gh0strat | ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31

General

Target

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
Size

2.6MB
MD5

b4553e0afe7e7d7ece186cd54c7ca513
SHA1

a3da175d1977924b017e35a14ffbdbb253011822
SHA256

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31
SHA512

1e36a323f0ac40f6769578b4eb66eb505b80306d973d0cdffdd644db5b10871c36ee8413ef88e684cdb0f898f2dca01f4a440d67a1a9cb146e6a1a1e48712337
SSDEEP

49152:L09XJt4HIN2H2tFvduySIwypXTrcU0V2mkjSPfRpFmPgHvjD:4ZJt4HINy2LkyXv0PfRpFmUn

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/1008-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1008-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3000-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3000-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2216-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2216-70-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2216-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1008-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1008-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3000-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3000-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2216-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2216-70-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2216-72-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatforn.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe

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

Processes:

TXPlatforn.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 4 IoCs

Processes:

RVN.exeTXPlatforn.exeHD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exeTXPlatforn.exe

pid process

1008 RVN.exe
3000 TXPlatforn.exe
2748 HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
2216 TXPlatforn.exe

pid	process
1008	RVN.exe
3000	TXPlatforn.exe
2748	HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
2216	TXPlatforn.exe

Loads dropped DLL 3 IoCs

Processes:

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exeTXPlatforn.exe

pid	process
1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
3000	TXPlatforn.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1008-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1008-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1008-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1008-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3000-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3000-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2216-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2216-70-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2216-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

RVN.exe

description ioc process

File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe
File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	RVN.exe

Drops file in Program Files directory 4 IoCs

Processes:

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2452 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

pid process

1736 ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid process

2216 TXPlatforn.exe

pid	process
2452	PING.EXE

pid	process
2216	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RVN.exeTXPlatforn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1008	RVN.exe
Token: SeLoadDriverPrivilege	2216	TXPlatforn.exe
Token: 33	2216	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2216	TXPlatforn.exe
Token: 33	2216	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2216	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

pid	process
1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exeRVN.exeTXPlatforn.execmd.exe

description	pid	process	target process
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1736 wrote to memory of 1008	1736	ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe	RVN.exe
PID 1008 wrote to memory of 1636	1008	RVN.exe	cmd.exe
PID 1008 wrote to memory of 1636	1008	RVN.exe	cmd.exe
PID 1008 wrote to memory of 1636	1008	RVN.exe	cmd.exe
PID 1008 wrote to memory of 1636	1008	RVN.exe	cmd.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 3000 wrote to memory of 2216	3000	TXPlatforn.exe	TXPlatforn.exe
PID 1636 wrote to memory of 2452	1636	cmd.exe	PING.EXE
PID 1636 wrote to memory of 2452	1636	cmd.exe	PING.EXE
PID 1636 wrote to memory of 2452	1636	cmd.exe	PING.EXE
PID 1636 wrote to memory of 2452	1636	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
"C:\Users\Admin\AppData\Local\Temp\ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1736
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1008
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:1636
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2452
- C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe
  2⤵
  - Executes dropped EXE
  PID:2748

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- 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:2216

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

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
1.2MB

MD5
048ba969fb775639da1c2ffcf070cb57

SHA1
78dcd6d1a524d982179e5a29c74d45e29b8870b5

SHA256
a21812cae7935266b2456df2a504151492dafae9261f10204fc6e925ed5f6cd1

SHA512
6c64dde768ce138084d31449cdd4c6554a796d92dda38a4d03e2d0faca6f362cc27706f6d8107d9c5a186ee8de1f66a25e09095fc2a9252281b3bee9e33378b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ad8c2f6379ef461b2e6b21bfa1a2d5ef3b5dde27ac85ad95249a1396c5bceb31.exe

Filesize
1.4MB

MD5
958180c3bedd3acde34fa4389644e849

SHA1
915774d512835543a474dd407d2b85480abc2771

SHA256
010ce7fbebd9c606691ff17cd970945df9a7aec7a5ad42da40c0325e6e33a749

SHA512
9e8a6117631aaa5201eee9f8a9ae8dc4cd2eb9c7798a4005ccd67714c32426ed62de16c00363e2e6ce5cfcd1cc22ea82c6e811e6db894a3b831e2a47f58a3234

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/1008-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1008-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1008-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1008-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-70-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2216-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3000-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads