gh0strat | dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed

General

Target

dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
Size

2.1MB
MD5

e071131111f78ed6837e0d22cf31c04d
SHA1

68a10862c1f2d117e8204f1fb9a47f2704bd2043
SHA256

dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed
SHA512

6756e3fb7c427a30b99c9bdad7a49a91394071eaad2a90aa72e104bcf20e0452bfbe20c0ec13cce9f4cf81ff3395229456c673f56fed360baf6a4b95fa2acd03
SSDEEP

49152:E09XJt4HIN2H2tFvduyS5pezrRZPItx2apeapelI:pZJt4HINy2Lk2zr8tUvlI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2400-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2400-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2400-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2932-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2932-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2932-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2400-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2400-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2400-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2932-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2932-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2932-70-0x0000000010000000-0x00000000101B6000-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
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	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 4 IoCs

pid	Process
2400	RVN.exe
2732	TXPlatforn.exe
2932	TXPlatforn.exe
2700	HD_dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe

Loads dropped DLL 3 IoCs

pid	Process
2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
2732	TXPlatforn.exe
2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2400-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2400-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2400-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2400-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2932-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2932-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2732-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2932-70-0x0000000010000000-0x00000000101B6000-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	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.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

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
2396	cmd.exe
2852	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2852	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2932	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2400	RVN.exe
Token: SeLoadDriverPrivilege	2932	TXPlatforn.exe
Token: 33	2932	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2932	TXPlatforn.exe
Token: 33	2932	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2932	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2416 wrote to memory of 2400	2416	dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe	30
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2732 wrote to memory of 2932	2732	TXPlatforn.exe	33
PID 2400 wrote to memory of 2396	2400	RVN.exe	32
PID 2400 wrote to memory of 2396	2400	RVN.exe	32
PID 2400 wrote to memory of 2396	2400	RVN.exe	32
PID 2400 wrote to memory of 2396	2400	RVN.exe	32
PID 2396 wrote to memory of 2852	2396	cmd.exe	36
PID 2396 wrote to memory of 2852	2396	cmd.exe	36
PID 2396 wrote to memory of 2852	2396	cmd.exe	36
PID 2396 wrote to memory of 2852	2396	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
"C:\Users\Admin\AppData\Local\Temp\dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416
- 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:2400
- - 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:2396
  - - 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:2852
- C:\Users\Admin\AppData\Local\Temp\HD_dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
  C:\Users\Admin\AppData\Local\Temp\HD_dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe
  2⤵
  - Executes dropped EXE
  PID:2700

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:2732
- 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:2932

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

Replay Monitor

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Downloads

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

Filesize
1.5MB

MD5
819d651c6a5114981a56f9a93df83c38

SHA1
bf99d2f401ef3f11594f5315fcbea3a849a03e89

SHA256
ab6b0c7a2a08b7cf838212daf607211bb624fd2fe26c61b6aa8b98d5460c8385

SHA512
854d8abe9e2a5cd81e8dd882a95657d79dfc51682b2df397c60b7dac0f71f0524cd9833121cebfe8305ba3c6f7090249943527ce780dd33a91b8203ba9843bbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_dd851a36f27c8e79ccba4b6d8f06c07ffaf5bafd7c7069905b69a5a15719caed.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2400-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2400-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2400-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2400-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2732-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2932-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads