MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f999449aa7ec3fd4d6568c9234155a9420846b13b1c83a84eb9e259d724e426a. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash: f999449aa7ec3fd4d6568c9234155a9420846b13b1c83a84eb9e259d724e426a
SHA3-384 hash: 4bf977a48b73106b5df44e0ce5bf241f23952773b002f934effdf8c8cb964da07d26267d0cc3aca138e8315787a7197e
SHA1 hash: 0bc817b263a33c06c7ca9101d7442aed865d922a
MD5 hash: c35e65ff57740b9e7c7342650501fceb
humanhash: california-kilo-bulldog-tango
File name:SecuriteInfo.com.Win32.Trojan.Agent.76OBD3.27317.25612
Download: download sample
Signature ACRStealer
File size:3'928'008 bytes
First seen:2025-05-31 18:30:55 UTC
Last seen:2025-05-31 19:20:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f2e91a981f85c2f7a4004868172fd4fc (1 x ACRStealer)
ssdeep 98304:/iyQafP6k0/Cht9GN51Q3fSq2pQ9c1cfq1:ayVW2iLQvSq2pQ9pfq1
TLSH T145064A115F81C436D36F1E7A5C1A87E56B25FE351A20884A2AF73B1C7B39B81B9243D3
TrID 31.7% (.EXE) Win64 Executable (generic) (10522/11/4)
30.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
13.5% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
6.1% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon b2f0ccd4d44d7094 (2 x ACRStealer, 1 x LummaStealer)
Reporter SecuriteInfoCom
Tags:ACRStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
341
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-05-31 18:02:21 UTC
Tags:
amadey botnet stealer loader rdp github auto-reg ultravnc rmm-tool telegram lumma arch-doc vidar stealc delphi gcleaner purecrypter netreactor redline evasion sectoprat arechclient2 rat autoit auto generic arch-exec advancedinstaller

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
injection dropper smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Forced shutdown of a browser
Result
Threat name:
ACR Stealer, HTMLPhisher
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Allocates memory in foreign processes
Contains functionality to hide a thread from the debugger
Creates HTML files with .exe extension (expired dropper behavior)
Drops PE files to the user root directory
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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 from password manager
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected ACR Stealer
Yara detected BlockedWebSite
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1703035 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 31/05/2025 Architecture: WINDOWS Score: 100 42 Suricata IDS alerts for network traffic 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Yara detected ACR Stealer 2->46 48 3 other signatures 2->48 7 SecuriteInfo.com.Win32.Trojan.Agent.76OBD3.27317.25612.exe 10 2->7         started        process3 dnsIp4 40 172.67.202.142, 443, 49723, 49724 CLOUDFLARENETUS United States 7->40 32 C:\Users\user\hjksfth.exe\sdHookpp.32.dll, PE32 7->32 dropped 34 C:\Users\user\hjksfth.exe34ahimic.exe, PE32 7->34 dropped 36 C:\Users\user\hjksfio.exe, PE32 7->36 dropped 38 C:\Users\user\hjksfun.exe, HTML 7->38 dropped 50 Tries to steal Mail credentials (via file registry) 7->50 52 Creates HTML files with .exe extension (expired dropper behavior) 7->52 54 Found many strings related to Crypto-Wallets (likely being stolen) 7->54 56 12 other signatures 7->56 12 chrome.exe 7->12         started        14 chrome.exe 7->14         started        16 chrome.exe 7->16         started        18 chrome.exe 7->18         started        file5 signatures6 process7 process8 20 WerFault.exe 16 12->20         started        22 WerFault.exe 16 12->22         started        24 WerFault.exe 16 14->24         started        26 WerFault.exe 16 14->26         started        28 WerFault.exe 16 16->28         started        30 WerFault.exe 16 16->30         started       
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-31 18:31:40 UTC
File Type:
PE (Exe)
Extracted files:
74
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f999449aa7ec3fd4d6568c9234155a9420846b13b1c83a84eb9e259d724e426a
MD5 hash:
c35e65ff57740b9e7c7342650501fceb
SHA1 hash:
0bc817b263a33c06c7ca9101d7442aed865d922a
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:Borland
Author:malware-lu
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:with_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Web download

ACRStealer

Executable exe f999449aa7ec3fd4d6568c9234155a9420846b13b1c83a84eb9e259d724e426a

(this sample)

  
Delivery method
Distributed via web download

Comments