General
- Target PrysMax v2.0.rar
- Size 4.3MB
- Sample260912-rrmelsdb69
- SHA256 5d35c3a83890ef3c0fcad1b1c56d992d501c81d8cce855fc636ac813cc2a306f
- MD5 3e8b385e967c25a1537ad64ea41b4c53
- SHA1 b8426523fe4ad0c1d6b5c717b1c90a6a60ce4707
- SHA512 0250aa83b86a20888e6b20d8b512e4e8cc81f53c7d35c848a7c017bb9af6d119c53e6360375b5567f251b2442163a847e79bdde0b5cbd180fa41eceea8e4206c
- SSDEEP 98304:aUoKfwIse7BMHLUYoOOEtV1GXd8L1L1Ai7Akb:amfwIRB0UYBOwV+41L1l
- TLSH T1522633E8DFEA1839F6EC9845C2421AD11FD91FC2A527736E506EC5076374E2837F218A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
PrysMax v2.0.rar
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
PrysMax v2.0/BuilderV2.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral3
Sample
PrysMax v2.0/dbghelp.dll
Resource
win10v2004-20260911-en
Malware Config
Targets
-
- Target PrysMax v2.0.rar
- Size 4.3MB
- SHA256 5d35c3a83890ef3c0fcad1b1c56d992d501c81d8cce855fc636ac813cc2a306f
- MD5 3e8b385e967c25a1537ad64ea41b4c53
- SHA1 b8426523fe4ad0c1d6b5c717b1c90a6a60ce4707
- SHA512 0250aa83b86a20888e6b20d8b512e4e8cc81f53c7d35c848a7c017bb9af6d119c53e6360375b5567f251b2442163a847e79bdde0b5cbd180fa41eceea8e4206c
- SSDEEP 98304:aUoKfwIse7BMHLUYoOOEtV1GXd8L1L1Ai7Akb:amfwIRB0UYBOwV+41L1l
- TLSH T1522633E8DFEA1839F6EC9845C2421AD11FD91FC2A527736E506EC5076374E2837F218A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score1/10 -
- Target PrysMax v2.0/BuilderV2.exe
- Size 7.9MB
- SHA256 8202e43c0bb77a0f1ca920f2ddd4728e731dad431a16f4d15202fcce1c753be8
- MD5 7c0979b4e94dab6fa2b34ab39772d837
- SHA1 499d5b0f8198c236c48a4a9f6355b8fd3b77d76c
- SHA512 b898ed59f8a9de1eca7fc2d08e1fd0a4d676b882db0101771bbe41afc892495c3c06a2b26da943617dcf95292bfdd28a11123e18fa296a3d5a588781089b6417
- SSDEEP 98304:j1F8cGm/E93/60qE8ISrYN6fjwhbulnAd822GaYHc6wu:jXGmU/6u8ISM6UenAdsMHv5
- TLSH T1A1869D5372FA02EDE0BAD178CA168923E77278454331BADF069095396F23BE15E3D712
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Executes dropped EXE
-
Loads dropped DLL
-
Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Checks whether UAC is enabled
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
- Target PrysMax v2.0/dbghelp.dll
- Size 1.5MB
- SHA256 9b5a2b7257a41739acea0a4d8b74d8bebd4789c3d85f5025045d0d68a7e67653
- MD5 aaf50e60fd1ae7295a554c2e25cf3096
- SHA1 e09ed900b889d1aa73c34c3a76f8cf08f08f0956
- SHA512 7694c20b68496ea09ee73366b20da6f1cdc869a5bd0ab8f1a97d217191538b0d4ec4abcf9bedd93e6f41a3e2b21f20c07c322e6ef872809178f85a170e48e3ff
- SSDEEP 49152:dr5tDWQVh6XgaxbGeKOJC1vaUi3pbfQ89:YHKOJC1/wbZ
- TLSH T1DB756B03F69585EAC45EC0B8C7579237FB72788A0B34B2EB67C41A353E66F902A1D354
- MD5 SHA1 SHA512 SSDEEP TLSH
Score1/10
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Obfuscated Files or Information
1Command Obfuscation
1Virtualization/Sandbox Evasion
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3