gh0strat | e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-11-2024 05:09

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General

Target

e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
Size

2.5MB
MD5

4256e159d84900202b80f998b0d24d51
SHA1

d5fa1d523eab526d025c61404aa7340fd771e153
SHA256

e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777
SHA512

a2f80d6460e6165dcc6215c7493b71a0d8ace7850f7f034e4b514bf6f6bc8cc9cf2290ebce1bf8e4a9ce270734f6d6223890d639f528e73c830d01d328a1b30c
SSDEEP

24576:sCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH6:sCwsbCANnKXferL7Vwe/Gg0P+WhB/x5

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/2596-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2596-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2836-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016d4b-6.dat	family_gh0strat
behavioral1/memory/2596-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2596-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2836-43-0x0000000010000000-0x00000000101B6000-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\\259430988.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
2508	R.exe
2596	N.exe
2952	TXPlatfor.exe
2836	TXPlatfor.exe
2780	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
2508	R.exe
1760	svchost.exe
1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
2952	TXPlatfor.exe
1760	svchost.exe
2780	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\259430988.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/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2596-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2836-43-0x0000000010000000-0x00000000101B6000-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	N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TXPlatfor.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	Remote Data.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
2864	cmd.exe
2884	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2884	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2836	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2596	N.exe
Token: SeLoadDriverPrivilege	2836	TXPlatfor.exe
Token: 33	2836	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2836	TXPlatfor.exe
Token: 33	2836	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2836	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2508	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	30
PID 1832 wrote to memory of 2508	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	30
PID 1832 wrote to memory of 2508	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	30
PID 1832 wrote to memory of 2508	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	30
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 1832 wrote to memory of 2596	1832	e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe	33
PID 2596 wrote to memory of 2864	2596	N.exe	35
PID 2596 wrote to memory of 2864	2596	N.exe	35
PID 2596 wrote to memory of 2864	2596	N.exe	35
PID 2596 wrote to memory of 2864	2596	N.exe	35
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2952 wrote to memory of 2836	2952	TXPlatfor.exe	36
PID 2864 wrote to memory of 2884	2864	cmd.exe	38
PID 2864 wrote to memory of 2884	2864	cmd.exe	38
PID 2864 wrote to memory of 2884	2864	cmd.exe	38
PID 2864 wrote to memory of 2884	2864	cmd.exe	38
PID 1760 wrote to memory of 2780	1760	svchost.exe	39
PID 1760 wrote to memory of 2780	1760	svchost.exe	39
PID 1760 wrote to memory of 2780	1760	svchost.exe	39
PID 1760 wrote to memory of 2780	1760	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe
"C:\Users\Admin\AppData\Local\Temp\e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832
- 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:2508
- 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:2596
- - 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:2864
  - - 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:2884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2440

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:1760
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259430988.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2780

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:2952
- 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:2836

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
2.5MB

MD5
4256e159d84900202b80f998b0d24d51

SHA1
d5fa1d523eab526d025c61404aa7340fd771e153

SHA256
e741c94ecfcf316b573ea23d9a0d3c0b63efa570329353a7e12e8012af545777

SHA512
a2f80d6460e6165dcc6215c7493b71a0d8ace7850f7f034e4b514bf6f6bc8cc9cf2290ebce1bf8e4a9ce270734f6d6223890d639f528e73c830d01d328a1b30c

Download Submit
C:\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\259430988.txt

Filesize
899KB

MD5
7a0a3a5a4df84d73965a486668ac584d

SHA1
8bd004ca9da6d92998ac3a09a00cd3aa14f6475f

SHA256
172df2a77d34d319d569023c3b6b5ba55cde0e214304303883fd2f1f319cd3e0

SHA512
a7cf84e296072eaf3bf7a996c0af1344e8257b9bdebbac80d7acbaf019e16beac6751962919a38cc5fad13377eb8c43c3902af67e41f2c205d96773306fb4fad

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2596-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2596-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2596-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2836-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads