gh0strat | d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26/05/2024, 14:01

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General

Target
d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
Size 8.5MB
Sample240526-rb3fwsgh3z
SHA256 d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0
MD5 c9531a24d82628c697cf0abc4b35d48f
SHA1 2c92193234044615ab57a81e1c80315c80c38af1
SHA512 ffd5e17efdc8f519fb11c75b46b8cdd5a7094cae0df8ac825fc012ef1faed67f330f5a0081c7c2b3ec88797062e404259000b45e22783952d870dbdb8579998e
SSDEEP 196608:pKXbeO7bPrOiTJ9F6mpCOBAnh2DZmNSkI:q7bzpTtDLBm2DZqSk
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/2848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/2848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3996-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3996-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral2/memory/3996-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral2/files/0x00070000000233f6-5.dat	family_gh0strat
behavioral2/memory/2848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/2848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3996-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3996-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral2/memory/3996-42-0x0000000010000000-0x00000000101B6000-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

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\\240600593.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
1176	R.exe
2848	N.exe
1592	TXPlatfor.exe
3996	TXPlatfor.exe
1124	HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
2244	Remote Data.exe

Loads dropped DLL 3 IoCs

pid	Process
1176	R.exe
2956	svchost.exe
2244	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2848-17-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2848-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2848-23-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/2848-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/1592-26-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3996-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3996-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral2/memory/3996-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240600593.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	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.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
4776	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
1124	HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
1124	HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
1124	HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3996	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2848	N.exe
Token: SeLoadDriverPrivilege	3996	TXPlatfor.exe
Token: SeDebugPrivilege	1124	HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
Token: 33	3996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3996	TXPlatfor.exe
Token: 33	3996	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3996	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1176	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	85
PID 1268 wrote to memory of 1176	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	85
PID 1268 wrote to memory of 1176	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	85
PID 1268 wrote to memory of 2848	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	88
PID 1268 wrote to memory of 2848	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	88
PID 1268 wrote to memory of 2848	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	88
PID 2848 wrote to memory of 4072	2848	N.exe	93
PID 2848 wrote to memory of 4072	2848	N.exe	93
PID 2848 wrote to memory of 4072	2848	N.exe	93
PID 1592 wrote to memory of 3996	1592	TXPlatfor.exe	94
PID 1592 wrote to memory of 3996	1592	TXPlatfor.exe	94
PID 1592 wrote to memory of 3996	1592	TXPlatfor.exe	94
PID 1268 wrote to memory of 1124	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	96
PID 1268 wrote to memory of 1124	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	96
PID 1268 wrote to memory of 1124	1268	d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe	96
PID 4072 wrote to memory of 4776	4072	cmd.exe	97
PID 4072 wrote to memory of 4776	4072	cmd.exe	97
PID 4072 wrote to memory of 4776	4072	cmd.exe	97
PID 2956 wrote to memory of 2244	2956	svchost.exe	98
PID 2956 wrote to memory of 2244	2956	svchost.exe	98
PID 2956 wrote to memory of 2244	2956	svchost.exe	98

C:\Users\Admin\AppData\Local\Temp\d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
"C:\Users\Admin\AppData\Local\Temp\d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
- 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:1176
- 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:2848
- - 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:4072
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4776
- C:\Users\Admin\AppData\Local\Temp\HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1124

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2676

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:2956
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600593.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2244

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1592
- 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:3996

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

Replay Monitor

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Downloads

HD_X.dat

Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
Size 2.4MB
SHA256 0c398062bee11155a21185ed6ef073eaff18f086224641e8eac282afb725c626
MD5 dacb838ced6e9c90cf4bc6efd4773b1b
SHA1 2a4a3736bf5e163e7f360bf76da0f433547f80e8
SHA512 ef0fdc453519f7002984a75a8981b12431d85c3be561722661529f17e8df11f546a203b46e6b26883b6bb708ec24f5009bdc7e6ea1e69161738e713b57a5f0fe
SSDEEP 24576:MCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHc:MCwsbCANnKXferL7Vwe/Gg0P+Wh+oB
MD5 SHA1 SHA512 SSDEEP

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HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe

Path C:\Users\Admin\AppData\Local\Temp\HD_d6e4306672a866c0313b63d15a2136e1200d03cff63748fc14edc109a117d1f0.exe
Size 6.0MB
SHA256 fa1e3323819bab93182dd3a9a90c367e5a90b92aa7e88bb552cd67347ab4dbc1
MD5 34a165f0e09bebb5575a3695a253c9a8
SHA1 8440c26aac630f3cebf7e8ef17a628b42d37ad88
SHA512 bb1552a577958e1d08dc907282445876d1df99c2b4832aed229ffe5b3454b548dccfd73ecbb5e291d9e9bf67280d074fef59c736a9a1ce7d01158218f570c74e
SSDEEP 98304:mFkArJr48PtTJOAF6mbXJHL2+COBAn/5DiDZkbNS1FHIslZg8:mPrOiTJ9F6mpCOBAnh2DZmNSkI
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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240600593.txt

Path C:\Windows\SysWOW64\240600593.txt
Size 899KB
SHA256 d88085b48e70fbc5c1bb47634352c749a3378eecbf9a84e536a08423332b3c31
MD5 f99fdd905c9962440368d3ece3151ba9
SHA1 e37787e12067ac7a74ee9271e85a799a02bc0f95
SHA512 a191b95f165bc793da966e62f59f8d37e042d0e916de08cc7b7460bdae4d2904a11de3c798e0e87f7f3c64ba2d5dd4f39711893104dd23eb536e090b6f9a4ad1
SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXc:7wqd87Vc
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/1124-62-0x0000000005E80000-0x0000000005E8A000-memory.dmp

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memory/1124-49-0x0000000006330000-0x00000000063C2000-memory.dmp

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memory/1124-48-0x0000000009A10000-0x000000000A5BE000-memory.dmp

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memory/1124-47-0x0000000006460000-0x0000000006A04000-memory.dmp

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memory/1124-46-0x0000000000E50000-0x0000000001462000-memory.dmp

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memory/1592-29-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1592-28-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/1592-26-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2848-23-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2848-19-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2848-20-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/2848-17-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3996-42-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3996-39-0x0000000010000000-0x00000000101B6000-memory.dmp

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memory/3996-37-0x0000000010000000-0x00000000101B6000-memory.dmp

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