gh0strat | 942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26/06/2024, 00:13

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General

Target

942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
Size

4.3MB
MD5

c1dfeee63db8689d2b5a405191f552bd
SHA1

dfaf6f3a1544f9af8f93644f6927b096066d763a
SHA256

942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690
SHA512

e1c69e803d61fa004f3015a16695a9fbd34fcd232a66d5d3425bb3f7367eb3e9326ac69f41ac5f9c95a99b46e2e3b108e790ea5fd1da26906834d1e6a1a2659b
SSDEEP

98304:yws2ANnKXOaeOgmhpo8zHFDmn2EDtDS7Ghv0+sd/o8z:oKXbeO7Xo8zHpmnlD5cGa+y/o8z

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
behavioral1/memory/2892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2892-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x0038000000016448-6.dat	family_gh0strat
behavioral1/memory/2892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2892-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-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\\259406012.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
1104	R.exe
2892	N.exe
2364	TXPlatfor.exe
2984	HD_942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
2604	TXPlatfor.exe
2900	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
1104	R.exe
1944	svchost.exe
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
2364	TXPlatfor.exe
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
1944	svchost.exe
2900	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2892-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2892-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2892-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259406012.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
2760	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2604	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2892	N.exe
Token: SeLoadDriverPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe
Token: 33	2604	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2604	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 1104	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	28
PID 2080 wrote to memory of 1104	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	28
PID 2080 wrote to memory of 1104	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	28
PID 2080 wrote to memory of 1104	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	28
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2080 wrote to memory of 2892	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	31
PID 2892 wrote to memory of 2732	2892	N.exe	33
PID 2892 wrote to memory of 2732	2892	N.exe	33
PID 2892 wrote to memory of 2732	2892	N.exe	33
PID 2892 wrote to memory of 2732	2892	N.exe	33
PID 2080 wrote to memory of 2984	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	36
PID 2080 wrote to memory of 2984	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	36
PID 2080 wrote to memory of 2984	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	36
PID 2080 wrote to memory of 2984	2080	942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe	36
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2364 wrote to memory of 2604	2364	TXPlatfor.exe	35
PID 2732 wrote to memory of 2760	2732	cmd.exe	37
PID 2732 wrote to memory of 2760	2732	cmd.exe	37
PID 2732 wrote to memory of 2760	2732	cmd.exe	37
PID 2732 wrote to memory of 2760	2732	cmd.exe	37
PID 1944 wrote to memory of 2900	1944	svchost.exe	38
PID 1944 wrote to memory of 2900	1944	svchost.exe	38
PID 1944 wrote to memory of 2900	1944	svchost.exe	38
PID 1944 wrote to memory of 2900	1944	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
"C:\Users\Admin\AppData\Local\Temp\942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2080
- 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:1104
- 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:2892
- - 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:2732
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2760
- C:\Users\Admin\AppData\Local\Temp\HD_942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
  C:\Users\Admin\AppData\Local\Temp\HD_942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe
  2⤵
  - Executes dropped EXE
  PID:2984

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2912

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:1944
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259406012.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2900

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- 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:2604

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_942059271df030d2bf8041d1f7da72f94586062ddc5cb7a58e4a9caed1946690.exe

Filesize
1.6MB

MD5
faf147960675cc26397a3a94e080514a

SHA1
16e5596e05e7d4675a15e4c45159d9d64312d1bf

SHA256
ff4f268d37aacb62cb8d5a8627de467db57fe74a25e5308ea6b823e96b867124

SHA512
1a0d6760230285072089e8dcb043bbd6884d2ef123651684e28111183a65f54fda01ddb9ef8e48266cfc659cb9199c1bfe868c46ba6ba6d9a476f90a0709515a

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

Filesize
2.8MB

MD5
754116cad9ac66d3d458a4e14862390a

SHA1
cc5e835859279b009ce5514d86e08d5aead0e3df

SHA256
d34d3ea462446603ea775aa3eb7b469c907e7c4443c17a0e635a9890084020b2

SHA512
8831384d678737a413847baa7a0ba4aba97213e92023c69fbdb4c283e13194a6a183dfb377933e3d253a07b11bf6f96c6a4aabc1808a2c7e6a0b286680b14b46

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259406012.txt

Filesize
899KB

MD5
9aaee101c01245d65844db234cb83c1e

SHA1
40aaa9549e5f012ed5d804dd36050b9b49ff412c

SHA256
40342bb36853c2e60d9860d392c49ec8376e7422be66b06b39270502888210b1

SHA512
5eda493f5636789915ef46e56e771140f6d6f614514f9796c98cf7eccb3121f0a204a761e8c097f05c6470b2ee3361f6775feb53b1ba6041b8398a285df24b30

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2604-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2604-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2892-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2892-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2892-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download