gh0strat | ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 12:44

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General

Target

ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
Size

1.1MB
MD5

a20ac457559568b414eb912a27e8b05f
SHA1

391bd290a885d8a406c924f4f20acf0b64169095
SHA256

ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0
SHA512

112a7c5a558ffdb4d2855a1ce5c2149253dfb8521d4731b04c59512601b55b7572bfeb320d26a23287ad52c30fa22cf952da6e55cfe5c38fd56f5d86bc64f4b5
SSDEEP

24576:Ui2Tro2H2HESq2eWJ6MQjySjysIgHqsFnN0EPP:UxTc2H2tFvduySDIJsFNnn

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/2152-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2152-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2796-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2720-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2152-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2152-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2796-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2720-45-0x0000000010000000-0x00000000101B6000-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 4 IoCs

pid	Process
2152	RVN.exe
2916	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
2796	TXPlatforn.exe
2720	TXPlatforn.exe

Loads dropped DLL 6 IoCs

pid	Process
372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
2916	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
2916	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
2916	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
2796	TXPlatforn.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File created	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/2152-14-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2152-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2796-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2720-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\DPINST.LOG	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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
2896	PING.EXE
2812	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2896	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2720	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2152	RVN.exe
Token: SeLoadDriverPrivilege	2720	TXPlatforn.exe
Token: 33	2720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatforn.exe
Token: 33	2720	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2720	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2152	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	30
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 372 wrote to memory of 2916	372	ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe	31
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2796 wrote to memory of 2720	2796	TXPlatforn.exe	33
PID 2152 wrote to memory of 2812	2152	RVN.exe	34
PID 2152 wrote to memory of 2812	2152	RVN.exe	34
PID 2152 wrote to memory of 2812	2152	RVN.exe	34
PID 2152 wrote to memory of 2812	2152	RVN.exe	34
PID 2812 wrote to memory of 2896	2812	cmd.exe	36
PID 2812 wrote to memory of 2896	2812	cmd.exe	36
PID 2812 wrote to memory of 2896	2812	cmd.exe	36
PID 2812 wrote to memory of 2896	2812	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
"C:\Users\Admin\AppData\Local\Temp\ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:372
- 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:2152
- - 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:2812
  - - 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:2896
- C:\Users\Admin\AppData\Local\Temp\HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2916

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:2796
- 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:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\BlockFind.exe

Filesize
1.4MB

MD5
9cbbd991ba77ee760e97e10b8fcc19fd

SHA1
78f2aa86e71701006272d0d7409d2559bbb1e980

SHA256
1609ce671dad343709693ecd1da66cc3e6d48ec96f0fa1376ad8111618fa8fe7

SHA512
114fbe344d81bf8234895ec0a4d2140002ea84d772df046f8858cfddb37f0bc0943c7339d004510191df85247f0b9202c1bf60a25baf39937dff623cd9f6710d

Download Submit
\Users\Admin\AppData\Local\Temp\HD_ca75cc6181c9684d27affbe77099b7805f657160553dd4bffbf3a83633d995d0.exe

Filesize
497KB

MD5
1f121e596a8a0ea6a6b217cb3e36050a

SHA1
fa9a62b6d7ea8bdb7ccbd563696d29c9f064cf84

SHA256
59847e46a00a735232d2096453b029765c3b39b062ce32aaa917706a7be592a6

SHA512
f523d09fd00d3c240838b6c40f975e984e7d0dd84742b3b9c967aee515858d84f46503773f7ad7cd73cc51ace23591750c9c750bd0114389dbbf97a89e0b6d29

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2152-14-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2152-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2720-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2796-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download