gh0strat | e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 01:42

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General

Target

e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
Size

2.6MB
MD5

cd1885c7528ce1e52b5017706ee83c20
SHA1

3e070a93d2fa467887377b1329f7771a096e83a3
SHA256

e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9
SHA512

4f3f2201c8c15335c4d1cdd2529724f89345cae2b7edb37fe946d52bb780082b8ebe6b4fa8714656e66657d1ba9fa58492f1769a5c6459abaa4d015ec176ea1b
SSDEEP

49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuW3:pws2ANnKXOaeOgmhI1BTuW3

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/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3020-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3020-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3020-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x00070000000186ca-6.dat	family_gh0strat
behavioral1/memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3020-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3020-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3020-49-0x0000000010000000-0x00000000101B6000-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\\259517085.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
2376	R.exe
2352	N.exe
3036	TXPlatfor.exe
3020	TXPlatfor.exe
2676	HD_e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
1640	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
2376	R.exe
2132	svchost.exe
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
3036	TXPlatfor.exe
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
2132	svchost.exe
1640	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
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\259517085.txt	R.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2352-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3020-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3020-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3020-49-0x0000000010000000-0x00000000101B6000-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	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	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.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

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
2648	cmd.exe
2704	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2704	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3020	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2352	N.exe
Token: SeLoadDriverPrivilege	3020	TXPlatfor.exe
Token: 33	3020	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3020	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2376	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	29
PID 1756 wrote to memory of 2376	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	29
PID 1756 wrote to memory of 2376	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	29
PID 1756 wrote to memory of 2376	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	29
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 1756 wrote to memory of 2352	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	32
PID 2352 wrote to memory of 2648	2352	N.exe	34
PID 2352 wrote to memory of 2648	2352	N.exe	34
PID 2352 wrote to memory of 2648	2352	N.exe	34
PID 2352 wrote to memory of 2648	2352	N.exe	34
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 3036 wrote to memory of 3020	3036	TXPlatfor.exe	35
PID 1756 wrote to memory of 2676	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	36
PID 1756 wrote to memory of 2676	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	36
PID 1756 wrote to memory of 2676	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	36
PID 1756 wrote to memory of 2676	1756	e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe	36
PID 2648 wrote to memory of 2704	2648	cmd.exe	39
PID 2648 wrote to memory of 2704	2648	cmd.exe	39
PID 2648 wrote to memory of 2704	2648	cmd.exe	39
PID 2648 wrote to memory of 2704	2648	cmd.exe	39
PID 2132 wrote to memory of 1640	2132	svchost.exe	40
PID 2132 wrote to memory of 1640	2132	svchost.exe	40
PID 2132 wrote to memory of 1640	2132	svchost.exe	40
PID 2132 wrote to memory of 1640	2132	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
"C:\Users\Admin\AppData\Local\Temp\e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756
- 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:2376
- 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:2352
- - 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:2648
  - - 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:2704
- C:\Users\Admin\AppData\Local\Temp\HD_e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe
  2⤵
  - Executes dropped EXE
  PID:2676

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1376

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:2132
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259517085.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1640

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:3036
- 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:3020

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

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Downloads

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\HD_e997edf72555f3680da9629adbb90280fe9f60434c5b4843abd3e7783934a8a9.exe

Filesize
17KB

MD5
98f351ce7f7d988f7da4bd2616cdb96b

SHA1
e2ab3dddd0830b3e43a5aa0820af1cf7a2b093e3

SHA256
a85728bd3e3a3e59b575aa25c37c2afda1fd655b951ab6d4d276ba164717fb23

SHA512
4fe8c856d4b8af01900eb3cd463bca13d00644fa203a300296c8296f91bdf1eb275579a2e9d63f4a2fd7ccc650ccfe99451a49df0ec9416599360904a2a8e7c4

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
\Windows\SysWOW64\259517085.txt

Filesize
899KB

MD5
9884913a7a9e2ace4596bac0ba40c68b

SHA1
8cff2678e1f365ff358d7ceae577b76ba6c26397

SHA256
7f9e28002ac8d2ca7ebcab3f8b8ba831ed00b11da466f505f46a03be783605de

SHA512
82aacebe1a144408ceea4186864749ba6aaebbbaf70dee587cce6ff2b0c102d644ea4e1bd8e930991e5e6d93af99e4740daed1c944943234fa48be9742868970

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2352-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2352-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3020-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3020-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3020-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download