gh0strat | f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 21:31

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General

Target

f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
Size

1.9MB
MD5

f7b75aa34ae8ad53c269094fddc9202a
SHA1

ad8b7430bc1b2c2148a672135ec4ff5c0cdaa031
SHA256

f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e
SHA512

e12810d80d21be1ae01de28f8cb3166d5dd4ed45cb299d94d51c62987ec56312aa07aa18cd7fd27113371cf6ddf0f8e62ed29fa8a2ea9f1a55e68696f499378d
SSDEEP

49152:DQZAdVyVT9n/Gg0P+WhoZpeDZPItx2apeapelI:kGdVyVT9nOgmhZOtUvlI

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1972-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1972-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1972-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1376-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/1972-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1972-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1972-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1376-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00080000000167b4-39.dat	family_gh0strat
behavioral1/memory/2940-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1376-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-41-0x0000000010000000-0x00000000101B6000-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

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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259495853.txt"	svchos.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 6 IoCs

pid	Process
1972	svchost.exe
1376	TXPlatforn.exe
2940	TXPlatforn.exe
2680	svchos.exe
2396	HD_f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
2964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
1376	TXPlatforn.exe
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
2680	svchos.exe
2692	svchost.exe
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
2692	svchost.exe
2964	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1972-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1972-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1972-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1972-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1376-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1376-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259495853.txt	svchos.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	svchos.exe
File created	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
3024	cmd.exe
2812	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2812	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1972	svchost.exe
Token: SeLoadDriverPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 712 wrote to memory of 1972	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	30
PID 1972 wrote to memory of 3024	1972	svchost.exe	32
PID 1972 wrote to memory of 3024	1972	svchost.exe	32
PID 1972 wrote to memory of 3024	1972	svchost.exe	32
PID 1972 wrote to memory of 3024	1972	svchost.exe	32
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 1376 wrote to memory of 2940	1376	TXPlatforn.exe	33
PID 712 wrote to memory of 2680	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	34
PID 712 wrote to memory of 2680	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	34
PID 712 wrote to memory of 2680	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	34
PID 712 wrote to memory of 2680	712	f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe	34
PID 3024 wrote to memory of 2812	3024	cmd.exe	36
PID 3024 wrote to memory of 2812	3024	cmd.exe	36
PID 3024 wrote to memory of 2812	3024	cmd.exe	36
PID 3024 wrote to memory of 2812	3024	cmd.exe	36
PID 2692 wrote to memory of 2964	2692	svchost.exe	40
PID 2692 wrote to memory of 2964	2692	svchost.exe	40
PID 2692 wrote to memory of 2964	2692	svchost.exe	40
PID 2692 wrote to memory of 2964	2692	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
"C:\Users\Admin\AppData\Local\Temp\f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:712
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\svchost.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:1972
- - 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\svchost.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - 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:2812
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.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:2680
- C:\Users\Admin\AppData\Local\Temp\HD_f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe
  2⤵
  - Executes dropped EXE
  PID:2396

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1376
- 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:2940

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2668

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259495853.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2964

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 Information Discovery

T1082

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
1.3MB

MD5
f1800a0eb943f7c41917aa555cd78266

SHA1
79d7773ac0e2c595a7dab6f99b453182ad4c18ca

SHA256
706bf47bbb8b60e063b57eaf1cb3636cdfd7f4758b15c14e7d2f3bbd33d2d9c6

SHA512
1f203402aec47bd14a313d8f8310bf72c5f045e19c6119f3c3b7038e9f183c90545b91423f27c53a63d4d9c1c1d169f0e013e6d5ed9823ad7f49b958a3941f48

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Users\Admin\AppData\Local\Temp\HD_f330ff7cb1812fbb9dfb58a8173136d81540f753e162c12f2baf179f7cf42f0e.exe

Filesize
645KB

MD5
00eae789b0aab1b0fbd23b830fbf1064

SHA1
e4e5fd089f6ae17c83f073cf91edc9db8189980d

SHA256
7addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7

SHA512
23a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb

Download Submit
\Windows\SysWOW64\259495853.txt

Filesize
50KB

MD5
f1acaab7e98f3bf30374ed59392ea29d

SHA1
63e701457d0d4465c9e6095cf419232b9be8351d

SHA256
750868c79a694927b7890b456fe179c6bcea1e6a424a4b41fb50bccc1e2ae10b

SHA512
a4039076b4c0393e493c0f4ff9797ec76c9bf6a2cb14a715eecadc776c4222b14bc6f7fb030b45157aa99eedd9c209585dccce5a59681f41c94aa7b157c21098

Download Submit
\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1376-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1376-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1972-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download