gh0strat | 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce

General

Target

29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
Size

1.9MB
MD5

05258c560c2cba1b8b59b3db4e612da6
SHA1

34f9bff2a5b66e311017f00e09c954cfbbd66f8a
SHA256

29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce
SHA512

759f59b381641fa8ca95a35dea8bfe85872cfe576892bc03ebc6c50dda43db734876f320dd6d85a6d57fa23c060920c655d09488712be9e7376433d634600259
SSDEEP

24576:hM8wcsjBocoT3cgEeqroaV3NSPDo7gKVbZETckLZzzb78QREND:ySbfMhywSZ7LE

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1680-0-0x0000000010000000-0x000000001019E000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-10-0x0000000010000000-0x000000001019E000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1680-0-0x0000000010000000-0x000000001019E000-memory.dmp	family_gh0strat
behavioral1/memory/2940-10-0x0000000010000000-0x000000001019E000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	Phxph.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	Phxph.exe

Deletes itself 1 IoCs

pid	Process
2796	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2940	Phxph.exe

Loads dropped DLL 1 IoCs

pid	Process
1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	Phxph.exe
File opened (read-only)	\??\N:	Phxph.exe
File opened (read-only)	\??\O:	Phxph.exe
File opened (read-only)	\??\B:	Phxph.exe
File opened (read-only)	\??\G:	Phxph.exe
File opened (read-only)	\??\K:	Phxph.exe
File opened (read-only)	\??\M:	Phxph.exe
File opened (read-only)	\??\R:	Phxph.exe
File opened (read-only)	\??\X:	Phxph.exe
File opened (read-only)	\??\Z:	Phxph.exe
File opened (read-only)	\??\E:	Phxph.exe
File opened (read-only)	\??\Q:	Phxph.exe
File opened (read-only)	\??\U:	Phxph.exe
File opened (read-only)	\??\Y:	Phxph.exe
File opened (read-only)	\??\I:	Phxph.exe
File opened (read-only)	\??\J:	Phxph.exe
File opened (read-only)	\??\L:	Phxph.exe
File opened (read-only)	\??\P:	Phxph.exe
File opened (read-only)	\??\S:	Phxph.exe
File opened (read-only)	\??\T:	Phxph.exe
File opened (read-only)	\??\V:	Phxph.exe
File opened (read-only)	\??\W:	Phxph.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Phxph.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.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2796	cmd.exe
2840	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Phxph.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Phxph.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2840	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe
2940	Phxph.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	Phxph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
Token: SeLoadDriverPrivilege	2940	Phxph.exe
Token: 33	2940	Phxph.exe
Token: SeIncBasePriorityPrivilege	2940	Phxph.exe
Token: 33	2940	Phxph.exe
Token: SeIncBasePriorityPrivilege	2940	Phxph.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2940	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	30
PID 1680 wrote to memory of 2940	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	30
PID 1680 wrote to memory of 2940	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	30
PID 1680 wrote to memory of 2940	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	30
PID 1680 wrote to memory of 2796	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	31
PID 1680 wrote to memory of 2796	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	31
PID 1680 wrote to memory of 2796	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	31
PID 1680 wrote to memory of 2796	1680	29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe	31
PID 2796 wrote to memory of 2840	2796	cmd.exe	33
PID 2796 wrote to memory of 2840	2796	cmd.exe	33
PID 2796 wrote to memory of 2840	2796	cmd.exe	33
PID 2796 wrote to memory of 2840	2796	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
"C:\Users\Admin\AppData\Local\Temp\29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe"
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\29BE55~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe

Filesize
1.9MB

MD5
05258c560c2cba1b8b59b3db4e612da6

SHA1
34f9bff2a5b66e311017f00e09c954cfbbd66f8a

SHA256
29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce

SHA512
759f59b381641fa8ca95a35dea8bfe85872cfe576892bc03ebc6c50dda43db734876f320dd6d85a6d57fa23c060920c655d09488712be9e7376433d634600259

Download Submit
memory/1680-0-0x0000000010000000-0x000000001019E000-memory.dmp

Filesize
1.6MB

Download
memory/2940-10-0x0000000010000000-0x000000001019E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads