MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63c66e2dbbd3d4b77035137d92fbebea562771d2ec15b0d4ba7b16d9b77e512a. 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



ACRStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 19 File information Comments

SHA256 hash: 63c66e2dbbd3d4b77035137d92fbebea562771d2ec15b0d4ba7b16d9b77e512a
SHA3-384 hash: 266b3e9d519132c2ddd9310d341fefa63311a12ae70bab73435e100067facacbcf20f45eaa9871880b2ff4f93518ed98
SHA1 hash: cec0fde97b600ab58b46b2fc37c27161c0cb8d8b
MD5 hash: 999ad703d741c9a04e35d287e763b372
humanhash: victor-fifteen-freddie-romeo
File name:wke.dll
Download: download sample
Signature ACRStealer
File size:18'437'768 bytes
First seen:2026-03-17 20:04:18 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 0bf4447fda89303e8c2644bb6df92eb9 (9 x ACRStealer, 2 x AmateraStealer)
ssdeep 196608:oQke5A05AXFN3delxDtPAFGfcn+hr71WDpnA7c+JCvsSKMs4I:oYA0aFsDXcn+B71sBA4+JC9KMsB
Threatray 21 similar samples on MalwareBazaar
TLSH T1C507BE23AD808274E5CA91FE83FD3B2A896D9D05033991C799C83C985B319E63B3D757
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter aachum
Tags:109-107-166-221 ACRStealer dll dllHijack


Avatar
iamaachum
https://findsbestmacs.org/ => https://mega.nz/file/6tAyXBLT#bqQDXhJ2EoVn1R44b2cfK660045wIPYF9C5xr4srqoY

ACRStealer C2: 109.107.166.221

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
ES ES
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
shellcode smtp
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 crypto datper expand expired-cert explorer fingerprint invalid-signature lolbin microsoft_visual_cc overlay packed packed signed
Verdict:
Malicious
File Type:
dll x32
Detections:
Trojan.Win32.Shelma.sb Trojan.Win32.Shelma.chsb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1885167 Sample: wke.dll Startdate: 17/03/2026 Architecture: WINDOWS Score: 48 23 Multi AV Scanner detection for submitted file 2->23 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 rundll32.exe 7->11         started        13 rundll32.exe 7->13         started        15 27 other processes 7->15 process5 17 rundll32.exe 9->17         started        19 WerFault.exe 20 16 11->19         started        21 WerFault.exe 16 13->21         started       
Gathering data
Threat name:
Win32.Trojan.GiantMidie
Status:
Malicious
First seen:
2026-03-17 20:03:32 UTC
File Type:
PE (Dll)
Extracted files:
15
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
63c66e2dbbd3d4b77035137d92fbebea562771d2ec15b0d4ba7b16d9b77e512a
MD5 hash:
999ad703d741c9a04e35d287e763b372
SHA1 hash:
cec0fde97b600ab58b46b2fc37c27161c0cb8d8b
SH256 hash:
24c08bb2575dbfa7e34b704ff6f26bf723fbe382fbb5b3b00da5bdd22f76419e
MD5 hash:
9913500e0fc9e40a871ac123bf9b1f2c
SHA1 hash:
172cfc773906e520e305ce2265c0a8458bf51e9c
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

Web download

ACRStealer

DLL dll 63c66e2dbbd3d4b77035137d92fbebea562771d2ec15b0d4ba7b16d9b77e512a

(this sample)

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