gh0strat | 8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 17:27

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General

Target
8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe
Size 3.5MB
Sample240528-v1qeeaed88
SHA256 8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd
MD5 4d8d49a751e4c0e9c0f711571108d6c9
SHA1 f5c65bbdd4db11c8c083bdd8d47077d2d0ab1470
SHA512 622e5b71e50d443bb2e0cfce6602113f36aeb90a56e9bc6b745bff2697ca464e229dce60211b2e7506f8cbe01c29b0d7a3acc08f67d9b4bb6aa6b5a1885f0ebf
SSDEEP 49152:QCwsbCANnKXferL7Vwe/Gg0P+WhPRGF7fhdJNgtzRE:7ws2ANnKXOaeOgmhPsJ38l2
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/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4064-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4144-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4144-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/4144-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x000800000002340f-5.dat	family_gh0strat
behavioral2/memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4064-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4144-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4144-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/4144-43-0x0000000010000000-0x00000000101B6000-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\\240597031.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
2800	R.exe
4064	N.exe
3140	TXPlatfor.exe
4144	TXPlatfor.exe
5024	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
2800	R.exe
4892	svchost.exe
5024	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4064-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4144-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4144-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/4144-43-0x0000000010000000-0x00000000101B6000-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\240597031.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4500	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4144	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4064	N.exe
Token: SeLoadDriverPrivilege	4144	TXPlatfor.exe
Token: 33	4144	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4144	TXPlatfor.exe
Token: 33	4144	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	4144	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe
2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2800	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	82
PID 2924 wrote to memory of 2800	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	82
PID 2924 wrote to memory of 2800	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	82
PID 2924 wrote to memory of 4064	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	85
PID 2924 wrote to memory of 4064	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	85
PID 2924 wrote to memory of 4064	2924	8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe	85
PID 4064 wrote to memory of 4856	4064	N.exe	89
PID 4064 wrote to memory of 4856	4064	N.exe	89
PID 4064 wrote to memory of 4856	4064	N.exe	89
PID 3140 wrote to memory of 4144	3140	TXPlatfor.exe	90
PID 3140 wrote to memory of 4144	3140	TXPlatfor.exe	90
PID 3140 wrote to memory of 4144	3140	TXPlatfor.exe	90
PID 4856 wrote to memory of 4500	4856	cmd.exe	92
PID 4856 wrote to memory of 4500	4856	cmd.exe	92
PID 4856 wrote to memory of 4500	4856	cmd.exe	92
PID 4892 wrote to memory of 5024	4892	svchost.exe	99
PID 4892 wrote to memory of 5024	4892	svchost.exe	99
PID 4892 wrote to memory of 5024	4892	svchost.exe	99

C:\Users\Admin\AppData\Local\Temp\8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe
"C:\Users\Admin\AppData\Local\Temp\8c3afe2b8f9b0c09e5576369c15d48503e68e0176796b6c1efe58fed7add87cd.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924
- 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:2800
- 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:4064
- - 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:4856
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4500

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:4008

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:4892
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240597031.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5024

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3140
- 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:4144

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

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Downloads

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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InstallPop.exe

Path C:\Users\Admin\Desktop\InstallPop.exe
Size 4.3MB
SHA256 475ebdd844c636acc475f6e43e8989069969479657112b11f8811f7fa1541ea8
MD5 6140a19aec6b7417d8497861f1a32ec8
SHA1 528c34781bcfda7746f5f125dc9035265f3dbd3e
SHA512 4e9c4368087df24f6246737e6510d61992a34af8d90248770882bf43e8aaff96dca68042fc29298c59ab5a95ccd25b4b423a20b28a0dd6d292e970c4dadaa2af
SSDEEP 49152:QCwsbCANnKXferL7Vwe/Gg0P+WhPRGF7fhdJNgtzR2jXU9ZdmraKaSeWT53kMES:7ws2ANnKXOaeOgmhPsJ38lOk9TrWdJES
MD5 SHA1 SHA512 SSDEEP

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240597031.txt

Path C:\Windows\SysWOW64\240597031.txt
Size 899KB
SHA256 dfa02b12d5e42507208732f1dbe6cf18ff4c53c91901ffdf21c16215fdf125af
MD5 d4debb610a1b57984c5952c8543d97c0
SHA1 6746185a7c98a0cdb480f03a9ffcaedc519c4c1a
SHA512 c3ca9cf95970b2ca2fcc391fe8e63e385f939c77bcca6152fc36e581e3af6b75e71c4048372cce492295475e759af04a36895f306c8a2f1eb78abd5f796e9225
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PX0:7wqd87V0
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/3140-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3140-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3140-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4064-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4064-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4064-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4144-38-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4144-41-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/4144-43-0x0000000010000000-0x00000000101B6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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