Analysis
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max time kernel
128s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-12-2024 07:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe
Resource
win7-20240903-en
windows7-x64
20 signatures
150 seconds
General
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Target
8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe
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Size
491KB
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MD5
57a4c7d812a2602d5581344ed3607ccf
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SHA1
b6fa263a2e24574c33b6ce664b689834e545b5da
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SHA256
8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593
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SHA512
829dc35f6e5c32a83b01d1dcb76a4f2086fdc30dc33ace3cccee4e5aef4a3cf307aab0731bb62a93807505674b6e15d26d6a4dedf317a63071c1de1d11be2f50
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SSDEEP
6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2Rm6lZv:oDR+u8pfjYMMWNvdhUSByFPzAv
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2132-2-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2132-3-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2132-5-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2600-14-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2600-16-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2564-27-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2564-26-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2600-28-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2132-20-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2564-32-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral1/memory/2132-2-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2132-3-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2132-5-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2600-14-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2600-16-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2564-27-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2564-26-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2600-28-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2132-20-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2564-32-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Deletes itself 1 IoCs
pid Process 2616 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2600 Skcsk.exe 2564 Skcsk.exe -
Loads dropped DLL 1 IoCs
pid Process 2600 Skcsk.exe -
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) \??\L: Skcsk.exe File opened (read-only) \??\M: Skcsk.exe File opened (read-only) \??\Q: Skcsk.exe File opened (read-only) \??\S: Skcsk.exe File opened (read-only) \??\W: Skcsk.exe File opened (read-only) \??\E: Skcsk.exe File opened (read-only) \??\K: Skcsk.exe File opened (read-only) \??\X: Skcsk.exe File opened (read-only) \??\N: Skcsk.exe File opened (read-only) \??\P: Skcsk.exe File opened (read-only) \??\O: Skcsk.exe File opened (read-only) \??\T: Skcsk.exe File opened (read-only) \??\U: Skcsk.exe File opened (read-only) \??\V: Skcsk.exe File opened (read-only) \??\Z: Skcsk.exe File opened (read-only) \??\G: Skcsk.exe File opened (read-only) \??\I: Skcsk.exe File opened (read-only) \??\J: Skcsk.exe File opened (read-only) \??\R: Skcsk.exe File opened (read-only) \??\Y: Skcsk.exe File opened (read-only) \??\B: Skcsk.exe File opened (read-only) \??\H: Skcsk.exe -
resource yara_rule behavioral1/memory/2132-0-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2132-2-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2132-3-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2132-5-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2600-14-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2600-16-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2564-27-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2564-26-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2600-28-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2132-20-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2564-32-0x0000000010000000-0x00000000101D0000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Skcsk.exe 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe File created C:\Program Files\Skcsk.exe 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skcsk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skcsk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2616 cmd.exe 2496 PING.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 Skcsk.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Skcsk.exe -
Modifies data under HKEY_USERS 6 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Skcsk.exe Key created \REGISTRY\USER\.DEFAULT\Software Skcsk.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft Skcsk.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie Skcsk.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum Skcsk.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" Skcsk.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2496 PING.EXE -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe 2564 Skcsk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2132 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2132 wrote to memory of 2616 2132 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe 29 PID 2132 wrote to memory of 2616 2132 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe 29 PID 2132 wrote to memory of 2616 2132 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe 29 PID 2132 wrote to memory of 2616 2132 8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe 29 PID 2600 wrote to memory of 2564 2600 Skcsk.exe 30 PID 2600 wrote to memory of 2564 2600 Skcsk.exe 30 PID 2600 wrote to memory of 2564 2600 Skcsk.exe 30 PID 2600 wrote to memory of 2564 2600 Skcsk.exe 30 PID 2616 wrote to memory of 2496 2616 cmd.exe 32 PID 2616 wrote to memory of 2496 2616 cmd.exe 32 PID 2616 wrote to memory of 2496 2616 cmd.exe 32 PID 2616 wrote to memory of 2496 2616 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe"C:\Users\Admin\AppData\Local\Temp\8d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\8D24CC~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2496
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C:\Program Files\Skcsk.exe"C:\\Program Files\\Skcsk.exe" -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Program Files\Skcsk.exe"C:\Program Files\Skcsk.exe" -acsi2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2564
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
491KB
MD557a4c7d812a2602d5581344ed3607ccf
SHA1b6fa263a2e24574c33b6ce664b689834e545b5da
SHA2568d24cc3783abd1e6878595186255c679af143e3e096380e18d3f9a4d543d7593
SHA512829dc35f6e5c32a83b01d1dcb76a4f2086fdc30dc33ace3cccee4e5aef4a3cf307aab0731bb62a93807505674b6e15d26d6a4dedf317a63071c1de1d11be2f50