gh0strat | 840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586

General

Target

840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
Size

2.2MB
MD5

cc20290fcb7aabb5cfcd717b34e59c83
SHA1

d5070dce90a8e4931b1bf73e712791c87bdf44c1
SHA256

840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586
SHA512

c3e4aaa514c9f50006d978444d9e23163e142259db3ce813a8f8b322512735c0b1af1db81e7617f588a595a92c2c6c91ebe8efa428f32ce32d9d26441c19bd82
SSDEEP

49152:UQZAdVyVT9n/Gg0P+WhoUpe864qNpJZPItx2apeapelI:FGdVyVT9nOgmhCGqNpEtUvlI

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/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2348-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2348-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2348-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2348-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2348-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000016d02-39.dat	family_gh0strat
behavioral1/memory/2348-79-0x0000000010000000-0x00000000101B6000-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 5 IoCs

pid	Process
2092	svchost.exe
2384	TXPlatforn.exe
2348	TXPlatforn.exe
2204	svchos.exe
1632	HD_840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe

Loads dropped DLL 5 IoCs

pid	Process
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
2384	TXPlatforn.exe
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
2204	svchos.exe
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259434935.txt	svchos.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2092-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2348-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2348-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2348-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2348-79-0x0000000010000000-0x00000000101B6000-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	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.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	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	svchos.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
2336	cmd.exe
2748	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2748	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2348	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2092	svchost.exe
Token: SeLoadDriverPrivilege	2348	TXPlatforn.exe
Token: 33	2348	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2348	TXPlatforn.exe
Token: 33	2348	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2348	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2100 wrote to memory of 2092	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	30
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2384 wrote to memory of 2348	2384	TXPlatforn.exe	33
PID 2092 wrote to memory of 2336	2092	svchost.exe	32
PID 2092 wrote to memory of 2336	2092	svchost.exe	32
PID 2092 wrote to memory of 2336	2092	svchost.exe	32
PID 2092 wrote to memory of 2336	2092	svchost.exe	32
PID 2100 wrote to memory of 2204	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	34
PID 2100 wrote to memory of 2204	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	34
PID 2100 wrote to memory of 2204	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	34
PID 2100 wrote to memory of 2204	2100	840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe	34
PID 2336 wrote to memory of 2748	2336	cmd.exe	36
PID 2336 wrote to memory of 2748	2336	cmd.exe	36
PID 2336 wrote to memory of 2748	2336	cmd.exe	36
PID 2336 wrote to memory of 2748	2336	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
"C:\Users\Admin\AppData\Local\Temp\840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.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:2100
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:2092
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - 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:2748
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Users\Admin\AppData\Local\Temp\HD_840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
  C:\Users\Admin\AppData\Local\Temp\HD_840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe
  2⤵
  - Executes dropped EXE
  PID:1632

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:2384
- 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:2348

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_840f57d78b32203098c84fb55ed7a573397de01206965fafb48d5cb652709586.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

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

Filesize
1.5MB

MD5
972577a7462538c7758daa8105f15666

SHA1
509381149fbeaf8dbdea254ecea5fc0a64001d5a

SHA256
5d91347e17fde0c31801273d7954febfb984a68f24671ac27bb53d7c7adb492d

SHA512
7a1e61ecb9882539cb2eb857fea5c87a51b11bb4b82dc3ac6db08fdde61841ee576cafad15cf862836a10ff4a93a86f19c1c8981eb06d378fbc0b9ea89127aad

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259434935.txt

Filesize
50KB

MD5
b706c2780e3e9092709422fe782e8db9

SHA1
3e8b71c9e1468833ae4341ef8963b2d5a6b79044

SHA256
d9371eb26c57650b7434246c1c6bed7dd1d9037b6d772c5e63ad59adb506deaf

SHA512
d15f31f30c457d4206b9cc16ad955c943ccb1d4d3f6e278f57c039fcafd178ead234e626c0f480283aa67fc252b53b70880a4e2c2ff55a4602632ff69b0ff9e6

Download Submit
memory/2092-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2092-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2348-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2348-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2348-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2348-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2384-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads