gh0strat | 6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc

General

Target

6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
Size

4.5MB
MD5

aaafd4764db7d99459994bb348a5a39b
SHA1

cd03e5fdd41cdc18ad1ada9f7042afcfec2e30cb
SHA256

6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc
SHA512

2497df81572db2731544d00a5d798e2454d5d310b44176902a38ec3e683005dac43377978ee202d6cbbecdcfd18acb8cb8223a8bf501609097d4a68d0048e177
SSDEEP

49152:w09XJt4HIN2H2tFvduySngVbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8w:1ZJt4HINy2LkgVbXsPN5kiQaZ56

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/2768-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3024-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3024-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-67-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-69-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-71-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2768-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3024-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3024-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-67-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-69-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-71-0x0000000010000000-0x00000000101B6000-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
2768	RVN.exe
3024	TXPlatforn.exe
2960	TXPlatforn.exe
2716	HD_6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe

Loads dropped DLL 3 IoCs

pid	Process
2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
3024	TXPlatforn.exe
2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.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/2768-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2768-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3024-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3024-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-67-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-69-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-71-0x0000000010000000-0x00000000101B6000-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	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.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	RVN.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	HD_6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
2568	cmd.exe
2564	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2564	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2960	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2768	RVN.exe
Token: SeLoadDriverPrivilege	2960	TXPlatforn.exe
Token: 33	2960	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2960	TXPlatforn.exe
Token: 33	2960	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2960	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 2692 wrote to memory of 2768	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	31
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 3024 wrote to memory of 2960	3024	TXPlatforn.exe	33
PID 2768 wrote to memory of 2568	2768	RVN.exe	34
PID 2768 wrote to memory of 2568	2768	RVN.exe	34
PID 2768 wrote to memory of 2568	2768	RVN.exe	34
PID 2768 wrote to memory of 2568	2768	RVN.exe	34
PID 2692 wrote to memory of 2716	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	36
PID 2692 wrote to memory of 2716	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	36
PID 2692 wrote to memory of 2716	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	36
PID 2692 wrote to memory of 2716	2692	6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe	36
PID 2568 wrote to memory of 2564	2568	cmd.exe	37
PID 2568 wrote to memory of 2564	2568	cmd.exe	37
PID 2568 wrote to memory of 2564	2568	cmd.exe	37
PID 2568 wrote to memory of 2564	2568	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
"C:\Users\Admin\AppData\Local\Temp\6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.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:2692
- 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:2768
- - 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:2568
  - - 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:2564
- C:\Users\Admin\AppData\Local\Temp\HD_6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
  C:\Users\Admin\AppData\Local\Temp\HD_6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2716

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:3024
- 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:2960

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_6a4cda43bcfeac34b74220ddf966097b9a03836e47ce89ed6f3d8d328164c2cc.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
19fe095ed5551054cbcd87e8d86a7772

SHA1
af924c3765e640d0c75be59b2ebb2be248e6def8

SHA256
316f8f803f520f41f30e99fdc05c12dbc9785f3c1744e69c645b1478b52bc29b

SHA512
e1514472881d4577d824463495f882ecf30740cd02f5a32e502dfd4f6901b4246bfa678bc355c933b955bc17c1df96940302404241dee46de5f5409dc86cea68

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2768-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2768-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-67-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-69-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-71-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3024-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads