gh0strat | 8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 06:46

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General

Target

8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
Size

1.3MB
MD5

7dacaf8f4c453492fdc6dc4518836edf
SHA1

51b7e21729a229938370eb17d3534bdcdca687ce
SHA256

8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8
SHA512

55532284f720c49081caf132cbe49249017b0b7243a6ec5d12b52f5f4ef591dcaa710a976e331fcefa597a59899c0e5ab7419f79bd3ce1c25339b4f00a055b75
SSDEEP

24576:jQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVZwpePSyn2D:jQZAdVyVT9n/Gg0P+WhorpePSyn2D

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/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3016-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2584-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3016-27-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015c6b-37.dat	family_gh0strat
behavioral1/memory/2584-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2584-40-0x0000000010000000-0x00000000101B6000-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\\259395779.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 5 IoCs

pid	Process
1956	svchost.exe
3016	TXPlatforn.exe
2280	svchos.exe
2584	TXPlatforn.exe
2744	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
3016	TXPlatforn.exe
2280	svchos.exe
2728	svchost.exe
2728	svchost.exe
2744	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/1956-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3016-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2584-40-0x0000000010000000-0x00000000101B6000-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\259395779.txt	svchos.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.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
2688	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2584	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1956	svchost.exe
Token: SeLoadDriverPrivilege	2584	TXPlatforn.exe
Token: 33	2584	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2584	TXPlatforn.exe
Token: 33	2584	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2584	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 2392 wrote to memory of 1956	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	28
PID 1956 wrote to memory of 2376	1956	svchost.exe	30
PID 1956 wrote to memory of 2376	1956	svchost.exe	30
PID 1956 wrote to memory of 2376	1956	svchost.exe	30
PID 1956 wrote to memory of 2376	1956	svchost.exe	30
PID 2392 wrote to memory of 2280	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	31
PID 2392 wrote to memory of 2280	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	31
PID 2392 wrote to memory of 2280	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	31
PID 2392 wrote to memory of 2280	2392	8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe	31
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 3016 wrote to memory of 2584	3016	TXPlatforn.exe	33
PID 2376 wrote to memory of 2688	2376	cmd.exe	34
PID 2376 wrote to memory of 2688	2376	cmd.exe	34
PID 2376 wrote to memory of 2688	2376	cmd.exe	34
PID 2376 wrote to memory of 2688	2376	cmd.exe	34
PID 2728 wrote to memory of 2744	2728	svchost.exe	37
PID 2728 wrote to memory of 2744	2728	svchost.exe	37
PID 2728 wrote to memory of 2744	2728	svchost.exe	37
PID 2728 wrote to memory of 2744	2728	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe
"C:\Users\Admin\AppData\Local\Temp\8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2392
- 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:1956
- - 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:2376
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2688
- 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:2280

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016
- 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:2584

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2472

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:2728
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395779.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2744

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

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Downloads

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

Filesize
1.3MB

MD5
7dacaf8f4c453492fdc6dc4518836edf

SHA1
51b7e21729a229938370eb17d3534bdcdca687ce

SHA256
8cf39271a874b4e74a21cc145cb41f4f16e9408cec7ac5026e3510f5fcd042d8

SHA512
55532284f720c49081caf132cbe49249017b0b7243a6ec5d12b52f5f4ef591dcaa710a976e331fcefa597a59899c0e5ab7419f79bd3ce1c25339b4f00a055b75

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\259395779.txt

Filesize
50KB

MD5
723cc99aadec3cc0c7dfd9ac28184496

SHA1
60ce3d1d7a7014bd5a54180e510f60f7c805c0fe

SHA256
8ff4fda725a9b163628287407a515249e99f21bd5451a5f5ae95031e92e2820e

SHA512
cf987393755f9fa87a57eb7fe30ae0bd3933e9ca6c6236c413e6e06efdfea425d6b0fe9035d70b8ed7cade956e378e8c4b3341be8fcf8abb3b506e3af74c920a

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1956-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1956-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2584-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3016-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads