gh0strat | 227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30-05-2024 09:59

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General

Target

227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
Size

4.3MB
MD5

9d222acdf50ede594ee76ecf8ba8833a
SHA1

5009f159eeac67b7026a6d4eabc5aa5611df5385
SHA256

227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446
SHA512

1f4b2dbccd1ad686a5e7385da1ea0373823dcfd240c777a3ac7e32cf8538aa6a80c22d673eb320386acd335dfa84f382e8fbff01a466d6cfc7b079ef5e035470
SSDEEP

49152:UQZAdVyVT9n/Gg0P+WhoFubXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8bU:FGdVyVT9nOgmhMubXsPN5kiQaZ56

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/1932-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1932-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1932-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1932-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1932-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1932-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00070000000145be-38.dat	family_gh0strat
behavioral1/memory/3004-40-0x0000000010000000-0x00000000101B6000-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\\259396153.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
1932	svchost.exe
2592	TXPlatforn.exe
2604	svchos.exe
3004	TXPlatforn.exe
1964	HD_227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
1260	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 8 IoCs

pid	Process
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
2592	TXPlatforn.exe
2604	svchos.exe
2508	svchost.exe
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
2508	svchost.exe
1260	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/1932-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1932-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1932-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1932-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\259396153.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

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.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
2028	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3004	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1932	svchost.exe
Token: SeLoadDriverPrivilege	3004	TXPlatforn.exe
Token: 33	3004	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatforn.exe
Token: 33	3004	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1632 wrote to memory of 1932	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	28
PID 1932 wrote to memory of 2720	1932	svchost.exe	30
PID 1932 wrote to memory of 2720	1932	svchost.exe	30
PID 1932 wrote to memory of 2720	1932	svchost.exe	30
PID 1932 wrote to memory of 2720	1932	svchost.exe	30
PID 1632 wrote to memory of 2604	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	31
PID 1632 wrote to memory of 2604	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	31
PID 1632 wrote to memory of 2604	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	31
PID 1632 wrote to memory of 2604	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	31
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2592 wrote to memory of 3004	2592	TXPlatforn.exe	33
PID 2720 wrote to memory of 2028	2720	cmd.exe	34
PID 2720 wrote to memory of 2028	2720	cmd.exe	34
PID 2720 wrote to memory of 2028	2720	cmd.exe	34
PID 2720 wrote to memory of 2028	2720	cmd.exe	34
PID 1632 wrote to memory of 1964	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	37
PID 1632 wrote to memory of 1964	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	37
PID 1632 wrote to memory of 1964	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	37
PID 1632 wrote to memory of 1964	1632	227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe	37
PID 2508 wrote to memory of 1260	2508	svchost.exe	38
PID 2508 wrote to memory of 1260	2508	svchost.exe	38
PID 2508 wrote to memory of 1260	2508	svchost.exe	38
PID 2508 wrote to memory of 1260	2508	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
"C:\Users\Admin\AppData\Local\Temp\227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632
- 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:1932
- - 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:2720
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2028
- 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:2604
- C:\Users\Admin\AppData\Local\Temp\HD_227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
  C:\Users\Admin\AppData\Local\Temp\HD_227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe
  2⤵
  - Executes dropped EXE
  PID:1964

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2592
- 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:3004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2460

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:2508
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259396153.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1260

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

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Downloads

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

Filesize
1.2MB

MD5
98382284395f41a1621263aec75ab986

SHA1
e67a8f435173fb56461e99e7f2fee18258be0cd3

SHA256
40d365ff46f8597846b695ecef3a92aa661b54f01335f735a0df7e25e5b9bedf

SHA512
d25ddb1d97a28918ef8117e463ae0638898125b7f178e7ea618d38585efa78255e4935b89201355a36c56054e9165923382b2624e689f0d5c5d93c29c2f7dbb3

Download Submit
\Users\Admin\AppData\Local\Temp\HD_227aa56d9b7b368d7936a5b759d3fd02ff8e094c3db7b5f072f484d24d2e2446.exe

Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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\259396153.txt

Filesize
50KB

MD5
4323808b553aaf9b386a095c823c42c3

SHA1
3d4ab3d1d15d76b5dfc49f88297f74bd7f578cae

SHA256
b727c9755928f6e0db7d241367ba195b697363579b1ee30a29cc547d1504cde9

SHA512
6c5f2cee7d38ff8b36ce46a8a5cd403c9ccb31314c7d03d2c4173fb6c38808d35a9e375c06940d0cfbb17e48d8725d988be1ed3be609dd80f6da5f8ca5294957

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1932-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1932-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1932-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1932-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download