gh0strat | af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 04:58

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General

Target
af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe
Size 2.3MB
Sample240613-fl5s8ayejp
SHA256 af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa
MD5 ab7c59a3345ba1199dc3388f97d9ba6d
SHA1 74a367dba52f316e731d350abab9c435bb4a7193
SHA512 ef7282957c301ab494d9a60bae5d2d6fce8c77cb4dd9e2f6b7384dd6aec4d8b0dbc4171ce6cbae0b5665f69df4006101cb4679a47d2d74350070f761f2463171
SSDEEP 24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHo:WCwsbCANnKXferL7Vwe/Gg0P+WhOf0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 10 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1572-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3912-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 11 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023439-5.dat	family_gh0strat
behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1572-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3912-52-0x0000000010000000-0x00000000101B6000-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\\240603671.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
532	R.exe
4112	N.exe
1572	TXPlatfor.exe
3912	TXPlatfor.exe
1840	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
532	R.exe
4216	svchost.exe
1840	Remote Data.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4112-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1572-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1572-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1572-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3912-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240603671.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	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.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
1528	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3912	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4112	N.exe
Token: SeLoadDriverPrivilege	3912	TXPlatfor.exe
Token: 33	3912	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3912	TXPlatfor.exe
Token: 33	3912	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3912	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe
2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 532	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	82
PID 2084 wrote to memory of 532	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	82
PID 2084 wrote to memory of 532	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	82
PID 2084 wrote to memory of 4112	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	87
PID 2084 wrote to memory of 4112	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	87
PID 2084 wrote to memory of 4112	2084	af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe	87
PID 4112 wrote to memory of 4984	4112	N.exe	90
PID 4112 wrote to memory of 4984	4112	N.exe	90
PID 4112 wrote to memory of 4984	4112	N.exe	90
PID 1572 wrote to memory of 3912	1572	TXPlatfor.exe	91
PID 1572 wrote to memory of 3912	1572	TXPlatfor.exe	91
PID 1572 wrote to memory of 3912	1572	TXPlatfor.exe	91
PID 4984 wrote to memory of 1528	4984	cmd.exe	93
PID 4984 wrote to memory of 1528	4984	cmd.exe	93
PID 4984 wrote to memory of 1528	4984	cmd.exe	93
PID 4216 wrote to memory of 1840	4216	svchost.exe	94
PID 4216 wrote to memory of 1840	4216	svchost.exe	94
PID 4216 wrote to memory of 1840	4216	svchost.exe	94

C:\Users\Admin\AppData\Local\Temp\af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe
"C:\Users\Admin\AppData\Local\Temp\af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- 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:532
- 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:4112
- - 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:4984
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:1528

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:5116

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:4216
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603671.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1840

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1572
- 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:3912

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

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.3MB
SHA256 af72ec3f9e1a698e3e35ed69c8a9da18a7abadd0b9ac1f472182d90b6df1f2aa
MD5 ab7c59a3345ba1199dc3388f97d9ba6d
SHA1 74a367dba52f316e731d350abab9c435bb4a7193
SHA512 ef7282957c301ab494d9a60bae5d2d6fce8c77cb4dd9e2f6b7384dd6aec4d8b0dbc4171ce6cbae0b5665f69df4006101cb4679a47d2d74350070f761f2463171
SSDEEP 24576:WCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHo:WCwsbCANnKXferL7Vwe/Gg0P+WhOf0
MD5 SHA1 SHA512 SSDEEP

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N.exe

Path C:\Users\Admin\AppData\Local\Temp\N.exe
Size 377KB
SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
MD5 4a36a48e58829c22381572b2040b6fe0
SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
MD5 SHA1 SHA512 SSDEEP

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R.exe

Path C:\Users\Admin\AppData\Local\Temp\R.exe
Size 941KB
SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
MD5 8dc3adf1c490211971c1e2325f1424d2
SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
MD5 SHA1 SHA512 SSDEEP

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240603671.txt

Path C:\Windows\SysWOW64\240603671.txt
Size 899KB
SHA256 0c8db8c47e81bfcaf6063c27a2ef80947d2bd60a64fa43674b767f691a9482ee
MD5 8ce8ae1f542da89fb182546e73760d3e
SHA1 8875f84f2d6a2584d0a8f11ce3c44646f2bc47d7
SHA512 54c67557e41fcd7b2aa904aabe06ea2f49eea41b6cce1a67be16123b514bd2a8237b8211762aae76da58271c44da620bff0aec7cadcea5d01776173200283e9b
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXZ:7wqd87VZ
MD5 SHA1 SHA512 SSDEEP

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Remote Data.exe

Path C:\Windows\SysWOW64\Remote Data.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

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memory/1572-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1572-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1572-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-46-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-47-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-51-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3912-52-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4112-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads