gh0strat | c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 14:07

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General

Target

c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
Size

1.5MB
MD5

495a9cf68c64d8e7f3bdfa1b39264b82
SHA1

a643741b695cbf8d97f12aa44eaa37b53edc7748
SHA256

c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9
SHA512

7f4ddc164f023e305624b12b411909573f74aa16106945925cf6c8eb92fb09a5daa847199e77ef001501fab02529009b884713b41ab49ea8f4ac458d465e3287
SSDEEP

24576:709tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+AWvsL0vO2:709XJt4HIN2H2tFvduySha0vO2

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/2848-7-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2848-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3020-18-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2848-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2848-7-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2848-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3020-18-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2848-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-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 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 4 IoCs

pid	Process
2848	RVN.exe
3020	TXPlatforn.exe
2940	TXPlatforn.exe
1780	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe

Loads dropped DLL 8 IoCs

pid	Process
2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
3020	TXPlatforn.exe
2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
2756	WerFault.exe
2756	WerFault.exe
2756	WerFault.exe
2756	WerFault.exe
2756	WerFault.exe

Drops file in System32 directory 2 IoCs

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

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2848-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2848-7-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2848-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3020-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2848-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	1780	WerFault.exe	34

System Location Discovery: System Language Discovery 1 TTPs 6 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	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.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	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.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
2068	cmd.exe
1156	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1156	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2940	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2848	RVN.exe
Token: SeLoadDriverPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe
Token: 33	2940	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2940	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2864 wrote to memory of 2848	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	30
PID 2848 wrote to memory of 2068	2848	RVN.exe	32
PID 2848 wrote to memory of 2068	2848	RVN.exe	32
PID 2848 wrote to memory of 2068	2848	RVN.exe	32
PID 2848 wrote to memory of 2068	2848	RVN.exe	32
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 3020 wrote to memory of 2940	3020	TXPlatforn.exe	33
PID 2864 wrote to memory of 1780	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	34
PID 2864 wrote to memory of 1780	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	34
PID 2864 wrote to memory of 1780	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	34
PID 2864 wrote to memory of 1780	2864	c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	34
PID 1780 wrote to memory of 2756	1780	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	35
PID 1780 wrote to memory of 2756	1780	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	35
PID 1780 wrote to memory of 2756	1780	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	35
PID 1780 wrote to memory of 2756	1780	HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe	35
PID 2068 wrote to memory of 1156	2068	cmd.exe	37
PID 2068 wrote to memory of 1156	2068	cmd.exe	37
PID 2068 wrote to memory of 1156	2068	cmd.exe	37
PID 2068 wrote to memory of 1156	2068	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
"C:\Users\Admin\AppData\Local\Temp\c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\RVN.exe
  C:\Users\Admin\AppData\Local\Temp\\RVN.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:2848
- - 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\RVN.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2068
  - - 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:1156
- C:\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
  C:\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 44
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2756

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:3020
- 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:2940

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

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
1.1MB

MD5
addea43921744e90f36ae11feb3ba695

SHA1
1dfccc9e4f2ffae953f563c1e97d18ee6f606730

SHA256
ee1eb99f6d686b401d46400b0d2046f61e17d4bf3b81e9fa6875a5f7dadffa87

SHA512
28d096410ba222f230b9d4971cf886a8c1a29e9f79cab00e40bd5bc759ff1a57073b559c52b3a9ee490ba6a1b367afa01f9cf845fe3127e113757fc0476f2b41

Download Submit
\Users\Admin\AppData\Local\Temp\HD_c283afa77e363f4e704f799434bd0dd83d1b545b6197cb975b5cd15f7637fca9.exe

Filesize
382KB

MD5
4234e76a1b12c5f76b264c99540fd736

SHA1
afd7b46e145f66f7f260b4d720977b366bca8ad8

SHA256
8f9fe72ba974d046e3178e96cf38007a8640bcb179bf83708d64d5e5e21096cf

SHA512
89eeb028bea5ce6323ad90f67aedbdb2a1b9ab3f903a58d9b665a4193c44fe3de77b985401d46af3f3923190d404e9ab9333b3a58cbb075a07842e0a082f2ef1

Download Submit
\Users\Admin\AppData\Local\Temp\RVN.exe

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2848-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2848-7-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2848-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2848-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-30-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2940-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3020-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3020-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download