MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8e0300cf9eccdc1225289fa643514c9aa006d29b35a16ba97f57bcd168deafd0. 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: 13
| SHA256 hash: | 8e0300cf9eccdc1225289fa643514c9aa006d29b35a16ba97f57bcd168deafd0 |
|---|---|
| SHA3-384 hash: | 417955a709c7acfe2a6032c97c57f049a62313d4e3e599bfe1b2aef8894420a580bc183423aea588bb88f3d1ae283b90 |
| SHA1 hash: | db49977076537a449b6ef10556c317ab1b13043b |
| MD5 hash: | 1f75cb137ec2c546b8b825d243cd0e4b |
| humanhash: | thirteen-virginia-river-mirror |
| File name: | RtkAudioService.exe |
| Download: | download sample |
| Signature | ACRStealer |
| File size: | 666'112 bytes |
| First seen: | 2026-10-06 11:52:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | 9b760feffec4fca9c313889f9a05ee36 (1 x CobaltStrike, 1 x ACRStealer) |
| ssdeep | 12288:28ki9TBYBAbKzD8er24K7mI5ivw07X9TWXUsSeft+:28fHCD8erzI4w0r9mUsSef0 |
| TLSH | T1E6E49E85E2C383F1CCC364B6761FB33BABB16D15C435DECADBE124929933250695B8A1 |
| TrID | 21.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 21.2% (.EXE) Win64 Executable (generic) (6522/11/2) 16.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 14.6% (.EXE) Win32 Executable (generic) (4504/4/1) 6.6% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  MaciekG |
| Tags: | ACRStealer AmateraStealer ClearFake ClickFix exe |
MaciekG
Amatera Stealer 4.4.5-alpha1 final payload (PE32, masquerades as Realtek RtkAudioService.exe 10.0.19044.3684, one import, FNV-1a API hashing, per-string encrypted config with splitmix64 keystream). Decrypted statically from the loader below and confirmed live in a lab detonation (browser/Firefox/Steam collection, C2 connection). Chain (lab, 2026-10-05/06): ClearFake/ClickFix PowerShell from foxdale[.]cc / brambly[.]world (install.ps1/cinstall.ps1, gzip + XOR 'AMSI_RESULT_NOT_DETECTED' + custom base85) -> 284 KB Donut-like x86 shellcode (plaintext instance at +5, XOR 128 B key, aPLib) injected Early Bird APC into suspended MicrosoftEdgeUpdate.exe -> Amatera Stealer 4.4.5-alpha1 (ACR rebrand), campaign marker GETWELL, build GUID f1575b64-8492-4e8b-b102-4d26e8c70371, C2 metrics.palefox[.]cc (Cloudflare) + DoH fallback 8.8.8.8/dns-query.Intelligence
File Origin
# of uploads :
1
# of downloads :
223
Origin country :
PLVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-06 12:00:04 UTC
Tags:
stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.1%
Tags:
virus shell blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context masquerade packed
Verdict:
Malicious
Labled as:
Yogi.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-06T09:02:00Z UTC
Last seen:
2026-10-07T21:33:00Z UTC
Hits:
~100
Detections:
Exploit.Win64.CVE-2024-38193.bj Exploit.Win64.CVE-2024-38193.sb
Verdict:
Malicious
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Yogi
Status:
Malicious
First seen:
2026-10-06 11:52:20 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
Amatera
Result
Malware family:
acrstealer
Score:
10/10
Tags:
family:acrstealer defense_evasion discovery execution persistence privilege_escalation spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Command and Scripting Interpreter: PowerShell
Enumerates connected drives
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
metrics.palefox.cc
Unpacked files
SH256 hash:
8e0300cf9eccdc1225289fa643514c9aa006d29b35a16ba97f57bcd168deafd0
MD5 hash:
1f75cb137ec2c546b8b825d243cd0e4b
SHA1 hash:
db49977076537a449b6ef10556c317ab1b13043b
Malware family:
ACRStealer
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | HeavensGate |
|---|---|
| Author: | kevoreilly |
| Description: | Heaven's Gate: Switch from 32-bit to 64-mode |
| Rule name: | WIN_Malware_Unknown_ForgeAuto_e15fb2ad |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects Unknown (pe, etat binaire) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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