gh0strat | 73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f

General

Target

73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe
Size

1.4MB
MD5

919dcfe259312235d47e158b8b0919b8
SHA1

560d0ab3e11002de3ddc32939744f58ccfd7d9db
SHA256

73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f
SHA512

a2f04578e7547bbc6f6e9a81d3faea3c2f22a26158b225481f470ecd4b3d04440972ed04da9ac1c77c35063de079804fc54f24e27b35cd70a4da38266414f616
SSDEEP

24576:n39WkOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:39qHPkVOBTK

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
behavioral2/memory/972-1-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit
behavioral2/memory/4416-12-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral2/memory/972-1-0x0000000010000000-0x000000001019F000-memory.dmp	family_gh0strat
behavioral2/memory/4416-12-0x0000000010000000-0x000000001019F000-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

Executes dropped EXE 2 IoCs

pid	Process
4416	Phxph.exe
4860	Phxph.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Phxph.exe	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe
File opened for modification	C:\Windows\SysWOW64\Phxph.exe	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Phxph.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.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
3568	cmd.exe
4896	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4896	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4860	Phxph.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	972	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe
Token: SeLoadDriverPrivilege	4860	Phxph.exe
Token: 33	4860	Phxph.exe
Token: SeIncBasePriorityPrivilege	4860	Phxph.exe
Token: 33	4860	Phxph.exe
Token: SeIncBasePriorityPrivilege	4860	Phxph.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 3568	972	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe	83
PID 972 wrote to memory of 3568	972	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe	83
PID 972 wrote to memory of 3568	972	73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe	83
PID 4416 wrote to memory of 4860	4416	Phxph.exe	84
PID 4416 wrote to memory of 4860	4416	Phxph.exe	84
PID 4416 wrote to memory of 4860	4416	Phxph.exe	84
PID 3568 wrote to memory of 4896	3568	cmd.exe	86
PID 3568 wrote to memory of 4896	3568	cmd.exe	86
PID 3568 wrote to memory of 4896	3568	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe
"C:\Users\Admin\AppData\Local\Temp\73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972
- 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\73CEBC~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3568
- - 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:4896

C:\Windows\SysWOW64\Phxph.exe
C:\Windows\SysWOW64\Phxph.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\Phxph.exe
  C:\Windows\SysWOW64\Phxph.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:4860

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

Remote System Discovery

1

T1018

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

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Downloads

C:\Windows\SysWOW64\Phxph.exe

Filesize
1.4MB

MD5
919dcfe259312235d47e158b8b0919b8

SHA1
560d0ab3e11002de3ddc32939744f58ccfd7d9db

SHA256
73cebc79286f37f65874b0f712960b3e88ba34bcb6546124f1a43a38981f1c0f

SHA512
a2f04578e7547bbc6f6e9a81d3faea3c2f22a26158b225481f470ecd4b3d04440972ed04da9ac1c77c35063de079804fc54f24e27b35cd70a4da38266414f616

Download Submit
memory/972-0-0x0000000000400000-0x0000000000580000-memory.dmp

Filesize
1.5MB

Download
memory/972-1-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download
memory/4416-12-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads