gh0strat | 9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5

General

Target

9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
Size

2.7MB
MD5

fec5182b15c507b788ba6e9bb98c54aa
SHA1

01cddf99425079246796b0de4482214ea03d647c
SHA256

9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5
SHA512

fe3a6e208281e78188ac3f2a694434a0d2e502e26c01e9cf4aedb79c44b3e314ba5601a01b38d2f83a13742233b2c6ea5b0e2e74d5c30250daa7c12c17911e70
SSDEEP

49152:tCwsbCANnKXferL7Vwe/Gg0P+WhnaD3t6:Qws2ANnKXOaeOgmhna56

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/668-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/668-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/668-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2076-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2076-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2000-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2000-55-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2000-57-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000800000002340f-5.dat	family_gh0strat
behavioral2/memory/668-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/668-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/668-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2076-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2076-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2000-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2000-55-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2000-57-0x0000000010000000-0x00000000101B6000-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\\240601859.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 6 IoCs

pid	Process
3032	R.exe
668	N.exe
2076	TXPlatfor.exe
2000	TXPlatfor.exe
1872	HD_9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
3680	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
3032	R.exe
4816	svchost.exe
3680	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/668-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/668-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/668-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/668-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2076-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2076-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2076-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2000-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2000-55-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2000-57-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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\240601859.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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.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
4688	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2000	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	668	N.exe
Token: SeLoadDriverPrivilege	2000	TXPlatfor.exe
Token: 33	2000	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2000	TXPlatfor.exe
Token: 33	2000	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2000	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 3032	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	84
PID 3424 wrote to memory of 3032	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	84
PID 3424 wrote to memory of 3032	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	84
PID 3424 wrote to memory of 668	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	87
PID 3424 wrote to memory of 668	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	87
PID 3424 wrote to memory of 668	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	87
PID 668 wrote to memory of 4940	668	N.exe	91
PID 668 wrote to memory of 4940	668	N.exe	91
PID 668 wrote to memory of 4940	668	N.exe	91
PID 2076 wrote to memory of 2000	2076	TXPlatfor.exe	92
PID 2076 wrote to memory of 2000	2076	TXPlatfor.exe	92
PID 2076 wrote to memory of 2000	2076	TXPlatfor.exe	92
PID 3424 wrote to memory of 1872	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	93
PID 3424 wrote to memory of 1872	3424	9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe	93
PID 4940 wrote to memory of 4688	4940	cmd.exe	96
PID 4940 wrote to memory of 4688	4940	cmd.exe	96
PID 4940 wrote to memory of 4688	4940	cmd.exe	96
PID 4816 wrote to memory of 3680	4816	svchost.exe	102
PID 4816 wrote to memory of 3680	4816	svchost.exe	102
PID 4816 wrote to memory of 3680	4816	svchost.exe	102

C:\Users\Admin\AppData\Local\Temp\9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
"C:\Users\Admin\AppData\Local\Temp\9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3424
- 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:3032
- 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:668
- - 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:4940
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4688
- C:\Users\Admin\AppData\Local\Temp\HD_9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
  C:\Users\Admin\AppData\Local\Temp\HD_9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe
  2⤵
  - Executes dropped EXE
  PID:1872

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4852

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:4816
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601859.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3680

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2076
- 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:2000

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_9f36a2b1b3fbf21253aa21a4a69a7c09b16d6ca900e1af0c6fd712022b5374a5.exe

Filesize
317KB

MD5
0a517617fa6c7e44a020bcacf0720d88

SHA1
25bcba21aa7914a79b2cf46a34b543bd8980de53

SHA256
ab10beef398961ee542678cdb398440bd12d2585d91895a8e39b98cf2765e99c

SHA512
2e8e3bcb399e8a640b9d00eb2b104022e2cb28bc0fd6c40d4ce8941b3af5437989c21af0e8ed1ed6a6ea772efdf9723c64708ea3dec196369e1ef71efe3e868b

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

Filesize
2.4MB

MD5
a0983755001514ca8a683e90ac8bfadb

SHA1
d573902d920683c6d0487e84a84b76cf5bbc801a

SHA256
88e30f9dcd33a3abe045b9cca4e0a651fcb29df29850d6737740f2a6fc1ba3ea

SHA512
3682b18319f45545862491a2763e39952b22bd59848b0f9d4587d73f0c71b4d8d5be079990ff9c5a9d781254622afb3b729183c4a4c19b9278aef5401ccc6aa8

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\240601859.txt

Filesize
899KB

MD5
c9fdc45b89309e2a56b4dd9c5a0179a6

SHA1
04a399b9ddd9addcecd1d36ef87c86d36361305f

SHA256
ac4fc15d01929f2e3a8b9dd2ce0d7ec92c9d351c70b9ea7095e1211ca8df11a4

SHA512
db3b74c7f963d98dfe12527968b7777524350d793297c5ffcc61f70f238343dea0f48140f14aa410fdb0b76d1dc9d4e3ffc38499245661a481a7f47b5bf4cd3d

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

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/668-17-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/668-23-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/668-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/668-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2000-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2000-55-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2000-57-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2076-27-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2076-28-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2076-29-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads