gh0strat | c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10

General

Target

c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe
Size

2.6MB
MD5

ad639c252e928753d4dc53ba1da48ce2
SHA1

80eccc53dc279cfb6caa8b6e9c73c0ab8ab5208d
SHA256

c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10
SHA512

55a868bba24c60e37d6298a4bcfa62efa9a10bf17419975a8fe7c66f39ab6941cfef7d0a06ac8b6af6d93d355ae0ab2d6635381bb03a6a47ded108fbf92323e4
SSDEEP

49152:6jwsbCANnKXferL7Vwe/Gg0P+WhoW9cDmn2E:gws2ANnKXOaeOgmhoWGDmn2E

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
behavioral2/memory/5536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5536-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1012-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5800-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5800-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5800-35-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1012-27-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b0f6-5.dat	family_gh0strat
behavioral2/memory/5536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5536-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1012-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5800-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5800-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5800-35-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1012-27-0x0000000010000000-0x00000000101B6000-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

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\\240600343.txt"	R.exe

Executes dropped EXE 4 IoCs

pid	Process
5772	R.exe
5536	N.exe
1012	TXPlatfor.exe
5800	TXPlatfor.exe

Loads dropped DLL 2 IoCs

pid	Process
5772	R.exe
5508	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240600343.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5536-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5536-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5536-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1012-25-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1012-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5800-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5800-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5800-35-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1012-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.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
1044	PING.EXE
1788	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1044	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	5536	N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe
5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5740 wrote to memory of 5772	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	78
PID 5740 wrote to memory of 5772	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	78
PID 5740 wrote to memory of 5772	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	78
PID 5740 wrote to memory of 5536	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	81
PID 5740 wrote to memory of 5536	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	81
PID 5740 wrote to memory of 5536	5740	c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe	81
PID 5536 wrote to memory of 1788	5536	N.exe	83
PID 5536 wrote to memory of 1788	5536	N.exe	83
PID 5536 wrote to memory of 1788	5536	N.exe	83
PID 1012 wrote to memory of 5800	1012	TXPlatfor.exe	84
PID 1012 wrote to memory of 5800	1012	TXPlatfor.exe	84
PID 1012 wrote to memory of 5800	1012	TXPlatfor.exe	84

C:\Users\Admin\AppData\Local\Temp\c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe
"C:\Users\Admin\AppData\Local\Temp\c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5740
- 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:5772
- 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:5536
- - 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 Network Configuration Discovery: Internet Connection Discovery
    PID:1788
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1044

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2500

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
PID:5508
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600343.txt",MainThread
  2⤵
  PID:2004

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\SysWOW64\TXPlatfor.exe
  C:\Windows\SysWOW64\TXPlatfor.exe -acsi
  2⤵
  - Executes dropped EXE
  PID:5800

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2.6MB

MD5
ad639c252e928753d4dc53ba1da48ce2

SHA1
80eccc53dc279cfb6caa8b6e9c73c0ab8ab5208d

SHA256
c877c2f91e7ffb1b7a1f473f4b50fe0a4a93756b150729d4dce7ced8fb379a10

SHA512
55a868bba24c60e37d6298a4bcfa62efa9a10bf17419975a8fe7c66f39ab6941cfef7d0a06ac8b6af6d93d355ae0ab2d6635381bb03a6a47ded108fbf92323e4

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\240600343.txt

Filesize
899KB

MD5
f7591c819551933d5d97fe3a9db43570

SHA1
dd31d1ceb1f0e8923a395fcd0b8b744c60022218

SHA256
895d37aedd4259052e50150dfb52b5253eccea598ad990a1f6537dae43c6b782

SHA512
2830f6996e95773967200b70b3305b24786d5feaff8b612f9edadae8ba9f2c108c4dcf211b67fc616cf7df936f84ae679912d08a2ea6cd90789c3c6940409bc8

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

Filesize
40KB

MD5
22bb5bd901d8b25ac5b41edbb7d5053e

SHA1
8a935dd8d7e104fc553ff7e8b54a404f7b079334

SHA256
8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e

SHA512
cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7

Download Submit
memory/1012-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1012-25-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/1012-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5536-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5536-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5536-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5800-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5800-35-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/5800-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

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