gh0strat | 117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 22:41

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General

Target

117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
Size

2.6MB
MD5

6e06811be149c7c9b24bd02b91dc2be2
SHA1

f2201066a6f6e567ecfebbb9242950f3ab7e7996
SHA256

117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73
SHA512

9bd59a05787a9d258d858d3e7456f9c3b543aa28714b716c7cb6aed065bd956173d2bfe33619788fc68e190f29a91d4cea68fbee1919113d9818a6d6b5cbb7ee
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuI:pws2ANnKXOaeOgmhI1BTuI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x00060000000186f2-6.dat	family_gh0strat
behavioral1/memory/1812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-49-0x0000000010000000-0x00000000101B6000-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\\259445652.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
796	R.exe
1812	N.exe
2676	TXPlatfor.exe
3016	TXPlatfor.exe
2704	HD_117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
1996	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
796	R.exe
2468	svchost.exe
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
2676	TXPlatfor.exe
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
2468	svchost.exe
1996	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\259445652.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1812-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1812-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1812-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 8 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	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2832	cmd.exe
2248	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2248	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3016	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1812	N.exe
Token: SeLoadDriverPrivilege	3016	TXPlatfor.exe
Token: 33	3016	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3016	TXPlatfor.exe
Token: 33	3016	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3016	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 796	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	31
PID 2360 wrote to memory of 796	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	31
PID 2360 wrote to memory of 796	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	31
PID 2360 wrote to memory of 796	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	31
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 2360 wrote to memory of 1812	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	34
PID 1812 wrote to memory of 2832	1812	N.exe	36
PID 1812 wrote to memory of 2832	1812	N.exe	36
PID 1812 wrote to memory of 2832	1812	N.exe	36
PID 1812 wrote to memory of 2832	1812	N.exe	36
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2676 wrote to memory of 3016	2676	TXPlatfor.exe	37
PID 2360 wrote to memory of 2704	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	39
PID 2360 wrote to memory of 2704	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	39
PID 2360 wrote to memory of 2704	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	39
PID 2360 wrote to memory of 2704	2360	117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe	39
PID 2832 wrote to memory of 2248	2832	cmd.exe	41
PID 2832 wrote to memory of 2248	2832	cmd.exe	41
PID 2832 wrote to memory of 2248	2832	cmd.exe	41
PID 2832 wrote to memory of 2248	2832	cmd.exe	41
PID 2468 wrote to memory of 1996	2468	svchost.exe	42
PID 2468 wrote to memory of 1996	2468	svchost.exe	42
PID 2468 wrote to memory of 1996	2468	svchost.exe	42
PID 2468 wrote to memory of 1996	2468	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
"C:\Users\Admin\AppData\Local\Temp\117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- 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:796
- 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:1812
- - 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:2832
  - - 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:2248
- C:\Users\Admin\AppData\Local\Temp\HD_117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
  C:\Users\Admin\AppData\Local\Temp\HD_117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe
  2⤵
  - Executes dropped EXE
  PID:2704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2324

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:2468
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259445652.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1996

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:2676
- 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:3016

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_117b0cae07bbd0360e4cb940d9e1b192084f7f84358aefe2b56086658a45fd73.exe

Filesize
14KB

MD5
9cbeda7e9ef7f61cabe23e157fc0a8e0

SHA1
f36042700a7eaaff4cc6d32ffd55d2d422972b51

SHA256
a5cfe4f08a33c1290b65025dd5f95af66e33afead0190b322291de1f6d82751a

SHA512
2f7c03e39d78398f6f445390009a43f33322608ef9e713a8fa505402856cb3b811555d5aca3fdfd591a3e4bd122cfffb6d6c86edc3ef664aef9de7510898844b

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

Filesize
2.6MB

MD5
97958c76750221e2953392782e393c54

SHA1
125961f3d7ba5404792478b929e331a3188c0e42

SHA256
93bba883b08d311455ffdcd4c2a8f70a5e5eb4294a158c840ef6757b10259f6b

SHA512
2d5cfb8751911c4d3980cf2059e87c37ef3d9cf02736d8494f8983a05677abbcc750613b2d609540e0c317b94359b74b8347491a9417b36a3ad5b2d03d6363e2

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Windows\SysWOW64\259445652.txt

Filesize
899KB

MD5
7c66da748300e588cf1915e714e0b50d

SHA1
7f4b6162cdbf8134f6b22bfbc64ded5b3b7ec9b3

SHA256
72282d752c2f4e506414a9a78c0e35b6eb68840ff59a14674259fbffa6b7a53f

SHA512
5ee020743178e24a52b17914ccbb8edafa2d02659533b19a0df50312a31f59aea534ef104f431b66c6050b46754ce6e23d6d84ae5ea8d3016f5cc265405b28c4

Download Submit
memory/1812-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1812-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1812-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download