gh0strat | 0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f

General

Target

0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
Size

4.6MB
MD5

a7f469624c805ed53b6f22f01b6660ee
SHA1

f439625fd96269e240b3ee4359e72ab6a260bfde
SHA256

0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f
SHA512

707df94d54596890c83d16055545c9e78e27d68d0267075fdc9467f79704b33246ad6235f9ce5e7d6a037ed4e4d892e2c0cbde6473d3ec3e059f21025636713d
SSDEEP

49152:k09XJt4HIN2H2tFvduySabXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8R:JZJt4HINy2LkabXsPN5kiQaZ56

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2556-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2120-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2120-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3028-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2556-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2556-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2120-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2120-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3028-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2556-26-0x0000000010000000-0x00000000101B6000-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
2556	RVN.exe
2120	TXPlatforn.exe
3028	TXPlatforn.exe
892	HD_0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe

Loads dropped DLL 3 IoCs

pid	Process
2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
2120	TXPlatforn.exe
2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2556-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2120-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3028-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2556-26-0x0000000010000000-0x00000000101B6000-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	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.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 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	HD_0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.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
2808	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3028	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2556	RVN.exe
Token: SeLoadDriverPrivilege	3028	TXPlatforn.exe
Token: 33	3028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3028	TXPlatforn.exe
Token: 33	3028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3028	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2196 wrote to memory of 2556	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	30
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2120 wrote to memory of 3028	2120	TXPlatforn.exe	32
PID 2556 wrote to memory of 2808	2556	RVN.exe	33
PID 2556 wrote to memory of 2808	2556	RVN.exe	33
PID 2556 wrote to memory of 2808	2556	RVN.exe	33
PID 2556 wrote to memory of 2808	2556	RVN.exe	33
PID 2196 wrote to memory of 892	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	34
PID 2196 wrote to memory of 892	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	34
PID 2196 wrote to memory of 892	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	34
PID 2196 wrote to memory of 892	2196	0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe	34
PID 2808 wrote to memory of 2636	2808	cmd.exe	36
PID 2808 wrote to memory of 2636	2808	cmd.exe	36
PID 2808 wrote to memory of 2636	2808	cmd.exe	36
PID 2808 wrote to memory of 2636	2808	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
"C:\Users\Admin\AppData\Local\Temp\0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.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:2196
- 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:2556
- - 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:2808
  - - 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:2636
- C:\Users\Admin\AppData\Local\Temp\HD_0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
  C:\Users\Admin\AppData\Local\Temp\HD_0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:892

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:2120
- 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:3028

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_0973561dab591c64bffba33b969f1c63d8975b62183f35144b3ebc572505cb8f.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

Filesize
1.5MB

MD5
af1fbdb5ac1fb0a8774598d983e82380

SHA1
9cd1e8a3c2284d2052af6b7c0264d065d1a95c57

SHA256
300be8271a6431d30214cb73139dc87425e9d934a73dbcea20e17cc0a3a82d40

SHA512
824f71fd68ccfdfb077c799916460a9acff00b129f5a76c8318c5848841766e27064194723be503cd21dd3cb3e514d693b9236d4cc98c76f94b1ec66a95e457e

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2120-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2120-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2556-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3028-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads