gh0strat | d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7

General

Target

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
Size

1.2MB
MD5

ccdeb66280ac17e9138108fb140657c6
SHA1

42c1fe2ccbd03d1e6cd09c277082ea2139919ef1
SHA256

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7
SHA512

1325b394082d8b487e6a71e245dd876db4d5f5ae9c96e6d121327ffaf47cd05245b5d4be80e5ae6c993f1198c52a782a03d038d45414ad38b671e0e3116af985
SSDEEP

24576:lPSmv+7kjBMo8AsPYRB07KtDkYqQj4jCnsIAR4Nv:4mgkNMwZfyAYxBCngRKv

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1656-7-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1656-9-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/1656-8-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-36-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-37-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-35-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-42-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-54-0x0000000010000000-0x00000000101BA000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1656-7-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1656-9-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/1656-8-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-36-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-37-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-35-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-42-0x0000000010000000-0x00000000101BA000-memory.dmp	family_gh0strat
behavioral1/memory/2884-54-0x0000000010000000-0x00000000101BA000-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

Processes:

Ghxya.exe

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Ghxya.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2104	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

Ghxya.exeGhxya.exe

pid	Process
2756	Ghxya.exe
2884	Ghxya.exe

Loads dropped DLL 1 IoCs

Processes:

Ghxya.exe

pid	Process
2756	Ghxya.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

Processes:

Ghxya.exe

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

Drops file in System32 directory 2 IoCs

Processes:

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\Ghxya.exe	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
File opened for modification	C:\Windows\SysWOW64\Ghxya.exe	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 42 IoCs

Processes:

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exeGhxya.exeGhxya.exe

pid	Process
1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
2756	Ghxya.exe
2756	Ghxya.exe
1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1656-6-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1656-7-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1656-9-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/1656-8-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-36-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-37-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-35-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-41-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-34-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-42-0x0000000010000000-0x00000000101BA000-memory.dmp	upx
behavioral1/memory/2884-54-0x0000000010000000-0x00000000101BA000-memory.dmp	upx

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

Processes:

PING.EXEGhxya.exed71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exeGhxya.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghxya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

cmd.exePING.EXE

pid	Process
2104	cmd.exe
3048	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

Processes:

Ghxya.exe

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

Modifies data under HKEY_USERS 5 IoCs

Processes:

Ghxya.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Ghxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Ghxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Ghxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Ghxya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Ghxya.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
3048	PING.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

Ghxya.exe

pid	Process
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe
2884	Ghxya.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

Ghxya.exe

pid	Process
2884	Ghxya.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exeGhxya.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
Token: SeLoadDriverPrivilege	2884	Ghxya.exe
Token: 33	2884	Ghxya.exe
Token: SeIncBasePriorityPrivilege	2884	Ghxya.exe
Token: 33	2884	Ghxya.exe
Token: SeIncBasePriorityPrivilege	2884	Ghxya.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exeGhxya.execmd.exe

description	pid	Process	procid_target
PID 1656 wrote to memory of 2104	1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe	30
PID 1656 wrote to memory of 2104	1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe	30
PID 1656 wrote to memory of 2104	1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe	30
PID 1656 wrote to memory of 2104	1656	d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe	30
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2756 wrote to memory of 2884	2756	Ghxya.exe	32
PID 2104 wrote to memory of 3048	2104	cmd.exe	33
PID 2104 wrote to memory of 3048	2104	cmd.exe	33
PID 2104 wrote to memory of 3048	2104	cmd.exe	33
PID 2104 wrote to memory of 3048	2104	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe
"C:\Users\Admin\AppData\Local\Temp\d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- 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\D71A18~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:3048

C:\Windows\SysWOW64\Ghxya.exe
C:\Windows\SysWOW64\Ghxya.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\Ghxya.exe
  C:\Windows\SysWOW64\Ghxya.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Enumerates connected drives
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - 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:2884

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\Ghxya.exe

Filesize
1.2MB

MD5
ccdeb66280ac17e9138108fb140657c6

SHA1
42c1fe2ccbd03d1e6cd09c277082ea2139919ef1

SHA256
d71a180cba36ae98f2f5f68f50a8326051488a7757358aaaf8cbc41ff74b6cc7

SHA512
1325b394082d8b487e6a71e245dd876db4d5f5ae9c96e6d121327ffaf47cd05245b5d4be80e5ae6c993f1198c52a782a03d038d45414ad38b671e0e3116af985

Download Submit
memory/1656-23-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/1656-8-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1656-4-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/1656-3-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/1656-6-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1656-7-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1656-9-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/1656-0-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/1656-1-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/1656-2-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2756-15-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2756-14-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2756-17-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2756-16-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2756-28-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-42-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-29-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-31-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-26-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-32-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-36-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-37-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-35-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-41-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-34-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download
memory/2884-30-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-44-0x0000000000400000-0x000000000052F000-memory.dmp

Filesize
1.2MB

Download
memory/2884-54-0x0000000010000000-0x00000000101BA000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads