gh0strat | e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 12:34

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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 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/932-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2804-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0008000000016644-6.dat	family_gh0strat
behavioral1/memory/932-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2804-43-0x0000000010000000-0x00000000101B6000-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\\259442626.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
2628	R.exe
932	N.exe
3032	TXPlatfor.exe
2804	TXPlatfor.exe
2576	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
2628	R.exe
1928	svchost.exe
2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
3032	TXPlatfor.exe
1928	svchost.exe
2576	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\259442626.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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/932-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/932-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/932-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2804-43-0x0000000010000000-0x00000000101B6000-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	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.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	N.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

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
2772	cmd.exe
804	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
804	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2804	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	932	N.exe
Token: SeLoadDriverPrivilege	2804	TXPlatfor.exe
Token: 33	2804	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2804	TXPlatfor.exe
Token: 33	2804	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2804	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2628	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	30
PID 2092 wrote to memory of 2628	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	30
PID 2092 wrote to memory of 2628	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	30
PID 2092 wrote to memory of 2628	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	30
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 2092 wrote to memory of 932	2092	e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe	33
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 3032 wrote to memory of 2804	3032	TXPlatfor.exe	37
PID 932 wrote to memory of 2772	932	N.exe	36
PID 932 wrote to memory of 2772	932	N.exe	36
PID 932 wrote to memory of 2772	932	N.exe	36
PID 932 wrote to memory of 2772	932	N.exe	36
PID 2772 wrote to memory of 804	2772	cmd.exe	39
PID 2772 wrote to memory of 804	2772	cmd.exe	39
PID 2772 wrote to memory of 804	2772	cmd.exe	39
PID 2772 wrote to memory of 804	2772	cmd.exe	39
PID 1928 wrote to memory of 2576	1928	svchost.exe	40
PID 1928 wrote to memory of 2576	1928	svchost.exe	40
PID 1928 wrote to memory of 2576	1928	svchost.exe	40
PID 1928 wrote to memory of 2576	1928	svchost.exe	40

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:2092
- 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:2628
- 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:932
- - 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:2772
  - - 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:804

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2980

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:1928
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259442626.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2576

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:3032
- 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:2804

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
d9f4f1369cbee0aae9cf7a5ed85bde63

SHA1
6dbcc1ed9cc802f63c6ddce2e44531d64102f9bb

SHA256
e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b

SHA512
1ae96b1d66903d4352af076cdba303f63573ae5dd35237625e60e9001b99515c9690d749eebecfb202143c3b602c9a0a2fceb7fde654f401049b06ebd8cd2b2a

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\259442626.txt

Filesize
899KB

MD5
5bcbe4462c98c0934fcbe7c2d0f4686e

SHA1
e7144c9a6e2d598f925c1873f49450392b13ca66

SHA256
bbc3117f2c53015447a0df0ae1c8db15eb246f465254b0a6d47b07a6b7c8a332

SHA512
efe50ae3147e37461b040395c8166ea6cd278194ad2a525645112a796332789687aa949b9cc978379ad607e72546a8d3a3e4548b10f9ebd1470e231fe8e3aba4

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/932-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/932-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2804-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads