gh0strat | 46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 16:06

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General

Target

46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
Size

3.4MB
MD5

adead0ade9e54595dc25995836224836
SHA1

cd9f5a8e842d06f732137da388dab8cbf7c48134
SHA256

46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1
SHA512

bd71b611e0c7df0b3586fa03980f7cc3479b5ed54aca313d00332cf41172c44a5bc3911fcb8b768690d3377b8c0ab39c6dc9cc2b18ffc54536e0f5ce1d391415
SSDEEP

49152:nCwsbCANnKXferL7Vwe/Gg0P+Whfy1eXyDFeWLcmaMAi:Cws2ANnKXOaeOgmhm4eFeWLcmB

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2544-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2544-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2468-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x000800000001746a-6.dat	family_gh0strat
behavioral1/memory/2544-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2544-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2468-51-0x0000000010000000-0x00000000101B6000-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

description	ioc	Process
File created	C:\Windows\system32\drivers\QAssist.sys	TXPlatfor.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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259457290.txt"	R.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"	TXPlatfor.exe

Executes dropped EXE 6 IoCs

pid	Process
3008	R.exe
2544	N.exe
2536	TXPlatfor.exe
2468	TXPlatfor.exe
2488	HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
2884	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
3008	R.exe
2680	svchost.exe
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
2536	TXPlatfor.exe
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
2680	svchost.exe
2884	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe
File created	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259457290.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2468-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 9 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_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2216	cmd.exe
2612	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2612	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2468	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2544	N.exe
Token: SeLoadDriverPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe
Token: 33	2468	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2468	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
2488	HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
2488	HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 3008	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	29
PID 1564 wrote to memory of 3008	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	29
PID 1564 wrote to memory of 3008	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	29
PID 1564 wrote to memory of 3008	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	29
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 1564 wrote to memory of 2544	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	32
PID 2544 wrote to memory of 2216	2544	N.exe	34
PID 2544 wrote to memory of 2216	2544	N.exe	34
PID 2544 wrote to memory of 2216	2544	N.exe	34
PID 2544 wrote to memory of 2216	2544	N.exe	34
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 2536 wrote to memory of 2468	2536	TXPlatfor.exe	36
PID 1564 wrote to memory of 2488	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	37
PID 1564 wrote to memory of 2488	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	37
PID 1564 wrote to memory of 2488	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	37
PID 1564 wrote to memory of 2488	1564	46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe	37
PID 2216 wrote to memory of 2612	2216	cmd.exe	38
PID 2216 wrote to memory of 2612	2216	cmd.exe	38
PID 2216 wrote to memory of 2612	2216	cmd.exe	38
PID 2216 wrote to memory of 2612	2216	cmd.exe	38
PID 2680 wrote to memory of 2884	2680	svchost.exe	39
PID 2680 wrote to memory of 2884	2680	svchost.exe	39
PID 2680 wrote to memory of 2884	2680	svchost.exe	39
PID 2680 wrote to memory of 2884	2680	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
"C:\Users\Admin\AppData\Local\Temp\46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.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:3008
- C:\Users\Admin\AppData\Local\Temp\N.exe
  C:\Users\Admin\AppData\Local\Temp\\N.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:2544
- - 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\N.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2216
  - - 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:2612
- C:\Users\Admin\AppData\Local\Temp\HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
  C:\Users\Admin\AppData\Local\Temp\HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2488

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2568

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259457290.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2884

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.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:2468

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 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
2.3MB

MD5
f6ad7a44dae219daf695a7ef5fbacfaf

SHA1
3d1905b8b9dbf4cc170b5911d66c7dcd6a19b0b5

SHA256
f2c1977f3073969ea7c8ef0c07cd59ae2a34fc858481050bd14e9fc14dd25bdd

SHA512
4dbf2cbd85046ac2b4dba3b15081930acd97dfc30ce678d62a1f48215dbb81b551a31231f5c34a842d158df9442eaa4a2d561dfd6afe701941ee0bfd19331542

Download Submit
\Users\Admin\AppData\Local\Temp\HD_46763a0b546cc6169da10a80746680fe7ea7fe525d195dbf86a22d0863dce1b1.exe

Filesize
1.1MB

MD5
537b771dd9973805a370f369732729d4

SHA1
233b6e4e590bb72bca9a6536f0994ca80bbcf9cc

SHA256
9efa833dba79ee36185cdc30fe95d29ff56e80cd38a9c945a59d465f6ea36071

SHA512
8bff0b00fb5a6adda3065c911c0177c323029809c3b340d9b4d7a74d2e66216e36c67aa2195cd80a7aaa3fe45f20abc8261a251b280b2643cc470d374ca15050

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259457290.txt

Filesize
899KB

MD5
b1a5e800a201b187a73a56dc7e746cf3

SHA1
45862ac1dd106153a5bb9a62a651afd709fb9b5f

SHA256
142f120106879d9196c2840cddcbcc8f5eda5e61824f2115ce8c7fa9c024440f

SHA512
97dacb8fff38f15f2a32e162a07d031a6ee492bdcd1b55ce3cd95a0cbcd379ce59efb70e0d5b15c05e34ab7da7f7328f5d845e0a986206fbf86e9e6a2d21a4e3

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2468-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2468-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2544-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download