Overview
overview
10Static
static
3No.22102026-3.iso
windows10-2004-x64
3No.22102026-3.iso
windows11-ltsc_2024-x64
3Q2.png
windows10-2004-x64
1Q2.png
windows11-ltsc_2024-x64
1check.exe
windows10-2004-x64
10check.exe
windows11-ltsc_2024-x64
10libcef.dll
windows10-2004-x64
3libcef.dll
windows11-ltsc_2024-x64
3rules.yar
windows10-2004-x64
3rules.yar
windows11-ltsc_2024-x64
3stage2.bin
windows10-2004-x64
3stage2.bin
windows11-ltsc_2024-x64
3General
- Target Malware_Sample_ValleyRAT_IRBM_2026-10-22_pw-infected.zip
- Size 639KB
- Sample261023-cjs5vshs2s
- SHA256 426bfd72b3143c76c83bfb3246f820e3cc17902ea04293a35764b67fc635ec3d
- MD5 fbfa39799a1b92f68533ab188b9923e3
- SHA1 855a98cafa744ebe983fadc2450640e158675575
- SHA512 f2e41f05a37012eefd57c25bcb049cab480883409547ab7a5232fb2ad6e44f880435b0e50fb98be47b2fd24f6177fc9bf72795c3e194ae51c6898ef955e787fc
- SSDEEP 12288:8oVp6qutbSvY3exeAFaw59KlsSIUTYFIe4rIsezFcVJaFM:jcquRkYQsw5yTQUYxC
- TLSH T1AED4336D33DD415CC8918DD97A62BE3CC2AC40FF2B712CE40C71DE26E935A3A91585AA
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
No.22102026-3.iso
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
No.22102026-3.iso
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
Q2.png
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
Q2.png
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
check.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
check.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
libcef.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
libcef.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
rules.yar
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
rules.yar
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
stage2.bin
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
stage2.bin
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
valleyrat_s2
-
101.33.117.120:778
Targets
-
- Target No.22102026-3.img
- Size 6.4MB
- SHA256 e09046d3967e4f8a7d44680029d1f19f8e88f668634f7ca4ae6b0e01e21295d2
- MD5 28c9023e93e51dec285b67f19f112b6b
- SHA1 f3739c55d7cea6ee714e3c1d27620d47897e34c6
- SHA512 04add11b1f33bb141243be727b3d68663766fd8ec7365e4775d85c469e8184dc6bc15b942d37271cbf368cb68e5f36c1ed1253d3b9ba4f47d38bcd441f22f23a
- SSDEEP 49152:XIKu0fvnzJ4hs9AWro03TW3FEtshmR99:bXzws9N96E
- TLSH T11A664B77611F2B4DD7BBDAB184FD002A35119EA502934E92AFC46D3CEBCBE44E214726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target Q2
- Size 3KB
- SHA256 0bc6c7b5c8f6d02807bfb74c2508ffcee2f42e9c0f2294f1fcb05a7475f462e9
- MD5 4a7cd6a3fe0d00be384f17c64e5d7aab
- SHA1 06cab8db832a6723404e83bbf73798c968c1814b
- SHA512 afc6099e1cb2bd012c23e4626291b08b51384cd1e21ca1f4f6d2e6cb97fe267b3f43768aefef4a1f8188c7906a714869d48cb167d1495932a90d269e2d8b8385
- TLSH T179611A682499C0DB9DB9213667C07230EC5FADA70CB41B07FE596870C1FF54753A9A29
- MD5 SHA1 SHA512 TLSH
Score1/10 -
- Target check.exe
- Size 253KB
- SHA256 78fc25ed9a673f26eadf03dd5472dc112155138410cd5c81f8b89ccef5bf0736
- MD5 c663ac03855f3e7ff9fde06bd6e24aec
- SHA1 2375e27170527ab4af65919b51079d1953fa4ef4
- SHA512 59102fd9051694953b1935b353e8a5e15b578fe3196d8a30447c7eba1bdf312a2b3ae195d7a11c46ca70365e406a44d1b630bed7a4973a46a434cfef5351ea9f
- SSDEEP 6144:RPLlFC0kFH9n1C75Ej+3CoEeVXoNKz/56XYKJ:RPLldJz/QIKJ
- TLSH T180444B716E8944BEEA93E033CAFD3ABDB2689513573040C77668162C8D105E32F35A6F
- 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
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target libcef.dll
- Size 6.1MB
- SHA256 5de45b44e13a3dcfdb1485786a46822340dc91010adebfceb0c036ea5a49f72c
- MD5 5bdbffdf587c949c2c40189987d00f56
- SHA1 2b0dafcd57c5ecd7e2574f8e379e6e657df15b9b
- SHA512 cbdcc7c9ee95e08c7d10467f765341159bcba0c9eb6f125951167faa279864a53263246e7bfde40e56387b064f24436b851b5737edcff1500f05b6d5eee167d7
- SSDEEP 24576:MUK6BZvnz7SvkPP4h4xSsAnWr6Xd03TR0FRAWNEdClxdnOHse9KAlRSkFeeB8upq:M0fvnzJ4hs9AWro03TW3FEtshmR99
- TLSH T12E563B77611F2B4DD7BBDAB184FD002A35119EA502934E92AFC46D3CEBCBE44E214726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target rules.yar
- Size 1KB
- SHA256 f02004259767b9ab5c7479e8f59b89bab47d77e6c84a1089dc0c998ed734746f
- MD5 52f43b542245abc3935d7b5be7e398ef
- SHA1 363d663cbbade752786b3e21c6459a5391ce0b4c
- SHA512 5309e5206f2c075295ee91415d77c561db3895efdee1f12ccff38f3c9c9a7daf04242eed0aec81b7e30105d4eb0d7762a35059529acd680be5a614d6fd0bcfce
- TLSH T1F6312C073F602A71644E02E05AE3A42829806723B22578B03A0E90DC8F2B93DD5F398C
- MD5 SHA1 SHA512 TLSH
Score3/10 -
- Target stage2.bin
- Size 2KB
- SHA256 5b76b37c13c729133179ac8cbf0bda473ca692e6ba08337eb4bd42e4d2aecf40
- MD5 f1c24def5f3d9e7d2b496a99e7788153
- SHA1 b095b7919d83142d28e6df249d5ddabe2143cf0d
- SHA512 7fa106bca0704183105bfee1e8235861960f87cb82c61f9bb08f29796aca61faebab6414c757d3ee4a9340c2ea1ddf0708e8a6b8e687e67825189c33d7423323
- TLSH T1C141C69A6D8023C9D9F2C87A41CB1233EC7490364C182DC5E3C59316DD12103B05083E
- MD5 SHA1 SHA512 TLSH
Score3/10
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1