Analysis
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max time kernel
128s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 18:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe
Resource
win7-20240903-en
windows7-x64
19 signatures
150 seconds
General
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Target
1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe
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Size
491KB
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MD5
8e58d477356f3f151e1a89f7b8c6d727
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SHA1
5218fb9e3a6862a5fb8b82e3366c34d487215a25
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SHA256
1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8
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SHA512
4af078a3b87678700c2286994bf7deff7e239dd7a8e66993d315e44f77895ec1ce8c69f4dfbee9a5444a9965e1f794dec5372db0a69a8ba853b923626adc6c54
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SSDEEP
6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RU6lZv:oDR+u8pfjYMMWNvdhUSByFPz+v
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2892-2-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2892-3-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2892-5-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2812-14-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2812-16-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2892-20-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2812-25-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2868-27-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2868-28-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2868-31-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral1/memory/2892-2-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2892-4-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2892-3-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2892-5-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2812-14-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2812-16-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2892-20-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2812-25-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2868-27-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2868-28-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2868-31-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Deletes itself 1 IoCs
pid Process 2584 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2812 Skcsk.exe 2868 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) \??\S: Skcsk.exe File opened (read-only) \??\Z: Skcsk.exe File opened (read-only) \??\J: Skcsk.exe File opened (read-only) \??\K: Skcsk.exe File opened (read-only) \??\N: Skcsk.exe File opened (read-only) \??\Q: Skcsk.exe File opened (read-only) \??\W: Skcsk.exe File opened (read-only) \??\X: Skcsk.exe File opened (read-only) \??\Y: Skcsk.exe File opened (read-only) \??\B: Skcsk.exe File opened (read-only) \??\E: Skcsk.exe File opened (read-only) \??\I: Skcsk.exe File opened (read-only) \??\L: Skcsk.exe File opened (read-only) \??\P: Skcsk.exe File opened (read-only) \??\R: Skcsk.exe File opened (read-only) \??\V: Skcsk.exe File opened (read-only) \??\G: Skcsk.exe File opened (read-only) \??\H: Skcsk.exe File opened (read-only) \??\M: Skcsk.exe File opened (read-only) \??\O: Skcsk.exe File opened (read-only) \??\T: Skcsk.exe File opened (read-only) \??\U: Skcsk.exe -
resource yara_rule behavioral1/memory/2892-0-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2892-2-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2892-4-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2892-3-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2892-5-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2812-14-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2812-16-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2892-20-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2812-25-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2868-27-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2868-28-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2868-31-0x0000000010000000-0x00000000101D0000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Skcsk.exe 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe File opened for modification C:\Program Files\Skcsk.exe 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.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 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Skcsk.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2584 cmd.exe 2692 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Skcsk.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Skcsk.exe -
Modifies data under HKEY_USERS 6 IoCs
description ioc Process 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 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 -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2692 PING.EXE -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe 2868 Skcsk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2892 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2892 wrote to memory of 2584 2892 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe 31 PID 2892 wrote to memory of 2584 2892 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe 31 PID 2892 wrote to memory of 2584 2892 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe 31 PID 2892 wrote to memory of 2584 2892 1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe 31 PID 2812 wrote to memory of 2868 2812 Skcsk.exe 32 PID 2812 wrote to memory of 2868 2812 Skcsk.exe 32 PID 2812 wrote to memory of 2868 2812 Skcsk.exe 32 PID 2812 wrote to memory of 2868 2812 Skcsk.exe 32 PID 2584 wrote to memory of 2692 2584 cmd.exe 34 PID 2584 wrote to memory of 2692 2584 cmd.exe 34 PID 2584 wrote to memory of 2692 2584 cmd.exe 34 PID 2584 wrote to memory of 2692 2584 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe"C:\Users\Admin\AppData\Local\Temp\1418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892 -
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\1418BD~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2584 -
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:2692
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C:\Program Files\Skcsk.exe"C:\\Program Files\\Skcsk.exe" -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812 -
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:2868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
491KB
MD58e58d477356f3f151e1a89f7b8c6d727
SHA15218fb9e3a6862a5fb8b82e3366c34d487215a25
SHA2561418bdd8e40e203b71684a9b549be5b2106552a07ede9b0b997012cb7831a9f8
SHA5124af078a3b87678700c2286994bf7deff7e239dd7a8e66993d315e44f77895ec1ce8c69f4dfbee9a5444a9965e1f794dec5372db0a69a8ba853b923626adc6c54