gh0strat | 1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2

General

Target

1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe
Size

8.1MB
MD5

7fd371de503143a86523366a981e0630
SHA1

f30e6a7c9098be558dca19a421fe31f532a82aa2
SHA256

1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2
SHA512

6211489f706194dd46bead683952ad82287ded5fa268f03fb0fd8af7032762adf7b44222426ad1ac7849e036801a34bce0812ae5af028332a2d9acac0ea92524
SSDEEP

196608:CePlm7/Czr2EKAaCQYcVdaV3YNVPK9oW7/A1Yc:CePlA/urnoC84V3O98/2Yc

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2292-0-0x0000000010000000-0x000000001019F000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/2292-0-0x0000000010000000-0x000000001019F000-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
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
2128	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1892	Phiya.exe
2080	Phiya.exe

Loads dropped DLL 1 IoCs

pid	Process
1892	Phiya.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)	\??\P:	Phiya.exe
File opened (read-only)	\??\S:	Phiya.exe
File opened (read-only)	\??\T:	Phiya.exe
File opened (read-only)	\??\X:	Phiya.exe
File opened (read-only)	\??\Z:	Phiya.exe
File opened (read-only)	\??\G:	Phiya.exe
File opened (read-only)	\??\L:	Phiya.exe
File opened (read-only)	\??\N:	Phiya.exe
File opened (read-only)	\??\R:	Phiya.exe
File opened (read-only)	\??\U:	Phiya.exe
File opened (read-only)	\??\E:	Phiya.exe
File opened (read-only)	\??\H:	Phiya.exe
File opened (read-only)	\??\Q:	Phiya.exe
File opened (read-only)	\??\K:	Phiya.exe
File opened (read-only)	\??\M:	Phiya.exe
File opened (read-only)	\??\O:	Phiya.exe
File opened (read-only)	\??\V:	Phiya.exe
File opened (read-only)	\??\W:	Phiya.exe
File opened (read-only)	\??\Y:	Phiya.exe
File opened (read-only)	\??\B:	Phiya.exe
File opened (read-only)	\??\I:	Phiya.exe
File opened (read-only)	\??\J:	Phiya.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Phiya.exe	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe
File opened for modification	C:\Windows\SysWOW64\Phiya.exe	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.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	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Phiya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Phiya.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
2264	PING.EXE
2128	cmd.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	Phiya.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Phiya.exe

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	Phiya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Phiya.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Phiya.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	Phiya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Phiya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Phiya.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2264	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe
2080	Phiya.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2080	Phiya.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2292	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe
Token: SeLoadDriverPrivilege	2080	Phiya.exe
Token: 33	2080	Phiya.exe
Token: SeIncBasePriorityPrivilege	2080	Phiya.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2128	2292	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe	31
PID 2292 wrote to memory of 2128	2292	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe	31
PID 2292 wrote to memory of 2128	2292	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe	31
PID 2292 wrote to memory of 2128	2292	1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe	31
PID 1892 wrote to memory of 2080	1892	Phiya.exe	33
PID 1892 wrote to memory of 2080	1892	Phiya.exe	33
PID 1892 wrote to memory of 2080	1892	Phiya.exe	33
PID 1892 wrote to memory of 2080	1892	Phiya.exe	33
PID 2128 wrote to memory of 2264	2128	cmd.exe	34
PID 2128 wrote to memory of 2264	2128	cmd.exe	34
PID 2128 wrote to memory of 2264	2128	cmd.exe	34
PID 2128 wrote to memory of 2264	2128	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe
"C:\Users\Admin\AppData\Local\Temp\1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- 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\1E950D~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2128
- - 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:2264

C:\Windows\SysWOW64\Phiya.exe
C:\Windows\SysWOW64\Phiya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\Phiya.exe
  C:\Windows\SysWOW64\Phiya.exe -acsi
  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
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2080

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

2

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

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Downloads

C:\Windows\SysWOW64\Phiya.exe

Filesize
8.1MB

MD5
7fd371de503143a86523366a981e0630

SHA1
f30e6a7c9098be558dca19a421fe31f532a82aa2

SHA256
1e950daa0944bbfa277b914086f331a4abce7045e83885ceefe9ba6d7184adb2

SHA512
6211489f706194dd46bead683952ad82287ded5fa268f03fb0fd8af7032762adf7b44222426ad1ac7849e036801a34bce0812ae5af028332a2d9acac0ea92524

Download Submit
memory/2292-0-0x0000000010000000-0x000000001019F000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads