gh0strat | 1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 16:18

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General

Target

1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
Size

2.8MB
MD5

082ebcfdb3386a77619548d198c91afc
SHA1

689b603bc1a0b2ee23017a6f24256ded11ebebab
SHA256

1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073
SHA512

2874d2051e4f5e63932fa76027ec5683a63570cca0ad160708465942f4392de481e2f3f384692f3634b547ad79e2cdc1801bee179f4aba89e8f5a454344e30ed
SSDEEP

49152:NCwsbCANnKXferL7Vwe/Gg0P+Whu6Nzg0d:wws2ANnKXOaeOgmh3Nz

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2996-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2996-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2716-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d4b-6.dat	family_gh0strat
behavioral1/memory/2996-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2996-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2716-49-0x0000000010000000-0x00000000101B6000-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	TXPlatfor.exe

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259430832.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
1268	R.exe
2996	N.exe
2120	TXPlatfor.exe
3060	HD_1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
2716	TXPlatfor.exe
2480	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
1268	R.exe
2368	svchost.exe
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
2120	TXPlatfor.exe
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
2368	svchost.exe
2480	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259430832.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2996-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2716-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 9 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	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.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	Remote Data.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
2944	cmd.exe
3008	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3008	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2716	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2996	N.exe
Token: SeLoadDriverPrivilege	2716	TXPlatfor.exe
Token: 33	2716	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatfor.exe
Token: 33	2716	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2716	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1268	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	30
PID 1720 wrote to memory of 1268	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	30
PID 1720 wrote to memory of 1268	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	30
PID 1720 wrote to memory of 1268	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	30
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 1720 wrote to memory of 2996	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	33
PID 2996 wrote to memory of 2944	2996	N.exe	35
PID 2996 wrote to memory of 2944	2996	N.exe	35
PID 2996 wrote to memory of 2944	2996	N.exe	35
PID 2996 wrote to memory of 2944	2996	N.exe	35
PID 1720 wrote to memory of 3060	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	38
PID 1720 wrote to memory of 3060	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	38
PID 1720 wrote to memory of 3060	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	38
PID 1720 wrote to memory of 3060	1720	1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe	38
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2120 wrote to memory of 2716	2120	TXPlatfor.exe	37
PID 2944 wrote to memory of 3008	2944	cmd.exe	39
PID 2944 wrote to memory of 3008	2944	cmd.exe	39
PID 2944 wrote to memory of 3008	2944	cmd.exe	39
PID 2944 wrote to memory of 3008	2944	cmd.exe	39
PID 2368 wrote to memory of 2480	2368	svchost.exe	40
PID 2368 wrote to memory of 2480	2368	svchost.exe	40
PID 2368 wrote to memory of 2480	2368	svchost.exe	40
PID 2368 wrote to memory of 2480	2368	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
"C:\Users\Admin\AppData\Local\Temp\1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1268
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.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:2996
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2944
  - - 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:3008
- C:\Users\Admin\AppData\Local\Temp\HD_1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
  C:\Users\Admin\AppData\Local\Temp\HD_1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3060

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2636

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259430832.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2480

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2716

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

Server Software Component

T1505

Terminal Services DLL

T1505.005

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 Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
2.4MB

MD5
7019865bcf748af10a15ca9d4a8c7018

SHA1
0b9e9e724410fe83b713168cd5b23805553fdb42

SHA256
161bf0aa6532c8c4be69a7ec234f62369bc1d740f475a5e5b20bb952cc0d02db

SHA512
1d0eb49c0eac073e5ffb20004d8e944c17fcc9a286be496be1971b146e7420d0c9bb05c86a6f9f8daf15452d5eb3d5539ec0f78206c440e75735af006745b9cd

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\HD_1d0f2e5eb4fa2af468dce17d96fe73ddeb402d9558eee0b7e4eecbc9da5df073.exe

Filesize
420KB

MD5
0a0dfa9b8dc53fecdb4beb4c2af7b64d

SHA1
8037a100526e73628de5a4743a91905de9b912c8

SHA256
daf71f6d4a3271f066a38e50ecdfedae65dcfd140cb18949883852ac6443af50

SHA512
56b1898a26589e4a3f637ba5ada4f77a26ac08c2fc6133c0e9b4038ab34c4a43c55ace63dba53b972177dc3053b2c79f2e4036524a0c95d6ae1c4c87b0d34081

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259430832.txt

Filesize
899KB

MD5
508607f2eaebc039168afe8b391882c7

SHA1
c1393eed5581714796264d67fdacdffae3519808

SHA256
4a5d41a2a5e16812fe3f3c4b90d9c51957cd8649350782a2f59c42e339721bb2

SHA512
9a5e612cdbf4de621c61e007cca042e60dd05be496dd40f96e483dd47126107f29c7f6ac65fc1db1353b9cf352a0de8083b78ffda44696c2d59aeb19d41727b2

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2716-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2716-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2996-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download