General
- Target a550019a6490
- Size 226KB
- Sample261030-g5j7asdf57
- SHA256 e7db338d34e00533b9f5bd8d79b583908b8d3cf2002e84c285861b4145ffe1ef
- MD5 db36fa0eddb6945230ef17a29acaa564
- SHA1 d873470cb49485e277e49a19d40a4c93bcb5deab
- SHA512 5db78965c564080298ecfc487947548a853c5c1d42f7a057dc4de2a8f6e096fcd101d68323975a87ffb95da60de47c65d169c2852c87e7c8955198069ad65556
- SSDEEP 6144:Hb2RBtseKrDxCQpQ/3R2XGerz0m7fn3Fp6+oFh:7QBIMyEcXGeJfP3M
- TLSH T1BF34832439C0A666128DDCB72C411C1DA9C9F577E3876C4D79CF49C5AF879B88AEC838
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
a550019a6490.ps1
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
a550019a6490.ps1
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
acrstealer
-
4.5.3-alpha1
-
smtp.briskgrab.cc
-
cloudflare.com
-
guids
019fd851-d0e2-7805-ae09-2dd1daa78960
f1575b64-8492-4e8b-b102-4d26e8c70371
-
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 a550019a6490
- Size 226KB
- SHA256 e7db338d34e00533b9f5bd8d79b583908b8d3cf2002e84c285861b4145ffe1ef
- MD5 db36fa0eddb6945230ef17a29acaa564
- SHA1 d873470cb49485e277e49a19d40a4c93bcb5deab
- SHA512 5db78965c564080298ecfc487947548a853c5c1d42f7a057dc4de2a8f6e096fcd101d68323975a87ffb95da60de47c65d169c2852c87e7c8955198069ad65556
- SSDEEP 6144:Hb2RBtseKrDxCQpQ/3R2XGerz0m7fn3Fp6+oFh:7QBIMyEcXGeJfP3M
- TLSH T1BF34832439C0A666128DDCB72C411C1DA9C9F577E3876C4D79CF49C5AF879B88AEC838
- MD5 SHA1 SHA512 SSDEEP TLSH
Family: ACR stealer,GrMsk
ACR stealer (aka GrMsk stealer) is an infostealer written in C++.
Suspicious use of NtCreateUserProcessOtherParentProcess
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Access Token Manipulation
1Parent PID Spoofing
1Process Injection
1Defense Evasion
Access Token Manipulation
1Parent PID Spoofing
1Process Injection
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3