gh0strat | e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 01:06

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General

Target

e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe
Size

2.9MB
MD5

34f98815686c95c2705fffe72bcaf232
SHA1

6305b1e08b00931c1ec5bea70caaabe055f5bbed
SHA256

e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca
SHA512

6603c354ea266665ac9ebba693d498b31b9668951abc03ee4d65fdb6d00415a033efc6a93e59279d66e93d11dee409e63a3ffd67a76dcc1fb63ceea5f0b744a6
SSDEEP

49152:sCwsbCANnKXferL7Vwe/Gg0P+Whcg5ZLTRbG:/ws2ANnKXOaeOgmhZ5ZLTRbG

Score

10^/10

gh0strat purplefox discovery persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2524-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x000800000001707e-6.dat	family_gh0strat
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2524-46-0x0000000010000000-0x00000000101B6000-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\\259452579.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 5 IoCs

pid	Process
2152	R.exe
2644	N.exe
2992	TXPlatfor.exe
2524	TXPlatfor.exe
2836	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe
2152	R.exe
2680	svchost.exe
2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe
2992	TXPlatfor.exe
2680	svchost.exe
2836	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\259452579.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2524-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

description	ioc	Process
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	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.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	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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
2584	cmd.exe
2700	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2700	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2524	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2644	N.exe
Token: SeLoadDriverPrivilege	2524	TXPlatfor.exe
Token: 33	2524	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2524	TXPlatfor.exe
Token: 33	2524	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2524	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe
2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2152	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	31
PID 2372 wrote to memory of 2152	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	31
PID 2372 wrote to memory of 2152	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	31
PID 2372 wrote to memory of 2152	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	31
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2372 wrote to memory of 2644	2372	e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe	34
PID 2644 wrote to memory of 2584	2644	N.exe	36
PID 2644 wrote to memory of 2584	2644	N.exe	36
PID 2644 wrote to memory of 2584	2644	N.exe	36
PID 2644 wrote to memory of 2584	2644	N.exe	36
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2992 wrote to memory of 2524	2992	TXPlatfor.exe	37
PID 2584 wrote to memory of 2700	2584	cmd.exe	39
PID 2584 wrote to memory of 2700	2584	cmd.exe	39
PID 2584 wrote to memory of 2700	2584	cmd.exe	39
PID 2584 wrote to memory of 2700	2584	cmd.exe	39
PID 2680 wrote to memory of 2836	2680	svchost.exe	40
PID 2680 wrote to memory of 2836	2680	svchost.exe	40
PID 2680 wrote to memory of 2836	2680	svchost.exe	40
PID 2680 wrote to memory of 2836	2680	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe
"C:\Users\Admin\AppData\Local\Temp\e271a11ae31d0d680e24557d94061b5a93096d8d5c53f966035f9ab6a9916aca.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2152
- 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:2644
- - 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:2584
  - - 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:2700

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2800

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\259452579.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2836

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:2992
- 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:2524

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

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Downloads

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

Filesize
2.6MB

MD5
b3f0c92ac9e4b403cee3427108e901b1

SHA1
94fe86022fbda63fa25553ba99d104c27e12b866

SHA256
26657a5d35b012d6c1baca495fe714ee16502690c8ec754e1bd6254625d9c3ee

SHA512
8111cad7ca5e8c9210521601147f3e501760ee3f18169f3b399e656cb7a337295424eb2d8658f3ec802edae86c8eb9ee1ae194d4864444a524d0e5ee58335713

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259452579.txt

Filesize
899KB

MD5
cd349673d8d4751dc96c5382d1144b61

SHA1
1e1acbac903c427aee8fb2d2e3029e508b592fdd

SHA256
d6ade4b3c61c221bfc6f3553bdee760fdd3c3c67ce013ab51312c55eaf96aa9d

SHA512
29b643e03271b0f34b077e4fcbe510f935dd56653bc6d4d2d833a754650f7c36cf57d5a3d99e76ccc69ef720b7b7444213bd1ae40f4ff0eef097a7376f221b18

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2524-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2524-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2644-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download