MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f. 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: 7

Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash:	55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f
SHA3-384 hash:	097402bffb5ce9a655daa1ae46955bf414162b648fbc3303d96a890d627b9b9202a460e6d8f1d1cd36ce2dad7d8398eb
SHA1 hash:	02931ea9da3100f3383a78c4276d76fc3e034907
MD5 hash:	68d9d1fafb5beeeda1e47ba880142c6a
humanhash:	xray-vegan-eighteen-nebraska
File name:	secondfast.exe
Download:	download sample
Signature	ACRStealer Create hunting rule
File size:	642'048 bytes
First seen:	2026-09-13 17:52:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3da0ac26c28ed95d9554b0350c2df1a2 (1 x ACRStealer)
ssdeep	12288:WPHg8MRvqNI2MyfLeA1Vt6EvTiLk2p83LEIbXmesXP8dNxR8FF4:WP1siNIFy5Vt6EvT12yb5bXTUFF4
TLSH	T168D4F17271D127F8E87FE4378D990605CBFA79710B2041FB42A42A560E37AED6E39B11
TrID	37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika	pebin
Reporter	aachum
Tags:	ACRStealer dropped-by-OffLoader exe

iamaachum

http://startvsgame.com/secondfast.exe

Intelligence

File Origin

# of uploads :

# of downloads :

158

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Suspicious activity

Analysis date:

2026-09-13 18:00:25 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/61269619-6800-4f31-8f47-2359e17bd32c

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/85268/

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm microsoft_visual_cc

Link:

https://www.filescan.io/uploads/6aa6e2d0a4a334b82b55f887/reports/1fd3c636-3fdd-4c8e-b726-3657c58b4b5d/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/32b2cebc-8488-4ce9-80b1-ae9ee6d780e9

Result

Threat name:

ACR Stealer

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1972378

Signature

Allocates memory in foreign processes

Creates a thread in another existing process (thread injection)

Found many strings related to Crypto-Wallets (likely being stolen)

Injects a PE file into a foreign processes

Injects code into the Windows Explorer (explorer.exe)

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

Suspicious access to claude desktop data directory by non-Claude process

System process connects to network (likely due to code injection or exploit)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Tries to steal Instant Messenger accounts or passwords

Tries to steal Mail credentials (via file / registry access)

Writes to foreign memory regions

Yara detected ACR Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/68d9d1fafb5beeeda1e47ba880142c6a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kxgt2nx5zrmac2tehgbvpmwjojfamdnj6dijezxfg6tb5skvfzhq._file

Result

Malware family:

n/a

Score:

6/10

Tags:

discovery spyware

Link:

https://tria.ge/reports/260913-wftrrsttex/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

System Time Discovery

Drops file in Program Files directory

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Unpacked files

SH256 hash:

55cd3d36fdcc58016a64398357b2c9724a060da9f0d09266e537a61ec9552e4f

MD5 hash:

68d9d1fafb5beeeda1e47ba880142c6a

SHA1 hash:

02931ea9da3100f3383a78c4276d76fc3e034907

Link:

https://www.unpac.me/results/60bee9ad-9c47-48b5-bac1-d6573c13e415/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/55cd3d36fdcc/report/overview.html

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.