gh0strat | b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/07/2024, 12:52

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General

Target

b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
Size

1.4MB
MD5

0a04bb97a3363040ceeee992e4d1b9ee
SHA1

df80eb99cb1d4bf660c8e26b0d9018473e76f426
SHA256

b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6
SHA512

49b6aae2894db70ad6752fa1957d10fe6c78cb8d9284768f29cdbdc61ed1d533fbba4488f7b3a8c5365808318de2eb86695d1dc627dd60aa670a7b694c3b4b83
SSDEEP

24576:OQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVmwpeIC:OQZAdVyVT9n/Gg0P+WhogpeIC

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/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2652-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2620-79-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x00080000000166c7-34.dat	family_gh0strat
behavioral1/memory/2652-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2620-79-0x0000000010000000-0x00000000101B6000-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\\259420973.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
3004	svchost.exe
2652	TXPlatforn.exe
2672	svchos.exe
2620	TXPlatforn.exe
2960	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

pid	Process
2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
2652	TXPlatforn.exe
2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
2672	svchos.exe
828	svchost.exe
828	svchost.exe
2960	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/3004-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2652-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2620-79-0x0000000010000000-0x00000000101B6000-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\259420973.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	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.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
584	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2620	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3004	svchost.exe
Token: SeLoadDriverPrivilege	2620	TXPlatforn.exe
Token: 33	2620	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2620	TXPlatforn.exe
Token: 33	2620	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2620	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 2752 wrote to memory of 3004	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	30
PID 3004 wrote to memory of 2528	3004	svchost.exe	32
PID 3004 wrote to memory of 2528	3004	svchost.exe	32
PID 3004 wrote to memory of 2528	3004	svchost.exe	32
PID 3004 wrote to memory of 2528	3004	svchost.exe	32
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2652 wrote to memory of 2620	2652	TXPlatforn.exe	34
PID 2752 wrote to memory of 2672	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	35
PID 2752 wrote to memory of 2672	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	35
PID 2752 wrote to memory of 2672	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	35
PID 2752 wrote to memory of 2672	2752	b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe	35
PID 2528 wrote to memory of 584	2528	cmd.exe	36
PID 2528 wrote to memory of 584	2528	cmd.exe	36
PID 2528 wrote to memory of 584	2528	cmd.exe	36
PID 2528 wrote to memory of 584	2528	cmd.exe	36
PID 828 wrote to memory of 2960	828	svchost.exe	39
PID 828 wrote to memory of 2960	828	svchost.exe	39
PID 828 wrote to memory of 2960	828	svchost.exe	39
PID 828 wrote to memory of 2960	828	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe
"C:\Users\Admin\AppData\Local\Temp\b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752
- 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:3004
- - 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:2528
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:584
- 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
  PID:2672

C:\Windows\SysWOW64\TXPlatforn.exe
C:\Windows\SysWOW64\TXPlatforn.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2652
- 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:2620

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:332

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:828
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259420973.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2960

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

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
1.4MB

MD5
0a04bb97a3363040ceeee992e4d1b9ee

SHA1
df80eb99cb1d4bf660c8e26b0d9018473e76f426

SHA256
b33e4054ab4486801324fe3eaa4489e56699e75b2aedab22f0c31ec8adb5fff6

SHA512
49b6aae2894db70ad6752fa1957d10fe6c78cb8d9284768f29cdbdc61ed1d533fbba4488f7b3a8c5365808318de2eb86695d1dc627dd60aa670a7b694c3b4b83

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\259420973.txt

Filesize
50KB

MD5
a3bdb5dd896511d341a5a60393bbe5e1

SHA1
d79c33b36e776fa9c6195f711eeff9ba0098301b

SHA256
ebdff877a8786703df35e6c10004370c9b982109f6174ffc4f56e2fdc39a80cd

SHA512
3540a6dca712bc0a2f202bddedd15c17cab07477085bc65d7cd357e0ff00abf0ed9d6fa680b46d688fa68affa173aea633d0696a625b1ef87901280d0f04acbb

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2620-79-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2620-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2652-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads