gh0strat | 8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 00:21

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General

Target

8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
Size

4.5MB
MD5

52a254e647716700294008a086ee6b78
SHA1

3675c9b5dabf2c4c2488446b69b5883c311e662a
SHA256

8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148
SHA512

e856c0d8cf365971948be18a4c8ec38bf38d36314606b8e675d710f89f5ad4b54ad974ba60fd649531399b815db908fea7335c9f07d0c93a7e8d08deafe591f0
SSDEEP

98304:8GdVyVT9nOgmhDILDmn2z1f6ijFULXeeDihnYlMde/Ig:jWT9nO7+vmnW1fzjS9DSYleNg

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2440-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2440-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2440-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2936-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2936-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2952-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2952-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2952-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2952-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/2440-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2440-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2440-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2936-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2936-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2952-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2952-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2952-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2952-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015d1e-38.dat	family_gh0strat
behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-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\\259399570.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
2440	svchost.exe
2936	TXPlatforn.exe
2324	svchos.exe
2952	TXPlatforn.exe
2132	HD_8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
2456	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
2936	TXPlatforn.exe
2324	svchos.exe
2604	svchost.exe
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
2604	svchost.exe
2456	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2440-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2440-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2440-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2440-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2936-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2936-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259399570.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.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
2608	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2952	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2440	svchost.exe
Token: SeLoadDriverPrivilege	2952	TXPlatforn.exe
Token: 33	2952	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2952	TXPlatforn.exe
Token: 33	2952	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2952	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 1760 wrote to memory of 2440	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	28
PID 2440 wrote to memory of 2692	2440	svchost.exe	30
PID 2440 wrote to memory of 2692	2440	svchost.exe	30
PID 2440 wrote to memory of 2692	2440	svchost.exe	30
PID 2440 wrote to memory of 2692	2440	svchost.exe	30
PID 1760 wrote to memory of 2324	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	32
PID 1760 wrote to memory of 2324	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	32
PID 1760 wrote to memory of 2324	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	32
PID 1760 wrote to memory of 2324	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	32
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2936 wrote to memory of 2952	2936	TXPlatforn.exe	33
PID 2692 wrote to memory of 2608	2692	cmd.exe	34
PID 2692 wrote to memory of 2608	2692	cmd.exe	34
PID 2692 wrote to memory of 2608	2692	cmd.exe	34
PID 2692 wrote to memory of 2608	2692	cmd.exe	34
PID 1760 wrote to memory of 2132	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	37
PID 1760 wrote to memory of 2132	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	37
PID 1760 wrote to memory of 2132	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	37
PID 1760 wrote to memory of 2132	1760	8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe	37
PID 2604 wrote to memory of 2456	2604	svchost.exe	38
PID 2604 wrote to memory of 2456	2604	svchost.exe	38
PID 2604 wrote to memory of 2456	2604	svchost.exe	38
PID 2604 wrote to memory of 2456	2604	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
"C:\Users\Admin\AppData\Local\Temp\8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- 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:2440
- - 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:2692
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2608
- 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:2324
- C:\Users\Admin\AppData\Local\Temp\HD_8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
  C:\Users\Admin\AppData\Local\Temp\HD_8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe
  2⤵
  - Executes dropped EXE
  PID:2132

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2952

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2660

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:2604
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259399570.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2456

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
1.6MB

MD5
6fe8baf37adedfe598c1f5ae517219bd

SHA1
826a3fb6c24942633e59b67e78c3a8ef6f1c2845

SHA256
ae3c2fecbbfbb160ed9bd9f87443c45f6aecce528d7595921c40b0277ac3bc81

SHA512
9438c023d54f34e90ccd70d4f9f0717bd5c10cdfd3e374eec211035230c820c4a6512528f6682cbd4801fd77e762f5ddf86d8c115372af35c3529031b9be56d7

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

Filesize
1.7MB

MD5
50c57c91fad5da6239b56e8fd0fbaf58

SHA1
35a996f6fd1d7045996b6a55a41aa5c47a641ab6

SHA256
7640af439dbf9510ddf3e0eb022341844d1d92f8e5361a27fa6ee0125e20ec78

SHA512
e69d270b7c98ca442ad73cfbd71dc35942245f4163a44a2b159609e1d526e229edf6ee121d1aa2ddb6998c384a81155d2f3cd6d9d68d3e066af09ffd124de1c5

Download Submit
\Users\Admin\AppData\Local\Temp\HD_8b0e94a696ecc068a4fdf28993b32e05b9340d4a18c53e655bd4da4da7ff0148.exe

Filesize
2.9MB

MD5
88dece8f1a7bee5396f1555d1dbdbb2b

SHA1
5d3893bc77a609ee00b8c141c9910e18d579d6a1

SHA256
2e6afedc5e107562471c8e752c711a4528cfcc48d00a927e97f3bc62386c684a

SHA512
ebe62beb84b7b268c2b8ef380cbb2ee462025b88dec3396e5583f953c8078fe72ff9b43ca812fee8773339d706d3ae4d7a9eb433030a0b22628836cb52f8d8a2

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

Filesize
93KB

MD5
3b377ad877a942ec9f60ea285f7119a2

SHA1
60b23987b20d913982f723ab375eef50fafa6c70

SHA256
62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

SHA512
af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259399570.txt

Filesize
50KB

MD5
8983dbe41b579f2430a2205f16d118ca

SHA1
ae121e1134a8eae47f25dd85ccddb6fb5a0d8285

SHA256
026f7247d75f59f4c8e62f0a9947b91b9cb944131cb52d247478675e8d8a55c6

SHA512
53807e39d332fa14e6ce47e65bf6d08903cbabc16c8a3ce0082613de649a4dab8ff9a8909c19d7d37debaf962058d5f19a5c6d952931c3c74fd733fe2d8b7113

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2440-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2440-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2440-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2440-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2936-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2936-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2952-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download