gh0strat | 986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 10:44

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General

Target

986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
Size

1.2MB
MD5

a77b36449174d458981210bfaf922b32
SHA1

21c6afb5b56f280da16eca8a1f14bf0bb76d8f27
SHA256

986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720
SHA512

da7afb942e4e014ef9a2380f5ee6c582bb7eb4d8c6a9f61652ce3134c85ade368c6b309e6a7e9c7ed1e91c302644890db675ede871f680fb922412f01a9e6f1b
SSDEEP

24576:RQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV0p:RQZAdVyVT9n/Gg0P+Whopp

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2608-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2608-12-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2608-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2780-26-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2764-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2608-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2608-12-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2608-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2780-26-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000018f84-37.dat	family_gh0strat
behavioral1/memory/2764-39-0x0000000010000000-0x00000000101B6000-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\\259517288.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
2608	svchost.exe
2780	TXPlatforn.exe
2344	svchos.exe
2764	TXPlatforn.exe
2596	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
2780	TXPlatforn.exe
2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
2344	svchos.exe
2656	svchost.exe
2656	svchost.exe
2596	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-12-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2780-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2764-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe
File created	C:\Windows\SysWOW64\259517288.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
File created	C:\Windows\SysWOW64\TXPlatforn.exe	svchost.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.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	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2944	cmd.exe
2852	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2852	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2764	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2608	svchost.exe
Token: SeLoadDriverPrivilege	2764	TXPlatforn.exe
Token: 33	2764	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatforn.exe
Token: 33	2764	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2764	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2612 wrote to memory of 2608	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	29
PID 2608 wrote to memory of 2944	2608	svchost.exe	31
PID 2608 wrote to memory of 2944	2608	svchost.exe	31
PID 2608 wrote to memory of 2944	2608	svchost.exe	31
PID 2608 wrote to memory of 2944	2608	svchost.exe	31
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2780 wrote to memory of 2764	2780	TXPlatforn.exe	33
PID 2612 wrote to memory of 2344	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	34
PID 2612 wrote to memory of 2344	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	34
PID 2612 wrote to memory of 2344	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	34
PID 2612 wrote to memory of 2344	2612	986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe	34
PID 2944 wrote to memory of 2852	2944	cmd.exe	35
PID 2944 wrote to memory of 2852	2944	cmd.exe	35
PID 2944 wrote to memory of 2852	2944	cmd.exe	35
PID 2944 wrote to memory of 2852	2944	cmd.exe	35
PID 2656 wrote to memory of 2596	2656	svchost.exe	38
PID 2656 wrote to memory of 2596	2656	svchost.exe	38
PID 2656 wrote to memory of 2596	2656	svchost.exe	38
PID 2656 wrote to memory of 2596	2656	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.exe
"C:\Users\Admin\AppData\Local\Temp\986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720.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:2612
- 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:2608
- - 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:2944
  - - 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:2852
- 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:2344

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:2780
- 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:2764

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2700

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:2656
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259517288.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2596

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
1.2MB

MD5
a77b36449174d458981210bfaf922b32

SHA1
21c6afb5b56f280da16eca8a1f14bf0bb76d8f27

SHA256
986f01a7f2ee9420d7a332eb0c8f433de0a9ccaf17bcd254dde03403d60ae720

SHA512
da7afb942e4e014ef9a2380f5ee6c582bb7eb4d8c6a9f61652ce3134c85ade368c6b309e6a7e9c7ed1e91c302644890db675ede871f680fb922412f01a9e6f1b

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\259517288.txt

Filesize
50KB

MD5
65090db22b50a2a5ee037d0cdb4f3c56

SHA1
9b3f2a689964b17bb570a10ac9970f9f2a3a8efd

SHA256
10ae8aeb86b23207f77195d85caffe552b8f084b52d4bf9bf51c8e69feed784d

SHA512
45f1ab8a64cc5c918ceabe208a6080a3a45cb79c74191c6951ab269412cb144e715d2f0d5be073f8f37f2bd89f42ece9dfea17a172f5df684b2a0d0d9a933e16

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2608-12-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2764-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2780-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads