gh0strat | a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
31-08-2024 13:37

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General

Target

a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
Size

1.6MB
MD5

0c1225063d3263dd814cfcaf13c3bae7
SHA1

997c159f1aa3b13fff1eeb2c40fe5cad66bfb046
SHA256

a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5
SHA512

a3c0bbce2a45455b46850e3582e359ae7281f1912308365d0f7ebe9672fa510fb4af8caa7223d83dbcb2c59d4cb5074031bb5f844b2dc81cf3fd379138416780
SSDEEP

24576:4QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVDV:4QZAdVyVT9n/Gg0P+WhoSV

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 9 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/1708-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1708-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1708-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1160-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/1160-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/1708-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1708-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1708-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1160-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2028-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/1160-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2028-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2028-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0006000000018764-40.dat	family_gh0strat
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-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\\259445013.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
1708	svchost.exe
1160	TXPlatforn.exe
2028	TXPlatforn.exe
1864	svchos.exe
2856	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
1160	TXPlatforn.exe
2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
1864	svchos.exe
2724	svchost.exe
2724	svchost.exe
2856	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/1708-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1708-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1708-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1708-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1160-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/1160-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2028-38-0x0000000010000000-0x00000000101B6000-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\259445013.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 (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.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	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	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
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

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
2080	cmd.exe
2740	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2740	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2028	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1708	svchost.exe
Token: SeLoadDriverPrivilege	2028	TXPlatforn.exe
Token: 33	2028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2028	TXPlatforn.exe
Token: 33	2028	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2028	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 2548 wrote to memory of 1708	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	30
PID 1708 wrote to memory of 2080	1708	svchost.exe	32
PID 1708 wrote to memory of 2080	1708	svchost.exe	32
PID 1708 wrote to memory of 2080	1708	svchost.exe	32
PID 1708 wrote to memory of 2080	1708	svchost.exe	32
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 1160 wrote to memory of 2028	1160	TXPlatforn.exe	33
PID 2548 wrote to memory of 1864	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	34
PID 2548 wrote to memory of 1864	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	34
PID 2548 wrote to memory of 1864	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	34
PID 2548 wrote to memory of 1864	2548	a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe	34
PID 2080 wrote to memory of 2740	2080	cmd.exe	36
PID 2080 wrote to memory of 2740	2080	cmd.exe	36
PID 2080 wrote to memory of 2740	2080	cmd.exe	36
PID 2080 wrote to memory of 2740	2080	cmd.exe	36
PID 2724 wrote to memory of 2856	2724	svchost.exe	40
PID 2724 wrote to memory of 2856	2724	svchost.exe	40
PID 2724 wrote to memory of 2856	2724	svchost.exe	40
PID 2724 wrote to memory of 2856	2724	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe
"C:\Users\Admin\AppData\Local\Temp\a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- 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:1708
- - 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:2080
  - - 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:2740
- 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:1864

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:1160
- 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:2028

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2616

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:2724
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259445013.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2856

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

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Downloads

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

Filesize
1.6MB

MD5
0c1225063d3263dd814cfcaf13c3bae7

SHA1
997c159f1aa3b13fff1eeb2c40fe5cad66bfb046

SHA256
a32c0b4818aba1372a28efb492ba42beb4d5971bd88285283115b6f8db4cb2f5

SHA512
a3c0bbce2a45455b46850e3582e359ae7281f1912308365d0f7ebe9672fa510fb4af8caa7223d83dbcb2c59d4cb5074031bb5f844b2dc81cf3fd379138416780

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\svchost.exe

Filesize
377KB

MD5
a4329177954d4104005bce3020e5ef59

SHA1
23c29e295e2dbb8454012d619ca3f81e4c16e85a

SHA256
6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

SHA512
81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

Download Submit
\Windows\SysWOW64\259445013.txt

Filesize
50KB

MD5
3191474b9111466e497e544de66aa429

SHA1
7be0b7e1f7bf26e888eaa6b86517353993717b6f

SHA256
a9baec285b72a7f3bf1b78692d091c2a3059a19585edd073a79afe11cc67778a

SHA512
4b8847fe0404157c40fa8340b5a1b4cf6fb27c901aeea586a723879a6f681bfcbd7cb0c8cd7a27025c6c917bb0da660ea35d7fa5f3a5068f2da834c08a9dbee5

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1160-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1160-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1708-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1708-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1708-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1708-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2028-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2028-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2028-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2028-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads