Analysis
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max time kernel
150s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-09-2024 17:35
Behavioral task
behavioral1
Sample
090cfb72b72fb2f4e8d5dfb68da909f5003a5745d7f93438685edbac4a982bb5.dll
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
General
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Target
090cfb72b72fb2f4e8d5dfb68da909f5003a5745d7f93438685edbac4a982bb5.dll
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Size
437KB
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MD5
cb7c631a215dcb9631706e647b72881d
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SHA1
644bd9a8eba7f37067c733dc8d79b595b70dc836
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SHA256
090cfb72b72fb2f4e8d5dfb68da909f5003a5745d7f93438685edbac4a982bb5
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SHA512
67b687bb3f70f049ba9a78aa81b815ea7677be1e5e8e2b428434a1af667b58cf1908d0670adb9d9fb5eb35a802d8908407a55d08c61009c22d310a5a048be155
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wg:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoS6
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1876-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/1876-23-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/1876-38-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/1876-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/1876-23-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/1876-38-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2528 created 428 2528 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2528-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2528-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2528-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1876-20-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1876-38-0x0000000000400000-0x0000000000543000-memory.dmp upx -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\N: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2528 set thread context of 1876 2528 rundll32.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Modifies data under HKEY_USERS 12 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2528 rundll32.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe 1876 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2528 rundll32.exe Token: 33 1876 svchost.exe Token: SeIncBasePriorityPrivilege 1876 svchost.exe Token: 33 1876 svchost.exe Token: SeIncBasePriorityPrivilege 1876 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 1712 wrote to memory of 2528 1712 rundll32.exe 30 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31 PID 2528 wrote to memory of 1876 2528 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:428
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1876
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\090cfb72b72fb2f4e8d5dfb68da909f5003a5745d7f93438685edbac4a982bb5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\090cfb72b72fb2f4e8d5dfb68da909f5003a5745d7f93438685edbac4a982bb5.dll,#12⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528
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