gh0strat | a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 16:34

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General

Target

a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
Size

3.3MB
MD5

d5f42dce7aab3140d26a1ae53ab70f90
SHA1

ad74a58814f7326c003926ef6fbde4ade3376d22
SHA256

a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e
SHA512

cc3e164e49a9709702aa867a8c22de7dcab3190fe5c0b291b7f7d0a3a4a8bc23d5bf59d6512e582f55aa55bba9c98ec7b12d4fc1b959c77238061487b72e46e0
SSDEEP

49152:3jwsbCANnKXferL7Vwe/Gg0P+WhWXbiuqHjNee:Tws2ANnKXOaeOgmhWrTmjNee

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2344-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2960-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0031000000015cf5-6.dat	family_gh0strat
behavioral1/memory/2344-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2960-51-0x0000000010000000-0x00000000101B6000-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
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	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\\259400194.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
2420	R.exe
2344	N.exe
2832	TXPlatfor.exe
2960	TXPlatfor.exe
2556	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2856	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2420	R.exe
2488	svchost.exe
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2832	TXPlatfor.exe
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2488	svchost.exe
2856	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2344-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2344-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2960-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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\259400194.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2072	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2960	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2344	N.exe
Token: SeLoadDriverPrivilege	2960	TXPlatfor.exe
Token: 33	2960	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2960	TXPlatfor.exe
Token: 33	2960	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2960	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2556	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
2556	HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2420	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	28
PID 2204 wrote to memory of 2420	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	28
PID 2204 wrote to memory of 2420	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	28
PID 2204 wrote to memory of 2420	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	28
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2204 wrote to memory of 2344	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	31
PID 2344 wrote to memory of 2772	2344	N.exe	33
PID 2344 wrote to memory of 2772	2344	N.exe	33
PID 2344 wrote to memory of 2772	2344	N.exe	33
PID 2344 wrote to memory of 2772	2344	N.exe	33
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2832 wrote to memory of 2960	2832	TXPlatfor.exe	34
PID 2204 wrote to memory of 2556	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	35
PID 2204 wrote to memory of 2556	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	35
PID 2204 wrote to memory of 2556	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	35
PID 2204 wrote to memory of 2556	2204	a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe	35
PID 2772 wrote to memory of 2072	2772	cmd.exe	37
PID 2772 wrote to memory of 2072	2772	cmd.exe	37
PID 2772 wrote to memory of 2072	2772	cmd.exe	37
PID 2772 wrote to memory of 2072	2772	cmd.exe	37
PID 2488 wrote to memory of 2856	2488	svchost.exe	38
PID 2488 wrote to memory of 2856	2488	svchost.exe	38
PID 2488 wrote to memory of 2856	2488	svchost.exe	38
PID 2488 wrote to memory of 2856	2488	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
"C:\Users\Admin\AppData\Local\Temp\a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204
- 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
  PID:2420
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2072
- C:\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
  C:\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2556

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2212

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400194.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2856

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2832
- 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: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

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
2.4MB

MD5
1c20f9019b20d6c63927a86f46eaef66

SHA1
2d0c7e551bf0fd97972edc3b74b1e8cdca761da8

SHA256
588fb671e513488d15e2905aa705235d5a0bfca4f9dd9611ffeb22ae68b8d65d

SHA512
075b8c785c4daf62d2e57a488c504d3f5a4c600e4e638023642dc240c35a750adcd73666a696c0f2767d25c5070928685932c7bdc56c06d0ad4baaa98231dc4e

Download Submit
\Users\Admin\AppData\Local\Temp\HD_a1fe9f566bad4b592b2ed36f835020fd6699cf86d97ebca99e96327d6e9b051e.exe

Filesize
964KB

MD5
270a2384570f9caa83c61bc8920fd1e4

SHA1
a975d2eed3a7f2f11cb2c569847618e049214aea

SHA256
e95269c310ba98afda0456b58a11e77d736149ae7f0474bc640a77590afe42bb

SHA512
218d6bcaca127f08b923202b0b09c0db445e275bdd21acc3789060c0ca25443194ec9a09fcd1aba5ad1855d69f2113f062b89239b6c2e96c21331701f98745d3

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\259400194.txt

Filesize
899KB

MD5
ac23212ecff034d7ab33a4b8741f153c

SHA1
54a829ade23f96dec0335edd0b0bd5a5f96893c5

SHA256
4afed47035363fc5d0d9cef817ef3e8613cf5371e45e87e29d92fde68035af3c

SHA512
12125379441aee88af865b1f78fc05d5e7381d410ce6310b8702353f31f1b65208d1dcf6455ee43242c19ac0f1cc30ddb797f279c0a80c757d61aa8ceadc3567

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2344-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2344-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2344-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2960-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download