gh0strat | 42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0

General

Target

42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
Size

1.5MB
MD5

23cadd2603883740b2d9df4f82846a56
SHA1

cc370f898455ea339f1ecfef4c3c730a707fe288
SHA256

42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0
SHA512

971639520271b9cc6d81fe6d1a909238d890529f5b303ced4cd1f6aef8e5c5fdb007d1728096d4eff43512df7131f03a2143f60938ae1fe707e479a9093645b7
SSDEEP

24576:909tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+ywpe6TpEWQ7z9vFT:909XJt4HIN2H2tFvduyS7pekpEWoxvV

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1488-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1488-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1488-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2744-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2824-66-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/1488-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1488-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1488-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2744-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2824-66-0x0000000010000000-0x00000000101B6000-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	TXPlatforn.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"	TXPlatforn.exe

Executes dropped EXE 3 IoCs

pid	Process
1488	RVN.exe
2744	TXPlatforn.exe
2824	TXPlatforn.exe

Loads dropped DLL 2 IoCs

pid	Process
320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
2744	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1488-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1488-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1488-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1488-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2744-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2824-66-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.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 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	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
2288	cmd.exe
3032	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3032	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2824	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1488	RVN.exe
Token: SeLoadDriverPrivilege	2824	TXPlatforn.exe
Token: 33	2824	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatforn.exe
Token: 33	2824	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2824	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 320 wrote to memory of 1488	320	42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe	29
PID 1488 wrote to memory of 2288	1488	RVN.exe	31
PID 1488 wrote to memory of 2288	1488	RVN.exe	31
PID 1488 wrote to memory of 2288	1488	RVN.exe	31
PID 1488 wrote to memory of 2288	1488	RVN.exe	31
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2744 wrote to memory of 2824	2744	TXPlatforn.exe	32
PID 2288 wrote to memory of 3032	2288	cmd.exe	34
PID 2288 wrote to memory of 3032	2288	cmd.exe	34
PID 2288 wrote to memory of 3032	2288	cmd.exe	34
PID 2288 wrote to memory of 3032	2288	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe
"C:\Users\Admin\AppData\Local\Temp\42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:320
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3032

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\TXPlatforn.exe
  C:\Windows\SysWOW64\TXPlatforn.exe -acsi
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2824

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 Information Discovery

1

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:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
1.5MB

MD5
23cadd2603883740b2d9df4f82846a56

SHA1
cc370f898455ea339f1ecfef4c3c730a707fe288

SHA256
42dd92276c4594932d08c9818c8e7bc9ebca7b91dec5756cdd4717aa74458ee0

SHA512
971639520271b9cc6d81fe6d1a909238d890529f5b303ced4cd1f6aef8e5c5fdb007d1728096d4eff43512df7131f03a2143f60938ae1fe707e479a9093645b7

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1488-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1488-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1488-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1488-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2744-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2824-66-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads