gh0strat | 2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 22:07

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General

Target

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
Size

1.6MB
MD5

7a1597eeb724107c7370122d37a90089
SHA1

923e9b9f6c49c3775a1ec9aba3e7dde3882e92b1
SHA256

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a
SHA512

df7bfd59af49cee0f62deecd3273fac4695a3157fcd23d297076bc43d4768a86b664455d7a71dfceffc85478b9858cda89d9aad31089cfc9764e9a324b653747
SSDEEP

24576:sQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVXEG1Bo7o:sQZAdVyVT9n/Gg0P+WhoR8BY

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2100-24-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2640-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2100-24-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2640-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/files/0x0007000000015e05-39.dat	family_gh0strat
behavioral1/memory/2640-41-0x0000000010000000-0x00000000101B6000-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
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Drops file in Drivers directory 1 IoCs

Processes:

TXPlatforn.exe

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

Processes:

svchos.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\259463374.txt"	svchos.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatforn.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatforn.exe

Executes dropped EXE 5 IoCs

Processes:

svchost.exeTXPlatforn.exeTXPlatforn.exesvchos.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
2100	svchost.exe
2472	TXPlatforn.exe
2640	TXPlatforn.exe
2680	svchos.exe
2376	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Loads dropped DLL 7 IoCs

Processes:

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exeTXPlatforn.exesvchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exe

pid	Process
2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
2472	TXPlatforn.exe
2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
2680	svchos.exe
2564	svchost.exe
2564	svchost.exe
2376	Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

Drops file in System32 directory 6 IoCs

Processes:

svchos.exesvchost.exesvchost.exe

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\259463374.txt	svchos.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2100-5-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2100-24-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2640-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

Processes:

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.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

Processes:

Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exesvchost.exeTXPlatforn.exesvchos.execmd.exePING.EXEsvchost.exe

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	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.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	svchos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

cmd.exePING.EXE

pid	Process
1504	cmd.exe
2716	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2716	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatforn.exe

pid	Process
2640	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeTXPlatforn.exe

description	pid	Process
Token: SeIncBasePriorityPrivilege	2100	svchost.exe
Token: SeLoadDriverPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe
Token: 33	2640	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2640	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe

pid	Process
2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exesvchost.exeTXPlatforn.execmd.exesvchost.exe

description	pid	Process	procid_target
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2500 wrote to memory of 2100	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	31
PID 2100 wrote to memory of 1504	2100	svchost.exe	33
PID 2100 wrote to memory of 1504	2100	svchost.exe	33
PID 2100 wrote to memory of 1504	2100	svchost.exe	33
PID 2100 wrote to memory of 1504	2100	svchost.exe	33
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2472 wrote to memory of 2640	2472	TXPlatforn.exe	35
PID 2500 wrote to memory of 2680	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	36
PID 2500 wrote to memory of 2680	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	36
PID 2500 wrote to memory of 2680	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	36
PID 2500 wrote to memory of 2680	2500	2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe	36
PID 1504 wrote to memory of 2716	1504	cmd.exe	37
PID 1504 wrote to memory of 2716	1504	cmd.exe	37
PID 1504 wrote to memory of 2716	1504	cmd.exe	37
PID 1504 wrote to memory of 2716	1504	cmd.exe	37
PID 2564 wrote to memory of 2376	2564	svchost.exe	41
PID 2564 wrote to memory of 2376	2564	svchost.exe	41
PID 2564 wrote to memory of 2376	2564	svchost.exe	41
PID 2564 wrote to memory of 2376	2564	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.exe
"C:\Users\Admin\AppData\Local\Temp\2fed16c611def5de27192784ad786a574faeec1458268accc558e956b573813a.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:2500
- 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:2100
- - 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:1504
  - - 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:2716
- 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:2680

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:2472
- 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:2640

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
1⤵
PID:2712

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:2564
- C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
  C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259463374.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2376

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

Replay Monitor

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Downloads

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

Filesize
1.4MB

MD5
90dfec600330396dd76667c8788e6531

SHA1
19f3d4e3527a4cf2eb9ed38efb7e8e357f867e42

SHA256
a99e40b9837dcde0af1fc2dbe117958d718d570633e77b7d89178326952e60e5

SHA512
4f8b75ca97f443a6e62804338a0c8a2223b4831006d692576373879a75ff2b8f6c1f319d352a5255a119f97e9f8b385d50b5f5acbec68d19bcaeba72808c0505

Download Submit
C:\Users\Admin\Desktop\ReceiveRequest.exe

Filesize
2.2MB

MD5
abb1842375b59de6ac578cfb2af9ca8c

SHA1
d6d35a4290f05ce6ad6b343272fe3e94587d1fb5

SHA256
9d46ba86f92b942f87bcda4f6f64bd78553eafc9e07e55ec229a425e0b263f4a

SHA512
f495aa0e9c5f51fc7936d2ad92d5942e5fee0376c46027a3efe5b422fc4940805a29dd548a0c32b3505e2c13196d2e5b0388eb31c3abac241530a432318f8936

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\259463374.txt

Filesize
50KB

MD5
932cfb87539f4dcbce586f778ee2877a

SHA1
e68d6983b53ca3b0927ad06c5e7a589ec3437f68

SHA256
138c645bf95914b28ce616e139543387b82d799e0e99d4e92a180876fd59b4f9

SHA512
63a05bdff3f5f3c7debbda47062218304566e31ab0846569b77ade30bdc60a54d7b1303ed6ece629661b3bcdff822aafeac1f81d02dc74faaa89db23293d60a0

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

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2100-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-24-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2100-5-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2640-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download