gh0strat | a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8

General

Target

a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe
Size

2.5MB
MD5

1a855b5395347374906f94d37daa2a66
SHA1

7bf4c5dad25f12f6f24c155334c9266f28834160
SHA256

a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8
SHA512

51e52caa3be35622d34f0dbfb28b8e0cbfafe8dbddf17916cf52291c0acb5f63dac81bf947b13a3a0402e7496a4a67cb0d5e5dedc1427b90db8725c4b3934a17
SSDEEP

24576:8CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHx:8CwsbCANnKXferL7Vwe/Gg0P+WhFA

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 8 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3348-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3348-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3480-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3480-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3348-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4840-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233b4-5.dat	family_gh0strat
behavioral2/memory/3348-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3348-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3480-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3480-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3348-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4840-52-0x0000000010000000-0x00000000101B6000-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

Sets DLL path for service in the 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\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240598875.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
4696	R.exe
3348	N.exe
3480	TXPlatfor.exe
4840	TXPlatfor.exe
1284	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4696	R.exe
608	svchost.exe
1284	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3348-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3480-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3480-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3480-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3348-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4840-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240598875.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
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3084	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4840	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3348	N.exe
Token: SeLoadDriverPrivilege	4840	TXPlatfor.exe
Token: 33	4840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4840	TXPlatfor.exe
Token: 33	4840	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4840	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe
4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 4696	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	81
PID 4728 wrote to memory of 4696	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	81
PID 4728 wrote to memory of 4696	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	81
PID 4728 wrote to memory of 3348	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	84
PID 4728 wrote to memory of 3348	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	84
PID 4728 wrote to memory of 3348	4728	a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe	84
PID 3348 wrote to memory of 4500	3348	N.exe	86
PID 3348 wrote to memory of 4500	3348	N.exe	86
PID 3348 wrote to memory of 4500	3348	N.exe	86
PID 3480 wrote to memory of 4840	3480	TXPlatfor.exe	87
PID 3480 wrote to memory of 4840	3480	TXPlatfor.exe	87
PID 3480 wrote to memory of 4840	3480	TXPlatfor.exe	87
PID 4500 wrote to memory of 3084	4500	cmd.exe	89
PID 4500 wrote to memory of 3084	4500	cmd.exe	89
PID 4500 wrote to memory of 3084	4500	cmd.exe	89
PID 608 wrote to memory of 1284	608	svchost.exe	94
PID 608 wrote to memory of 1284	608	svchost.exe	94
PID 608 wrote to memory of 1284	608	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe
"C:\Users\Admin\AppData\Local\Temp\a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Local\Temp\R.exe
  C:\Users\Admin\AppData\Local\Temp\\R.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:4696
- 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:3348
- - 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:4500
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:3084

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1036

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:608
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240598875.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1284

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3480
- 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:4840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

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
1a855b5395347374906f94d37daa2a66

SHA1
7bf4c5dad25f12f6f24c155334c9266f28834160

SHA256
a0d70c2fb2d63168b6c93c272362a29e525bcd597a6e7bd5541e88c2ec886ba8

SHA512
51e52caa3be35622d34f0dbfb28b8e0cbfafe8dbddf17916cf52291c0acb5f63dac81bf947b13a3a0402e7496a4a67cb0d5e5dedc1427b90db8725c4b3934a17

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
C:\Windows\SysWOW64\240598875.txt

Filesize
899KB

MD5
e01e4b0ca3723b18c769b19c1f0c3513

SHA1
3be04e331536ef3641db949b4df5aea2a7613ed5

SHA256
c1560497bf0631f1e98b81e216f24c651dfa3a773e5c5f21097e3597e0b117e3

SHA512
602d6f26b1230403eb89492856cfb35401062df0f1e748f806bc33ffaa47f606591c4bccad10faf1496a16b731ded119e2c09db45faca86fa612a36d1342038c

Download Submit
C:\Windows\SysWOW64\Remote Data.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/3348-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3348-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3480-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3480-26-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3480-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/4840-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads