gh0strat | f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26/06/2024, 01:25

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General

Target

f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
Size

12.2MB
MD5

175731a6e42f8b20b23cce660a8ec4ad
SHA1

99cfbe7d8178cac8c015393d68026b464ac791da
SHA256

f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa
SHA512

d65c91b0bde0c0673e80dcec29b75df33ab9384b9a8ec70d3def68080155ba2e7958182015afe53695eeecf514ad1db59ceec1ae115be967e8563b5c5d61f9e6
SSDEEP

98304:iws2ANnKXOaeOgmhZnBUl990lpUK/CQsyHHVwKt0C4APi+nIQbEooKidtyJBAUZA:4KXbeO7zA8QsnSi4w9nIIEHdoJVQ+O

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2616-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2616-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0034000000016126-6.dat	family_gh0strat
behavioral1/memory/2616-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2616-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-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	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\\259400412.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
2040	R.exe
2616	N.exe
2588	TXPlatfor.exe
2636	TXPlatfor.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2572	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2040	R.exe
2684	svchost.exe
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2588	TXPlatfor.exe
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2684	svchost.exe
2572	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2616-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2616-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259400412.txt	R.exe
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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2788	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2636	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2616	N.exe
Token: SeLoadDriverPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe
Token: 33	2636	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2636	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
2460	HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2040	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	28
PID 2752 wrote to memory of 2040	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	28
PID 2752 wrote to memory of 2040	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	28
PID 2752 wrote to memory of 2040	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	28
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2752 wrote to memory of 2616	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	31
PID 2616 wrote to memory of 2704	2616	N.exe	33
PID 2616 wrote to memory of 2704	2616	N.exe	33
PID 2616 wrote to memory of 2704	2616	N.exe	33
PID 2616 wrote to memory of 2704	2616	N.exe	33
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2588 wrote to memory of 2636	2588	TXPlatfor.exe	34
PID 2752 wrote to memory of 2460	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	36
PID 2752 wrote to memory of 2460	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	36
PID 2752 wrote to memory of 2460	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	36
PID 2752 wrote to memory of 2460	2752	f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe	36
PID 2704 wrote to memory of 2788	2704	cmd.exe	37
PID 2704 wrote to memory of 2788	2704	cmd.exe	37
PID 2704 wrote to memory of 2788	2704	cmd.exe	37
PID 2704 wrote to memory of 2788	2704	cmd.exe	37
PID 2684 wrote to memory of 2572	2684	svchost.exe	38
PID 2684 wrote to memory of 2572	2684	svchost.exe	38
PID 2684 wrote to memory of 2572	2684	svchost.exe	38
PID 2684 wrote to memory of 2572	2684	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
"C:\Users\Admin\AppData\Local\Temp\f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752
- 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
  PID:2040
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2788
- C:\Users\Admin\AppData\Local\Temp\HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2460

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2628

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400412.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2572

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2588
- 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:2636

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

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
2.8MB

MD5
d8264bccb08663b1ee56acfa8b97c60d

SHA1
6db4fc02d8ac16876599897bc701b93c41198673

SHA256
c80f95b7f35868cd60c03c76abc3bb03803b67e43650d327ba47461e200069ed

SHA512
bf23ff390a218727ed28fdcc82b21f08734c3532d6d549b26d8e546de4a3fa1d28111ac43a309a666e39c6178ab5af7105d52cc98fff86eb976787f360182bf5

Download Submit
\Users\Admin\AppData\Local\Temp\HD_f0d18717841c0907a304667d6a0c1beebcd91a820c25067cdd899591ead59efa.exe

Filesize
9.4MB

MD5
8fa1191ac56bcd73e2655160df0a7460

SHA1
80e03e8966b9a5a868fcfc1ff37d343db815b0b4

SHA256
f7d3f2bf7b138e2c72942eafbba50155aa851be461631d6a16d61fbfb8b42e9e

SHA512
dc2c40d3a339b78903f70bc1b3fa5955c560016ddddc0d649856ba5dd535d9bd49e7bf9e19d099ef1638e9ff29d8b33ed7e6e2d28970a5532711c876c91983a8

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259400412.txt

Filesize
899KB

MD5
5657168012e531883f07fd43eed6b5aa

SHA1
d702a23655d8baabe4c23a80347f7f9f39726797

SHA256
b1490eb1402afbfca06a6687e283c8e3deabf0065ae5f0e43fa8985b8e6b3ba0

SHA512
5f57a76a7580bed7e72308494117b2d4098af5abcec6e26f49f5355bc40187720329038fd72dd3c165cbe7e5dc908929d2db6f560822acbaf277e743da93e897

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2616-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2616-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2616-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2636-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download