General
- Target 01082026_1628_01082026_Claude��max����bug-claude.lnk.zip
- Size 4KB
- Sample260801-ty25rade75
- SHA256 896c633b36b8776caa15e1c78d7935bd2d2a8db8d6e6ccecd867a1f0986df7ba
- MD5 9ccf37797cec0e48d0050cf88c61528d
- SHA1 be6b4cae56686bc0e9da8c3184d5ee722d10bc00
- SHA512 36ef3ea3e4b1f23fef03949c357dce7d5dbab6d6c0d01c3c6fbf141ff1ea95763066263860e2131f04218fe214b5f80cdda483c1171e2ede5b9a3a84c4602695
- SSDEEP 96:G2cNkXA74KMwTsMazDSRauVNKHFb2cNkXA74KMwTsMazDSRauVNKHFC/:G2uku4Ji4APmh2uku4Ji4APmk/
- TLSH T1E6811CB64D85BD01C5DDAABD520A2807F0D5F60534C08544FAA9ACEBCCCF60D98CE8E9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Claudemaxbug/claude.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Claudemaxbug/claude.lnk
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral3
Sample
Claudemaxbug/max.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Claudemaxbug/max.lnk
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
118.107.43.220:8080
-
118.107.43.220:8888
-
campaign_date
2026. 7.31
Targets
-
- Target Claudemaxbug/claude.lnk
- Size 6KB
- SHA256 101ca72ea83c5a7137c3b2c7dabad0d1bc5760710926844b6f52749f4b191eb3
- MD5 bef19edf84c544d53f9cfe3a2f80596b
- SHA1 77c97ea8f29986482e43a9a39bb902c7c5c0086e
- SHA512 a06b1b6d6056c8d3f1b53a201d681c704098f061d3117e50b236f68e003e2f5638b014b740d28dc42c57fc9d764785b3902f1875e4671ce67bb7318daf05bbb3
- SSDEEP 192:85vXWS4QPJ6WCPJYPJKSqPODJ5povpVmvVbIpy9UaWgLAgjs:8vGSXPJ6WCPJYPJKSpn5yOiJ4s
- TLSH T135E1C1502DEB10CCF1775B702BC8BAF70A96F4B5692EB2F420418A484771AC5DCB2E79
- MD5 SHA1 SHA512 SSDEEP TLSH
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Looks for VMWare Tools registry key
Looks for VMWare services registry key.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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.
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
Suspicious use of SetThreadContext
-
- Target Claudemaxbug/max.lnk
- Size 6KB
- SHA256 101ca72ea83c5a7137c3b2c7dabad0d1bc5760710926844b6f52749f4b191eb3
- MD5 bef19edf84c544d53f9cfe3a2f80596b
- SHA1 77c97ea8f29986482e43a9a39bb902c7c5c0086e
- SHA512 a06b1b6d6056c8d3f1b53a201d681c704098f061d3117e50b236f68e003e2f5638b014b740d28dc42c57fc9d764785b3902f1875e4671ce67bb7318daf05bbb3
- SSDEEP 192:85vXWS4QPJ6WCPJYPJKSqPODJ5povpVmvVbIpy9UaWgLAgjs:8vGSXPJ6WCPJYPJKSpn5yOiJ4s
- TLSH T135E1C1502DEB10CCF1775B702BC8BAF70A96F4B5692EB2F420418A484771AC5DCB2E79
- MD5 SHA1 SHA512 SSDEEP TLSH
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Looks for VMWare Tools registry key
Looks for VMWare services registry key.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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.
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Virtualization/Sandbox Evasion
2