Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 16:53
Behavioral task
behavioral1
Sample
eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.dll
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Size
437KB
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MD5
7e3bade6f2e7cf4899b1d07f92200558
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SHA1
1b0b56ba25c4f643012abf6aa6e2fcf7212c3743
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SHA256
eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a
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SHA512
f6901d232e03ca8c3fbce3db842c666cfe08269b1bd336574fc0afff5d29e4ce3f6a15533c456c9756db0c9228dc75553c4e16230dfa2f2ebccaaec03a567b06
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WZ:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSD
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2972-18-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2972-20-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2972-18-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2972-20-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2100 created 428 2100 rundll32.exe 5 -
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) \??\V: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2100 set thread context of 2972 2100 rundll32.exe 31 -
resource yara_rule behavioral1/memory/2100-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2100-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2100-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2100-0-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2972-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2972-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2972-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2972-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2972-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2972-15-0x0000000000400000-0x0000000000543000-memory.dmp upx -
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 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum 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\Microsoft 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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2100 rundll32.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe 2972 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2100 rundll32.exe Token: 33 2972 svchost.exe Token: SeIncBasePriorityPrivilege 2972 svchost.exe Token: 33 2972 svchost.exe Token: SeIncBasePriorityPrivilege 2972 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2104 wrote to memory of 2100 2104 rundll32.exe 30 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 rundll32.exe 31 PID 2100 wrote to memory of 2972 2100 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:2972
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.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:2100
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