gh0strat | 7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25/06/2024, 09:23

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General

Target
7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
Size 6.2MB
Sample240625-lclxmsvamp
SHA256 7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe
MD5 6d0c0f59c330496fa132cd9c623cf0ee
SHA1 fea23b3b08452588728af3a35f3ff2e81c4265f5
SHA512 a1a382f4eb2ecce4cd6dcf0f40c0134c27116f7cf3887427b8bfc4422b090d6ef2494fd53402ee16117023826efefce694d83c593719aeaf3362af960cb5a8e3
SSDEEP 196608:oKXbeO7v3ZDSBFB973PHBdBpvXvDTdBtB/jznPnDvDD2E/QJTFSffzN:R7RDYbc7Qffz
MD5 SHA1 SHA512 SSDEEP

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/116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/116-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/116-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/184-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/5000-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000900000002341c-5.dat	family_gh0strat
behavioral2/memory/116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/116-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/116-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/184-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5000-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/5000-42-0x0000000010000000-0x00000000101B6000-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

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\\240605250.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
4648	R.exe
116	N.exe
184	TXPlatfor.exe
5000	TXPlatfor.exe
220	HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
1268	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4648	R.exe
2076	svchost.exe
1268	Remote Data.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/116-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/116-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/184-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/5000-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/files/0x0007000000023429-44.dat	upx
behavioral2/memory/220-46-0x0000000140000000-0x0000000140583000-memory.dmp	upx
behavioral2/memory/220-63-0x0000000140000000-0x0000000140583000-memory.dmp	upx
behavioral2/memory/220-66-0x0000000140000000-0x0000000140583000-memory.dmp	upx
behavioral2/memory/220-88-0x0000000140000000-0x0000000140583000-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\240605250.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	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.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
4440	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
5000	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	116	N.exe
Token: SeLoadDriverPrivilege	5000	TXPlatfor.exe
Token: SeDebugPrivilege	220	HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
Token: 33	5000	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5000	TXPlatfor.exe
Token: 33	5000	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	5000	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
220	HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
220	HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
220	HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 4648	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	81
PID 2220 wrote to memory of 4648	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	81
PID 2220 wrote to memory of 4648	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	81
PID 2220 wrote to memory of 116	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	84
PID 2220 wrote to memory of 116	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	84
PID 2220 wrote to memory of 116	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	84
PID 184 wrote to memory of 5000	184	TXPlatfor.exe	86
PID 184 wrote to memory of 5000	184	TXPlatfor.exe	86
PID 184 wrote to memory of 5000	184	TXPlatfor.exe	86
PID 116 wrote to memory of 2912	116	N.exe	87
PID 116 wrote to memory of 2912	116	N.exe	87
PID 116 wrote to memory of 2912	116	N.exe	87
PID 2220 wrote to memory of 220	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	88
PID 2220 wrote to memory of 220	2220	7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe	88
PID 2912 wrote to memory of 4440	2912	cmd.exe	90
PID 2912 wrote to memory of 4440	2912	cmd.exe	90
PID 2912 wrote to memory of 4440	2912	cmd.exe	90
PID 2076 wrote to memory of 1268	2076	svchost.exe	91
PID 2076 wrote to memory of 1268	2076	svchost.exe	91
PID 2076 wrote to memory of 1268	2076	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
"C:\Users\Admin\AppData\Local\Temp\7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- 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
  PID:4648
- 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:116
- - 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:2912
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4440
- C:\Users\Admin\AppData\Local\Temp\HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
  C:\Users\Admin\AppData\Local\Temp\HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:220

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:3940

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:2076
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605250.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1268

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:184
- 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:5000

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_7b0afb0b6f961267cc6c6d725b0602998db1638695c58b3e5d94c2332fc295fe.exe
Size 2.5MB
SHA256 8eb1752afaffa1ac781f2f9085f0e3e68832a378389665973c36f91bac87931c
MD5 19b1fb32288420f17d318ac3c018dea9
SHA1 bc4c102425f1ff748341642b07055fde28e7b6b2
SHA512 a7c9e84597f45e1f32a909b42ae98e32b3bc8d6b537a50a2663e54bbf3c7544811117bea4da7a74c4de722f8b170c5d1ee458f4b081d10d1014004c58736c225
SSDEEP 49152:EGQJT60/tttR5wOKBfZaNJeCsSWOuzzXm4WRaEft3Gw7GbDmim:EGQJT62ttFafeGtzNMc
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 3.7MB
SHA256 36c0b91afbe2751160437dbaed314c6fa44fe375f10e5ac5455c7c8ff9f89aa6
MD5 99761b16132add190fb6867b4178b42c
SHA1 d82d0719528aad04df4274ffce1ef62e1a408319
SHA512 4999089a93eda8adf660f203be8f078be2054ed8e0c5e68bfa52d33d5f993452b694e9c99e444868bd5e5ac1ebadda5f8c7b68b79163fa8a5503fc35d262066c
SSDEEP 98304:yws2ANnKXOaeOgmhv353ZDSBFB973PHBdBpvXvDTdBtB/jznPnDvDD2EqV:oKXbeO7v3ZDSBFB973PHBdBpvXvDTdBm
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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240605250.txt

Path C:\Windows\SysWOW64\240605250.txt
Size 899KB
SHA256 c7b968ba09e055003fc52388f87eacb538766c5f7f037dae5e28975774654128
MD5 be1f6552dc475d1750ee7f54350fea0c
SHA1 c0e4f6b328292c10f57f52d2f9045daa2e27f73e
SHA512 795604d978e653ff36d4b3cee4b44537b5511d95228996fe914f1f4b1148262312b2223daed766153a9ebca7d75eeb0eb5b01a3554e148131102e0a426eb33e5
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXP:7wqd87VP
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/116-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/116-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/116-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/116-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/184-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/184-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/184-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/220-46-0x0000000140000000-0x0000000140583000-memory.dmp

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memory/220-63-0x0000000140000000-0x0000000140583000-memory.dmp

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memory/220-66-0x0000000140000000-0x0000000140583000-memory.dmp

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memory/220-88-0x0000000140000000-0x0000000140583000-memory.dmp

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memory/5000-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5000-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/5000-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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