gh0strat | e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 12:38

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General

Target

e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
Size

2.5MB
MD5

d9f4f1369cbee0aae9cf7a5ed85bde63
SHA1

6dbcc1ed9cc802f63c6ddce2e44531d64102f9bb
SHA256

e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b
SHA512

1ae96b1d66903d4352af076cdba303f63573ae5dd35237625e60e9001b99515c9690d749eebecfb202143c3b602c9a0a2fceb7fde654f401049b06ebd8cd2b2a
SSDEEP

24576:TCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHt:TCwsbCANnKXferL7Vwe/Gg0P+WhvrYv

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/2732-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2732-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2472-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0007000000018b62-6.dat	family_gh0strat
behavioral1/memory/2732-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2732-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2472-45-0x0000000010000000-0x00000000101B6000-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\\259485277.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
2848	R.exe
2732	N.exe
2224	TXPlatfor.exe
2472	TXPlatfor.exe
1720	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
2848	R.exe
2576	svchost.exe
2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
2224	TXPlatfor.exe
2576	svchost.exe
1720	Remote Data.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259485277.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2732-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2732-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2472-45-0x0000000010000000-0x00000000101B6000-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	svchost.exe
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	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R.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
2548	cmd.exe
1004	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1004	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2472	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2732	N.exe
Token: SeLoadDriverPrivilege	2472	TXPlatfor.exe
Token: 33	2472	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2472	TXPlatfor.exe
Token: 33	2472	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2472	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2848	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	29
PID 2308 wrote to memory of 2848	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	29
PID 2308 wrote to memory of 2848	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	29
PID 2308 wrote to memory of 2848	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	29
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2308 wrote to memory of 2732	2308	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	32
PID 2732 wrote to memory of 2548	2732	N.exe	34
PID 2732 wrote to memory of 2548	2732	N.exe	34
PID 2732 wrote to memory of 2548	2732	N.exe	34
PID 2732 wrote to memory of 2548	2732	N.exe	34
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2224 wrote to memory of 2472	2224	TXPlatfor.exe	35
PID 2548 wrote to memory of 1004	2548	cmd.exe	37
PID 2548 wrote to memory of 1004	2548	cmd.exe	37
PID 2548 wrote to memory of 1004	2548	cmd.exe	37
PID 2548 wrote to memory of 1004	2548	cmd.exe	37
PID 2576 wrote to memory of 1720	2576	svchost.exe	39
PID 2576 wrote to memory of 1720	2576	svchost.exe	39
PID 2576 wrote to memory of 1720	2576	svchost.exe	39
PID 2576 wrote to memory of 1720	2576	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
"C:\Users\Admin\AppData\Local\Temp\e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2308
- 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:2848
- 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:2732
- - 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:2548
  - - 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:1004

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1760

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:2576
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259485277.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1720

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:2224
- 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:2472

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\Desktop\CompleteRename.exe

Filesize
3.1MB

MD5
bac56fd41fca89f7385845b9d6969648

SHA1
d6f8420c7ba0de1bcb2ad8349834d0f7ab3b8d5a

SHA256
34444a0db78d972311d2f1c56838510d462b78c9ed2a1465131d2b696f07316c

SHA512
ed21d886f79010013b8848f7c73d6cec80df74a23a3ed2cb8139c07bd374c8706ed6dc3df9b215d1b3a620a8c604c38bb9845c15f4628425081e25b088ebf17b

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\259485277.txt

Filesize
899KB

MD5
cf674eeffb027bb45140385b5cb23e62

SHA1
5cc2d2a78f4025f9989010d0df26b64b6b67cc5e

SHA256
6418dde3419e902cd4b8d1d43f9f498b8695a04012155a85c96a8030b4d2d27d

SHA512
68f5d7f24e2ddc16eec186964cc6864cbf018af3ae3de853e650839833a62c5398aef6bfb1b45b0ad5285274740d580ef2df8fbc783a79b2366133268517e211

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2472-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-40-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2472-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2732-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2732-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2732-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads