Overview
overview
10Static
static
5OP-5.zip
windows10-2004-x64
10OP-5.zip
windows11-ltsc_2024-x64
10OP-5/NO-5.exe
windows10-2004-x64
10OP-5/NO-5.exe
windows11-ltsc_2024-x64
10OP-5/d3d9core.png
windows10-2004-x64
1OP-5/d3d9core.png
windows11-ltsc_2024-x64
8OP-5/libcef.dll
windows10-2004-x64
3OP-5/libcef.dll
windows11-ltsc_2024-x64
3General
- Target OP-5.zip
- Size 5.1MB
- Sample261026-rlxcmaxsg1
- SHA256 244fd5ecb1fe8ec99bc9006015ad9b42193f9dc6b6dc953fa4e723ca86d7f966
- MD5 1fa04e402f25958d445b646fc460c4a4
- SHA1 e94896e514b78b3c8d81759286b4a4efb707b0b9
- SHA512 21416a047fba8d75e719ea4c76646f039818305291514ccf71c98268e7afc69c6c069e723be77a2901641e4cda9c0556cee989a8edba194834f070bc9f9a3fc9
- SSDEEP 98304:d6x6CM54j/anKwYnxU2xN/9Jj31qAb/y44b4V0xgufUB9kREzZuf:Qx854+wxvrtvb6b4Vs/e9kRE8
- TLSH T1B64623FDDDB941FD75BD2FD9AAA50787154A0EA34DF74C881C8391AEC931EB00170AA2
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
OP-5.zip
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
OP-5.zip
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
OP-5/NO-5.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
OP-5/NO-5.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
OP-5/d3d9core.png
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
OP-5/d3d9core.png
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
OP-5/libcef.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
OP-5/libcef.dll
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
valleyrat_s2
-
156.234.7.14:8001
Targets
-
- Target OP-5.zip
- Size 5.1MB
- SHA256 244fd5ecb1fe8ec99bc9006015ad9b42193f9dc6b6dc953fa4e723ca86d7f966
- MD5 1fa04e402f25958d445b646fc460c4a4
- SHA1 e94896e514b78b3c8d81759286b4a4efb707b0b9
- SHA512 21416a047fba8d75e719ea4c76646f039818305291514ccf71c98268e7afc69c6c069e723be77a2901641e4cda9c0556cee989a8edba194834f070bc9f9a3fc9
- SSDEEP 98304:d6x6CM54j/anKwYnxU2xN/9Jj31qAb/y44b4V0xgufUB9kREzZuf:Qx854+wxvrtvb6b4Vs/e9kRE8
- TLSH T1B64623FDDDB941FD75BD2FD9AAA50787154A0EA34DF74C881C8391AEC931EB00170AA2
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Drops file in Drivers directory
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target OP-5/NO-5.exe
- Size 671KB
- SHA256 85314a24741a27bb969008b91f6f47e08f1a7a761eb9c772da8a608947dbe092
- MD5 15863d6cfaebb1f75461a6c72a0e5376
- SHA1 16247f741a9cb345e1e2ad199f60d4101a34c8ca
- SHA512 a982eaa430a3ab3c5e7d248eef6216d463a349ec407d63a326ba8e67b99d9ef00283ec7ab9db7c14e013c990e21b028611b9ef8341f32e7768dcd54643807fa8
- SSDEEP 12288:27ehokgmoz1Vwy+UGLOMlPGnzM2LE+vomFFb5KSIAWb5sKwIqsr1KMkPwWK7tbG:27jkgmooy+fizM2LE+vomFnvIAWOdsrM
- TLSH T158E47D613642C03ED77210B00D3DDAAE107DF6654F2699DBA3C80E6D5FB42D22E3A667
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Drops file in Drivers directory
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Adds Run key to start application
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target OP-5/d3d9core.ax
- Size 3KB
- SHA256 de00dc70c1f4760b3ff1d6b1d188cc9aab77a31a1c576ca8fe14fffd6a9934bf
- MD5 804f78545b3a17b358ac7ebd2f4daf91
- SHA1 82f35453aa36d54ec6cb2956e76c009c7077a5aa
- SHA512 e2226917c1d9a5cd20e67598eab1bf8261cff49124055b6f3da129261cf59a1463414f9da1fd05e56027d5013da71de57932d4b8ea756d2235106df6a3b4d362
- TLSH T1AE615B71309542EEC29A194D485C994750A93ADEF3FD1A19FCE2CFA4125B411D1AC5FC
- MD5 SHA1 SHA512 TLSH
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target OP-5/libcef.dll
- Size 11.6MB
- SHA256 f8515b0e2a68b677a105ed438062223ac91e61c7796bd6cd83089e1b0591016b
- MD5 122ca07761bd2aadc59f3f344e95aabf
- SHA1 fb6fe73aeff1377b6c1f0b5819f93821be1e207f
- SHA512 d8c33aeb72e6010fa2a67ab69c9ca2b4f2c6225514d53278338c3ac1f74481b89ca56ff8ab1489f24e0e22e53fb73735c4ddc310180c83c7585660e5967f6f20
- SSDEEP 49152:oWQQFCSewjuBfaBpYc47VNR5xBJB/mPLNjUISv8TrVoVAvJE6b8cr2piTZei7aTn:95DyBSBCDVNRoTNoyvhrzav1F3V
- TLSH T1D0C649F2654B73ACC29BCAF3A02C0444364699D112E949F3E5C47A74AFEFD99E214336
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1