unsigned dll using appinit_dll
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Creates an undocumented autostart registry key
Disables Windows Defender (via service or powershell)
Drops executables to the windows directory (C:\Windows) and starts them
Drops large PE files
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 memory information (via WMI often done to detect virtual machines)
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
Suricata IDS alerts for network traffic
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 SheetRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1703021 Sample: injector.exe Startdate: 31/05/2025 Architecture: WINDOWS Score: 100 60 wish-individually.gl.at.ply.gg 2->60 62 raw.githubusercontent.com 2->62 64 github.com 2->64 74 Suricata IDS alerts for network traffic 2->74 76 Found malware configuration 2->76 78 Antivirus detection for dropped file 2->78 80 11 other signatures 2->80 9 injector.exe 17 2->9         started        14 xdwdMalwareDef.exe 1 2->14         started        16 xdwdDefender.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 66 github.com 140.82.113.4, 443, 49763 GITHUBUS United States 9->66 68 raw.githubusercontent.com 185.199.111.133, 443, 49764 FASTLYUS Netherlands 9->68 56 C:\Users\user\...\t4tczli69ol537u6.exe, PE32 9->56 dropped 58 C:\Users\user\...\t4tczli69ol537u6[1].exe, PE32 9->58 dropped 92 Disables Windows Defender (via service or powershell) 9->92 20 t4tczli69ol537u6.exe 1 5 9->20         started        24 cmd.exe 1 9->24         started        26 cmd.exe 1 9->26         started        28 conhost.exe 9->28         started        94 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->94 96 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->96 98 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 14->98 100 Queries memory information (via WMI often done to detect virtual machines) 14->100 file6 signatures7 process8 file9 54 C:\Windows\System32\xdwdDefender.exe, PE32 20->54 dropped 82 Antivirus detection for dropped file 20->82 84 Multi AV Scanner detection for dropped file 20->84 86 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->86 90 9 other signatures 20->90 30 xdwdDefender.exe 1 2 20->30         started        34 cmd.exe 1 20->34         started        36 cmd.exe 1 20->36         started        42 2 other processes 20->42 88 Uses schtasks.exe or at.exe to add and modify task schedules 24->88 38 sc.exe 1 24->38         started        40 sc.exe 1 26->40         started        signatures10 process11 dnsIp12 70 wish-individually.gl.at.ply.gg 147.185.221.28, 49766, 49767, 49768 SALSGIVERUS United States 30->70 72 127.0.0.1 unknown unknown 30->72 102 Antivirus detection for dropped file 30->102 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->104 106 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 30->106 108 2 other signatures 30->108 44 conhost.exe 34->44         started        46 schtasks.exe 1 34->46         started        48 conhost.exe 36->48         started        50 schtasks.exe 1 36->50         started        52 conhost.exe 42->52         started        signatures13 process14
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75/
Threat name:
Win64.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-05-31 17:42:20 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rn3754nfiat3gver5ram6hoqrgyabltuus72vvyraejkyudbxn2q._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:
defense_evasion evasion execution trojan
Link:
https://tria.ge/reports/250531-v9kwaavwdt/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Downloads MZ/PE file
Stops running service(s)
Modifies Windows Defender DisableAntiSpyware settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/25d06826-1c66-49bd-86a4-fd0eea25ac48
Unpacked files
SH256 hash:
8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75
MD5 hash:
db63abf404dd9c0b57aef533e722bec7
SHA1 hash:
e39c6ce5160d483652e5b9d5474f04c5b5803d07
Link:
https://www.unpac.me/results/363b9e14-8030-4a5a-b40d-31f9d2223941/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b77fef1a540/report/overview.html
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/8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:pe_detect_tls_callbacks
Create hunting rule
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.

Web download

SheetRAT

Executable exe 8b77fef1a54027b35491ec40cf1dd089b000ae74a4bfaad7110112ac5061bb75

(this sample)

  
Link
https://tria.ge/250531-v4tw1axqy7/behavioral1
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/6550/

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
CHECK_TRUST_INFORequires Elevated Execution (uiAccess:None)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetTempPathA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegSetValueExA

Comments