gh0strat | 82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 14:31

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General

Target

82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
Size

13.4MB
MD5

464b9c6bca8f458217c26c5a974bc46b
SHA1

143f2cb36054ae91d8092c1072f4478acf78c8aa
SHA256

82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611
SHA512

ac50db7344e450527c54c58445482ff1160030d05dd0dbf0dfb7cd6ed24f3bbea054f5cf96e596e54c01d49f954bd374f8ada5f2b15e85c6ba4216c7a60cc293
SSDEEP

196608:dKXbeO7PkwEI3CcdEsnSi4lLq3mEHdmJVgkO:27eI1EsSi4kmEHdme

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/2580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2580-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-50-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000155f7-6.dat	family_gh0strat
behavioral1/memory/2580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2580-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-50-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-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\\259395498.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
2392	R.exe
2580	N.exe
2624	TXPlatfor.exe
2756	TXPlatfor.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
948	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2392	R.exe
2376	svchost.exe
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2624	TXPlatfor.exe
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2376	svchost.exe
948	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2580-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-50-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2756-52-0x0000000010000000-0x00000000101B6000-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\259395498.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
2592	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2756	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2580	N.exe
Token: SeLoadDriverPrivilege	2756	TXPlatfor.exe
Token: 33	2756	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2756	TXPlatfor.exe
Token: 33	2756	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2756	TXPlatfor.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
2640	HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2392	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	28
PID 2220 wrote to memory of 2392	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	28
PID 2220 wrote to memory of 2392	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	28
PID 2220 wrote to memory of 2392	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	28
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2220 wrote to memory of 2580	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	31
PID 2580 wrote to memory of 2740	2580	N.exe	33
PID 2580 wrote to memory of 2740	2580	N.exe	33
PID 2580 wrote to memory of 2740	2580	N.exe	33
PID 2580 wrote to memory of 2740	2580	N.exe	33
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2624 wrote to memory of 2756	2624	TXPlatfor.exe	35
PID 2220 wrote to memory of 2640	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	36
PID 2220 wrote to memory of 2640	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	36
PID 2220 wrote to memory of 2640	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	36
PID 2220 wrote to memory of 2640	2220	82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe	36
PID 2740 wrote to memory of 2592	2740	cmd.exe	37
PID 2740 wrote to memory of 2592	2740	cmd.exe	37
PID 2740 wrote to memory of 2592	2740	cmd.exe	37
PID 2740 wrote to memory of 2592	2740	cmd.exe	37
PID 2376 wrote to memory of 948	2376	svchost.exe	38
PID 2376 wrote to memory of 948	2376	svchost.exe	38
PID 2376 wrote to memory of 948	2376	svchost.exe	38
PID 2376 wrote to memory of 948	2376	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
"C:\Users\Admin\AppData\Local\Temp\82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- 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:2392
- 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:2580
- - 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:2740
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2592
- C:\Users\Admin\AppData\Local\Temp\HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
  C:\Users\Admin\AppData\Local\Temp\HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2640

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2000

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:2376
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395498.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:948

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2624
- 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:2756

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_X.dat

Filesize
2.7MB

MD5
7702d150d10c12bd95b12b22a11cc4da

SHA1
67bd95e0f396569627b8df9a2bec022e5343d4be

SHA256
cc4970a74ace303ba6f9ab905f7817ab682b2c54d4cf106d9820c7014c1760b9

SHA512
10e44e0b5cd2f5c29bffb999a3523aade8b08d65821307712376214d272d03cfbbd0a1d7c21ada7a55fc1f15e5d055328b1c262d209ff49290d8f97e4a839c75

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\HD_82750d35edae71e1409a78deba6d3b65d0815738b48984ae4432fb0f726a8611.exe

Filesize
10.7MB

MD5
56c813bfdf19f3e6d619bd277c71abcb

SHA1
bd915530a20d72ca261b31b4ae2a94ddb18e48cb

SHA256
5aca30f8082bb2d537d41d912baedd78a2e010bc03fcbf9a309d0e43f7545f23

SHA512
648b185f44e3fd80720afcc1ab38650b775e9e06e5f1a6ff1e277d99020d0e329524633edc84bec023696f34603117ba3dd8dc5394507826c7a04a48d3a5dd7c

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259395498.txt

Filesize
899KB

MD5
33236cf97832d03b3c7d0ef5d2ab28e1

SHA1
9cecfe6be096cc63e0a2cba6185bf540b3b823e6

SHA256
f6564ea7e2bab8cab4c877cfeed2364d92bc4adff21cc5ceed1b13c579fbfc17

SHA512
1815cab0d13c1387e4b7e9c9055cea18486570d348bff9f9590c5e47aded98c5c184ccc4191d0c0bb49faeb8bfe9b6000bc45b91c2cc53d0733ca1847118ac00

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2580-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2580-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-50-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2756-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download