gh0strat | cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b

Analysis

max time kernel
150s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
06/06/2024, 03:31

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General

Target
cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
Size 11.9MB
Sample240606-d25gaaff5w
SHA256 cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b
MD5 ee631d88e3adcf411e4429a1e7abdbeb
SHA1 9d47537a93dafee857582740d531eb06eea7bf82
SHA512 300249d6b43b96bf14018727d409fa830a56fad575d86ae0f494b12f090a62d9727637bba784a85ea52a3cb585a51db07f700392cdaf168369a7959a2debb28c
SSDEEP 196608:ZiINy2LkRsD0umPDqUJauIyGxtd7tYRY4Ki1HB1s6K6V43bshXDEmNBxRDnXrygs:msI/WUsKGxz7tYRYGsFrETEQzqPnSPvw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 11 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3624-10-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3624-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3624-6-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-16-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-17-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1728-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1728-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1728-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-25-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1728-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1548-15-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/memory/3624-10-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3624-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3624-6-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-16-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-17-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1728-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1728-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1728-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-25-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1728-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1548-15-0x0000000010000000-0x00000000101B6000-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

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
3624	RVN.exe
1548	TXPlatforn.exe
1728	TXPlatforn.exe
1924	HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3624-4-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3624-10-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3624-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3624-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-16-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/files/0x0007000000023408-28.dat	upx
behavioral2/memory/1728-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1728-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1728-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1728-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1924-35-0x0000000000400000-0x0000000001520000-memory.dmp	upx
behavioral2/memory/1548-15-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1548-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1924-86-0x0000000000400000-0x0000000001520000-memory.dmp	upx

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

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.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

pid	Process
4812	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1728	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3624	RVN.exe
Token: SeLoadDriverPrivilege	1728	TXPlatforn.exe
Token: 33	1728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1728	TXPlatforn.exe
Token: 33	1728	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	1728	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
1924	HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
1924	HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 3624	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	83
PID 1636 wrote to memory of 3624	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	83
PID 1636 wrote to memory of 3624	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	83
PID 3624 wrote to memory of 3292	3624	RVN.exe	86
PID 3624 wrote to memory of 3292	3624	RVN.exe	86
PID 3624 wrote to memory of 3292	3624	RVN.exe	86
PID 1548 wrote to memory of 1728	1548	TXPlatforn.exe	88
PID 1548 wrote to memory of 1728	1548	TXPlatforn.exe	88
PID 1548 wrote to memory of 1728	1548	TXPlatforn.exe	88
PID 1636 wrote to memory of 1924	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	89
PID 1636 wrote to memory of 1924	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	89
PID 1636 wrote to memory of 1924	1636	cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe	89
PID 3292 wrote to memory of 4812	3292	cmd.exe	90
PID 3292 wrote to memory of 4812	3292	cmd.exe	90
PID 3292 wrote to memory of 4812	3292	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
"C:\Users\Admin\AppData\Local\Temp\cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636
- 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:3624
- - 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:3292
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4812
- C:\Users\Admin\AppData\Local\Temp\HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
  C:\Users\Admin\AppData\Local\Temp\HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1924

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1548
- 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:1728

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 1.1MB
SHA256 6067420f79507d60c0b0152e3b7cb5a4784ce93e802e3da060621341efbabc00
MD5 114025cef24b85f69595ce2da886e395
SHA1 d66b5851dbefeba1f7ce0be23d9d1a1160937b1c
SHA512 81a8f2712f41cfa2458f952db3344dbc6b5d1afd70dd95aa9c056d8fa9beab2b2350752dfa5a5005fd12654995271c83373874c1a53183e24a610a29cb6ed607
SSDEEP 24576:G09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+O:G09XJt4HIN2H2tFvduySM
MD5 SHA1 SHA512 SSDEEP

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HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_cc0540f04f25a59a5520b38cf15c0a04994ad82ca156dc972cfec29069beb77b.exe
Size 10.8MB
SHA256 1a48467d43b43219ff6fde56636d20b6089b6a132e72f54150939766b23664fd
MD5 6b705845eb7ec4080f1e8edde4133988
SHA1 fd10cc609c60cac5e51e9583cca613c37d9cac7c
SHA512 0dd03198d5e41079325d9a4cf42daa18472e346b867584ef0e6ef6fb5df446f4b6af9d35f808304371d6f3ae83583d02ddfeeb96b6832384aa12ba082d382659
SSDEEP 196608:bsD0umPDqUJauIyGxtd7tYRY4Ki1HB1s6K6V43bshXDEmNBxRDnXrygeEUS4+bHQ:bsI/WUsKGxz7tYRYGsFrETEQzqPnSPvw
MD5 SHA1 SHA512 SSDEEP

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RVN.exe

Path C:\Users\Admin\AppData\Local\Temp\RVN.exe
Size 377KB
SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
MD5 80ade1893dec9cab7f2e63538a464fcc
SHA1 c06614da33a65eddb506db00a124a3fc3f5be02e
SHA512 fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
SSDEEP 6144:BEo7J1ixs4uVKE9rFEAHKThrBSq2hAzSM5mDo9lSJULHZqExlD2E1LxhJVwIe0Dy:Wo2HQVWAHkFSq2hAWJYlMUtrxlyuJVRq
MD5 SHA1 SHA512 SSDEEP

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memory/1548-13-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1548-15-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1548-16-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1548-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1548-25-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1728-36-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1728-30-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1728-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1728-33-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1924-37-0x0000000010000000-0x00000000101D4000-memory.dmp

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memory/1924-35-0x0000000000400000-0x0000000001520000-memory.dmp

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memory/1924-86-0x0000000000400000-0x0000000001520000-memory.dmp

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memory/3624-6-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3624-7-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3624-10-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3624-4-0x0000000010000000-0x00000000101B6000-memory.dmp

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