gh0strat | 088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 00:19

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General

Target
088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
Size 2.7MB
Sample240529-al952sbd89
SHA256 088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41
MD5 62d1ac57bfb25343a39acdc29f46e9b5
SHA1 3b087c3945056e8e9977ccc87c2b5b5c0dcef44d
SHA512 f30d6c8c830e4a4c93556f01c6bdb83851f45d1c75d5425b45aedc406583a48cb9c2ef593304f28a5cddb2591b78bf4c0aceceff7bfa7e66d207d5318ebaa115
SSDEEP 49152:iCwsbCANnKXferL7Vwe/Gg0P+WhC8b3SgS1e:lws2ANnKXOaeOgmhC8biZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral2/memory/3132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3132-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3308-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3308-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-40-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1600-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023539-5.dat	family_gh0strat
behavioral2/memory/3132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3132-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3308-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3308-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-40-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1600-45-0x0000000010000000-0x00000000101B6000-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\\240640437.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
4264	R.exe
3132	N.exe
3308	TXPlatfor.exe
3972	HD_088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
1600	TXPlatfor.exe
2160	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
4264	R.exe
1428	svchost.exe
2160	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3132-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3132-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-27-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3308-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-40-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1600-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\240640437.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4948	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1600	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3132	N.exe
Token: SeLoadDriverPrivilege	1600	TXPlatfor.exe
Token: 33	1600	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1600	TXPlatfor.exe
Token: 33	1600	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	1600	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4264	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	89
PID 4892 wrote to memory of 4264	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	89
PID 4892 wrote to memory of 4264	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	89
PID 4892 wrote to memory of 3132	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	94
PID 4892 wrote to memory of 3132	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	94
PID 4892 wrote to memory of 3132	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	94
PID 3132 wrote to memory of 5116	3132	N.exe	96
PID 3132 wrote to memory of 5116	3132	N.exe	96
PID 3132 wrote to memory of 5116	3132	N.exe	96
PID 4892 wrote to memory of 3972	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	97
PID 4892 wrote to memory of 3972	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	97
PID 4892 wrote to memory of 3972	4892	088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe	97
PID 3308 wrote to memory of 1600	3308	TXPlatfor.exe	98
PID 3308 wrote to memory of 1600	3308	TXPlatfor.exe	98
PID 3308 wrote to memory of 1600	3308	TXPlatfor.exe	98
PID 5116 wrote to memory of 4948	5116	cmd.exe	101
PID 5116 wrote to memory of 4948	5116	cmd.exe	101
PID 5116 wrote to memory of 4948	5116	cmd.exe	101
PID 1428 wrote to memory of 2160	1428	svchost.exe	110
PID 1428 wrote to memory of 2160	1428	svchost.exe	110
PID 1428 wrote to memory of 2160	1428	svchost.exe	110

C:\Users\Admin\AppData\Local\Temp\088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
"C:\Users\Admin\AppData\Local\Temp\088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4892
- 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:4264
- 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:3132
- - 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:5116
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4948
- C:\Users\Admin\AppData\Local\Temp\HD_088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
  C:\Users\Admin\AppData\Local\Temp\HD_088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
  2⤵
  - Executes dropped EXE
  PID:3972

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4288

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:1428
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240640437.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2160

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3308
- 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:1600

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4076,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=1276 /prefetch:8
1⤵
PID:2532

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

HD_088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_088b7a675ee2e2ae03cb00383b9084f99a382bc88bbe40a3ad2865c029c65e41.exe
Size 432KB
SHA256 d229d6e07f93b471111ae6e01fefee9579fe786c27d11adf8a2a6b3b16f1d4d2
MD5 996108edd1e8f89bcbc2a071562754c3
SHA1 205d155533083e732bd9bb38234290e9f3c887b5
SHA512 86ba953256e139d32d80d0d9622b44e82098734161e93c72f32db55e1366e40dc237701ff62f3bda082a685a433c6d35ac89e09c3d479613372c471e73d2c016
SSDEEP 6144:oi7vP1UYS5DhJ3UfcybvgXoaTyaphzSJK8sp2mx6t3VlKeNDlI1jKEYTQetDj4kz:dvP1fS5DhnyQDphWmQtvKegGEiQetY0
MD5 SHA1 SHA512 SSDEEP

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HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.3MB
SHA256 a6db2c0e84ac6b71cd7b908638777c62b0f56a1a748430dad185c37cc30dd4ab
MD5 1d338ee374edb645b3e4dfc6af2181b4
SHA1 60163fb47504e2bdd624353f300c04f91d80bb02
SHA512 ddb166bd97ff8643425ca78088efee8bcba57aa90352b4bff331c036dacb6021ca390e9991005d3589674be3dfc74947cb302493339ae68908f3aedef26501eb
SSDEEP 24576:iCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHW:iCwsbCANnKXferL7Vwe/Gg0P+WhB
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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240640437.txt

Path C:\Windows\SysWOW64\240640437.txt
Size 899KB
SHA256 8f4dd649eb5330fae5b62cd4e802641c670ca49aa8daaf7508013f1a0538c035
MD5 a70a8a37615097dcac9a3480386512d4
SHA1 149fdac429d3c97ed22e9ccd09b4f2387f7a61e1
SHA512 d18400b8368316aedd56094216e795f2d9980ad1822ec42b27c845125a37a57172ae148616bb34ef91bbd72846fd797f8d4503b2f3bc1833840f56dfcba5c177
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXy:7wqd87Vy
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/1600-45-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1600-40-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3132-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3308-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3308-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3308-27-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3972-51-0x0000000000400000-0x00000000017FA000-memory.dmp

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