gh0strat | 317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 12:29

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General

Target

317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
Size

3.5MB
MD5

c3dbccb250b5422d6810b056663d5802
SHA1

56430cd86f7ecf1cbca95530332bf6e9523a77b1
SHA256

317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96
SHA512

c650c40a11839c5a5265b1d6ef69a80b8ba885045bf94454aa6ff3a20bc5ff04910e7933b25063a17d3a0a64408c66eb26bf9ef42182ae50da139d5262737ef1
SSDEEP

49152:1CwsbCANnKXferL7Vwe/Gg0P+WhWp7/4Z8oEnh15pNA/Xnfd:ows2ANnKXOaeOgmhgG8b1R8d

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/3004-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0038000000014388-6.dat	family_gh0strat
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/3004-47-0x0000000010000000-0x00000000101B6000-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\\259395264.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
2608	N.exe
2688	TXPlatfor.exe
3004	TXPlatfor.exe
2492	HD_317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
2180	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
1176	R.exe
2412	svchost.exe
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
2688	TXPlatfor.exe
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
2412	svchost.exe
2180	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/3004-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259395264.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2484	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3004	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2608	N.exe
Token: SeLoadDriverPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe
Token: 33	3004	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	3004	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 1176	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	28
PID 1276 wrote to memory of 1176	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	28
PID 1276 wrote to memory of 1176	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	28
PID 1276 wrote to memory of 1176	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	28
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 1276 wrote to memory of 2608	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	31
PID 2608 wrote to memory of 2596	2608	N.exe	33
PID 2608 wrote to memory of 2596	2608	N.exe	33
PID 2608 wrote to memory of 2596	2608	N.exe	33
PID 2608 wrote to memory of 2596	2608	N.exe	33
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 2688 wrote to memory of 3004	2688	TXPlatfor.exe	34
PID 1276 wrote to memory of 2492	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	36
PID 1276 wrote to memory of 2492	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	36
PID 1276 wrote to memory of 2492	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	36
PID 1276 wrote to memory of 2492	1276	317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe	36
PID 2596 wrote to memory of 2484	2596	cmd.exe	37
PID 2596 wrote to memory of 2484	2596	cmd.exe	37
PID 2596 wrote to memory of 2484	2596	cmd.exe	37
PID 2596 wrote to memory of 2484	2596	cmd.exe	37
PID 2412 wrote to memory of 2180	2412	svchost.exe	38
PID 2412 wrote to memory of 2180	2412	svchost.exe	38
PID 2412 wrote to memory of 2180	2412	svchost.exe	38
PID 2412 wrote to memory of 2180	2412	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
"C:\Users\Admin\AppData\Local\Temp\317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1276
- 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: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:2608
- - 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:2596
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2484
- C:\Users\Admin\AppData\Local\Temp\HD_317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
  C:\Users\Admin\AppData\Local\Temp\HD_317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe
  2⤵
  - Executes dropped EXE
  PID:2492

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2988

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:2412
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395264.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2180

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2688
- 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:3004

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_317d32093545cb1991de2cc3a74681a8eae5bc83ce285f52f506acc79b1d1a96.exe

Filesize
1.0MB

MD5
ed3c64cae41908592e9a15fdd640abdb

SHA1
adcef4e8cd6c993364d1c5e902d0b192c38c627b

SHA256
139f29761093a93c3555a528eb84aa1a12003885b87bfdc4ce83a39d88e12e93

SHA512
ba15dfd205a2d80e4f9ffcad119e752bd9f4906743c2559b3812d6fc74254ecc6e929873f7c919103f9d3ec699276fe28b990e9369b4b425921986113f8730b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_X.dat

Filesize
2.5MB

MD5
2da7e5818cdb20ca0a1f3a001a76989e

SHA1
3538d2447a7201938605d084768ec4f77cb8f048

SHA256
a5745b92cfdb596d1b5d74e4d4e3ef1dbd2de009176fd9b9379694d7a70df169

SHA512
da614ac7dd3d01be108687c75e9f98f98161e7a71df4a4614bbc224ad3daf037a90bb33a2fad913a23f84114d43eb594a735edd18255c191f349a462dcb8d196

Download Submit
\Users\Admin\AppData\Local\Temp\N.exe

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Users\Admin\AppData\Local\Temp\R.exe

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
\Windows\SysWOW64\259395264.txt

Filesize
899KB

MD5
b702e2d05f7149506f46ad228c99743c

SHA1
a423a3f58daea47876f3417e5896201ac7f986bc

SHA256
f0bd4f6a3426318bbfdd7d5d409e8c9fa2f4dcdff6d64c1247f48cb8aa3026f2

SHA512
01c96d3a354fbbe07be5c4a28fa0ef65c7d17d033f0c20409984837543c7e925367b30cdbe7e3a554651ae55a1a89d85c42cdb1722e4f8dd8413216fae307bbe

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2608-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2608-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/3004-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download