gh0strat | bc58f4dd5d94ef3c09e198acff2d0b76dd6748cf2d3f77d09e6eec99ec502f3b

General

Target

2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
Size

2.4MB
MD5

05a34d47e28f020da71d7d0c39fec5be
SHA1

e09ba35b926d1eab7d84d5eda617db4dd54e7035
SHA256

bc58f4dd5d94ef3c09e198acff2d0b76dd6748cf2d3f77d09e6eec99ec502f3b
SHA512

1252fb49a2a55beed6b3c3b9a50e45647783df18525b2797ac30b9e1be9d7cd342bd6c943c674bc6f432fa96805ddfd635f01e0f70a4112f83555677b78cae7f
SSDEEP

24576:X09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+bD0vMwjnT6zUqoS2KY:X09XJt4HIN2H2tFvduySqqWFK

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/2900-13-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-9-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2900-8-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-33-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-73-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2684-72-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2900-13-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-9-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2900-8-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-33-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-73-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2684-72-0x0000000010000000-0x00000000101B6000-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
2900	RVN.exe
2560	TXPlatforn.exe
2684	TXPlatforn.exe
2748	HD_2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe

Loads dropped DLL 3 IoCs

pid	Process
2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
2560	TXPlatforn.exe
2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.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/2900-6-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-13-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-9-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2900-8-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-33-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-73-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2684-72-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
File created	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	2024092605a34d47e28f020da71d7d0c39fec5beicedid.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 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	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatforn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RVN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HD_2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1964	cmd.exe
2656	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2656	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2684	TXPlatforn.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2900	RVN.exe
Token: SeLoadDriverPrivilege	2684	TXPlatforn.exe
Token: 33	2684	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2684	TXPlatforn.exe
Token: 33	2684	TXPlatforn.exe
Token: SeIncBasePriorityPrivilege	2684	TXPlatforn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2032 wrote to memory of 2900	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	30
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2560 wrote to memory of 2684	2560	TXPlatforn.exe	32
PID 2900 wrote to memory of 1964	2900	RVN.exe	33
PID 2900 wrote to memory of 1964	2900	RVN.exe	33
PID 2900 wrote to memory of 1964	2900	RVN.exe	33
PID 2900 wrote to memory of 1964	2900	RVN.exe	33
PID 2032 wrote to memory of 2748	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	34
PID 2032 wrote to memory of 2748	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	34
PID 2032 wrote to memory of 2748	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	34
PID 2032 wrote to memory of 2748	2032	2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe	34
PID 1964 wrote to memory of 2656	1964	cmd.exe	36
PID 1964 wrote to memory of 2656	1964	cmd.exe	36
PID 1964 wrote to memory of 2656	1964	cmd.exe	36
PID 1964 wrote to memory of 2656	1964	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024092605a34d47e28f020da71d7d0c39fec5beicedid.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:2032
- 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:2900
- - 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:1964
  - - 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:2656
- C:\Users\Admin\AppData\Local\Temp\HD_2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2748

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:2560
- 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:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

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
1.5MB

MD5
9da6a3e17c63fd40f9895f9a92b13532

SHA1
b21344b9cfce7776048b1fa6c6c7213e76c0c03a

SHA256
a18b9a1484b3f6bc65d98a6b018817fc909126974d56a82dfc7ca396796a4e83

SHA512
afd99dbb068c8421380f0d8a7b6284f75a910fc4e86f4d3b87e360118107804d2ac7be31250f72b2cdd07939342d144fcfed9e320663b07f4d45d8a585baacd9

Download Submit
\Users\Admin\AppData\Local\Temp\HD_2024092605a34d47e28f020da71d7d0c39fec5beicedid.exe

Filesize
951KB

MD5
43cb41f912d8d4f84785d00788e22676

SHA1
e888839f018e07321ebd46652e147ab8f9e6cd81

SHA256
40d8b1dc83923d82fbda1332ac179e29175955143c5f9df6320ecad942bb684f

SHA512
76dd0ab4cefcbe148245bec3ff8184c1ad37c82c289313cca2bb7429c36e05f7b59e0bc87f79ea0bc67df9d903d9f72357baad7e7d35471f783bbd06270784bb

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

Filesize
377KB

MD5
80ade1893dec9cab7f2e63538a464fcc

SHA1
c06614da33a65eddb506db00a124a3fc3f5be02e

SHA256
57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

SHA512
fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

Download Submit
memory/2032-89-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/2032-0-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/2560-33-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-73-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2684-72-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-8-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-9-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-13-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2900-6-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads