General
- Target Setup.exe
- Size 1.8MB
- Sample260927-eelw4ayblf
- SHA256 594033ed58e27b42bb1bef7e5b21eac87f0d660c7cc3d48881a2e5575e3ac811
- MD5 d3cea61538aa5030e90a1d38cca762b4
- SHA1 dd39fafbdba994169991cea092c6428e1d3b1539
- SHA512 9672ce4ba4bef67039cbd5274a7e3e6010261d961b5eb2c45df254397b567923d72c40130ec7524cb15fcc6d32b5a50908f870329568c6830fe10916144f9af3
- SSDEEP 49152:pJ1O7EpfelenkVglN5suzIEUP7ZmQNRBDXG+Chg9GPcPIvGqgu/2JZfy:pSVqkVglN5ye+m9cPW
- TLSH T1A4857D71279BC43AC57E80B02529FDBF943D5D269F5598C3A3D87D1E29384C21B32B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
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acrstealer
Extracted
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acrstealer
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4.4.3-alpha1
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googlesyndication.com
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ddrs
https://telegra.ph/String-Methods-08-01
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guids
019fd862-6a3a-7ae0-9126-4c50bf4131ad
f1575b64-8492-4e8b-b102-4d26e8c70371
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36
Targets
-
- Target Setup.exe
- Size 1.8MB
- SHA256 594033ed58e27b42bb1bef7e5b21eac87f0d660c7cc3d48881a2e5575e3ac811
- MD5 d3cea61538aa5030e90a1d38cca762b4
- SHA1 dd39fafbdba994169991cea092c6428e1d3b1539
- SHA512 9672ce4ba4bef67039cbd5274a7e3e6010261d961b5eb2c45df254397b567923d72c40130ec7524cb15fcc6d32b5a50908f870329568c6830fe10916144f9af3
- SSDEEP 49152:pJ1O7EpfelenkVglN5suzIEUP7ZmQNRBDXG+Chg9GPcPIvGqgu/2JZfy:pSVqkVglN5ye+m9cPW
- TLSH T1A4857D71279BC43AC57E80B02529FDBF943D5D269F5598C3A3D87D1E29384C21B32B2A
- MD5 SHA1 SHA512 SSDEEP TLSH
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Detects SectopRAT aka Arechclient2
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Family: ACR stealer,GrMsk
ACR stealer (aka GrMsk stealer) is an infostealer written in C++.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Executes dropped EXE
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Registers new Windows logon scripts automatically executed at logon.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Access Token Manipulation
1Parent PID Spoofing
1Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Process Injection
1Defense Evasion
Access Token Manipulation
1Parent PID Spoofing
1Debugger Evasion
1Process Injection
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Discovery
Browser Information Discovery
1Debugger Evasion
1Peripheral Device Discovery
1Query Registry
5System Information Discovery
4System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1System Time Discovery
1