gh0strat | c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 19:10

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General

Target

c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
Size

1.7MB
MD5

2f044e006395ed94c494788b44c96782
SHA1

f9bde1dc9be53df56db9e56520cf3632ecc3914b
SHA256

c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd
SHA512

01994ad06a55bc4223bf4bc60226eb6de3db3d84d8dc9a408705b0282b9f495a81c4f5c76edb6a19c7923d47161ae9df611bd8215a5b2a30bcfb05d917194f40
SSDEEP

24576:NQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVzILUsWAsXILeiWA:NQZAdVyVT9n/Gg0P+Whoc4Fa4V

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2668-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2596-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015d85-31.dat	family_gh0strat
behavioral1/memory/2668-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2668-40-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259398836.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
2680	svchost.exe
2596	TXPlatforn.exe
2876	svchos.exe
2668	TXPlatforn.exe
2796	HD_c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2180	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 9 IoCs

pid	Process
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2596	TXPlatforn.exe
2876	svchos.exe
2452	svchost.exe
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2452	svchost.exe
2180	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2668-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259398836.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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2644	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2668	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2680	svchost.exe
Token: SeLoadDriverPrivilege	2668	TXPlatforn.exe
Token: 33	2668	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatforn.exe
Token: 33	2668	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2668	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2172 wrote to memory of 2680	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	28
PID 2680 wrote to memory of 2552	2680	svchost.exe	30
PID 2680 wrote to memory of 2552	2680	svchost.exe	30
PID 2680 wrote to memory of 2552	2680	svchost.exe	30
PID 2680 wrote to memory of 2552	2680	svchost.exe	30
PID 2172 wrote to memory of 2876	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	32
PID 2172 wrote to memory of 2876	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	32
PID 2172 wrote to memory of 2876	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	32
PID 2172 wrote to memory of 2876	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	32
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2596 wrote to memory of 2668	2596	TXPlatforn.exe	33
PID 2552 wrote to memory of 2644	2552	cmd.exe	34
PID 2552 wrote to memory of 2644	2552	cmd.exe	34
PID 2552 wrote to memory of 2644	2552	cmd.exe	34
PID 2552 wrote to memory of 2644	2552	cmd.exe	34
PID 2172 wrote to memory of 2796	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	37
PID 2172 wrote to memory of 2796	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	37
PID 2172 wrote to memory of 2796	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	37
PID 2172 wrote to memory of 2796	2172	c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe	37
PID 2452 wrote to memory of 2180	2452	svchost.exe	38
PID 2452 wrote to memory of 2180	2452	svchost.exe	38
PID 2452 wrote to memory of 2180	2452	svchost.exe	38
PID 2452 wrote to memory of 2180	2452	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
"C:\Users\Admin\AppData\Local\Temp\c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2552
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2644
- C:\Users\Admin\AppData\Local\Temp\svchos.exe
  C:\Users\Admin\AppData\Local\Temp\\svchos.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\HD_c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe
  2⤵
  - Executes dropped EXE
  PID:2796

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2596
- 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:2668

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2408

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259398836.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2180

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.5MB

MD5
cce1a859ab03da5a5208ac4e93a799f8

SHA1
5f0608604dc0097334782d9663b33a6c29340920

SHA256
021ae8545a112b014928a7763becf50336672d5a54901e6e91b8a4f9a52e55ca

SHA512
44dbe159fb5853160f6c88fa79cf2422b68a2e1f549f3779426e9350cc159a7997e36853eb1670a0de668c100387dc2ddd4227b540c3c2f6f8b66dd318ac8a6a

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

Filesize
1.5MB

MD5
dc28108dac8a50a563da79014d9aae99

SHA1
c781988d85a93d165ff081eac03655b089a42b2c

SHA256
00b4d2fd0e622fa5e2bb175e7f81e7514de95574ee603ab2663dda93db18f008

SHA512
50000c30339e819179bfba537460897312d0f9087b4234427c0fcbc07bde2b2a5c80a8f87cb3cd38cbcff8854a6bfee3dad13fead1d08932fd4c1d81fb6fc96b

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

Download Submit
\Users\Admin\AppData\Local\Temp\HD_c58c9e31bb8e4ae3aa7e365babb436eeaba1ffbcdc36ccb9b59910c6778717dd.exe

Filesize
226KB

MD5
b2b65f2569b7940e6d9152e87b5c86e8

SHA1
af3db7d76e5b46fd375689213145e9349cf34bb8

SHA256
e79e17925b72439954264b511a635e7750bafb178b7f17e9eb03648cabe209d0

SHA512
c683e1d8f8ac752e02f1896964b9b131d5a44be6e621886b0da134f28f58da1494d19eeb32f6452aab0080d95969b55a3351925ebe0fd8ba42896dd81c0e3da5

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259398836.txt

Filesize
50KB

MD5
73d01d8f207d1948738fff1559a2d743

SHA1
ac2bb513b2413f92e02009fb6a64dae7859891d5

SHA256
a1ce576b8c94ae3dac6e74b61adfb121ccf7886e2da27dd59394162ea259c9bc

SHA512
48a48593166039e2439ea333b6a6ce5d6235999769a1ed63bbb844398ae3389d3b282783c45a35e23e72d5992f549d9ad1e889ebe7d69754a1c5ba5863ffc894

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2596-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2668-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2680-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download