Analysis
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max time kernel
150s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
18-08-2024 05:42
Behavioral task
behavioral1
Sample
c2ac9ae7e4a3f2735566da759928234270794280ee5e98f0f3d935441ae06c39.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
150 seconds
General
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Target
c2ac9ae7e4a3f2735566da759928234270794280ee5e98f0f3d935441ae06c39.dll
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Size
437KB
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MD5
b624fb562137191ec7ce772da120c4d4
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SHA1
86ddebefc66914d399f5c5d99188c64d90ee380f
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SHA256
c2ac9ae7e4a3f2735566da759928234270794280ee5e98f0f3d935441ae06c39
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SHA512
35c297b1952139d4262e82ab8f2e4361fcdc6cacb557d4e4a38fa382dac5320ae8a0cf5acdb41deed3e433bd0735a4462f46b6148583042e4174a639f37784cc
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WH:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSd
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2240-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2240-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2240-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2240-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 1120 created 420 1120 rundll32.exe 5 PID 1120 created 420 1120 rundll32.exe 5 -
resource yara_rule behavioral1/memory/1120-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1120-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1120-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2240-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2240-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2240-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2240-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2240-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2240-17-0x0000000000400000-0x0000000000543000-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) \??\M: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1120 set thread context of 2240 1120 rundll32.exe 30 -
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\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum 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\Connections svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1120 rundll32.exe 1120 rundll32.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe 2240 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1120 rundll32.exe Token: SeDebugPrivilege 1120 rundll32.exe Token: 33 2240 svchost.exe Token: SeIncBasePriorityPrivilege 2240 svchost.exe Token: 33 2240 svchost.exe Token: SeIncBasePriorityPrivilege 2240 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 2256 wrote to memory of 1120 2256 rundll32.exe 29 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2240 1120 rundll32.exe 30 PID 1120 wrote to memory of 2504 1120 rundll32.exe 31 PID 1120 wrote to memory of 2504 1120 rundll32.exe 31 PID 1120 wrote to memory of 2504 1120 rundll32.exe 31 PID 1120 wrote to memory of 2504 1120 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:420
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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:2240
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:2504
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c2ac9ae7e4a3f2735566da759928234270794280ee5e98f0f3d935441ae06c39.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c2ac9ae7e4a3f2735566da759928234270794280ee5e98f0f3d935441ae06c39.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:1120
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