gh0strat | 2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0

Analysis

max time kernel
150s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 13:05

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General

Target

2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
Size

3.6MB
MD5

b82d2b16d0ac034ffd9b09228e5d79c0
SHA1

674354ea491d2041a282f3366fd2fb137bab3478
SHA256

2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0
SHA512

114bc560c19c649dbcb0ab277a0bedbf82034a0e981dca4c1796cff0c5d3501b400ac58a2d8d20f7c216c92fe5ddad0c92e98c66d2a503b7518a1673e4482fbf
SSDEEP

49152:gjwsbCANnKXferL7Vwe/Gg0P+Wh2wypdjKr6mvhSX4Cr0pF09EyXE:uws2ANnKXOaeOgmhsdPr0pF0TU

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/2324-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2324-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2884-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x00080000000175ec-6.dat	family_gh0strat
behavioral1/memory/2324-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2324-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2884-51-0x0000000010000000-0x00000000101B6000-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\\259528770.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
3060	R.exe
2324	N.exe
2940	TXPlatfor.exe
2884	TXPlatfor.exe
2868	HD_2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
2132	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
3060	R.exe
2984	svchost.exe
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
2940	TXPlatfor.exe
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
2984	svchost.exe
2132	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2324-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2324-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2884-51-0x0000000010000000-0x00000000101B6000-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\259528770.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
2668	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2884	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2324	N.exe
Token: SeLoadDriverPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe
Token: 33	2884	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2884	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3060	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	29
PID 3044 wrote to memory of 3060	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	29
PID 3044 wrote to memory of 3060	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	29
PID 3044 wrote to memory of 3060	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	29
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 3044 wrote to memory of 2324	3044	2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe	32
PID 2324 wrote to memory of 2932	2324	N.exe	34
PID 2324 wrote to memory of 2932	2324	N.exe	34
PID 2324 wrote to memory of 2932	2324	N.exe	34
PID 2324 wrote to memory of 2932	2324	N.exe	34
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2940 wrote to memory of 2884	2940	TXPlatfor.exe	35
PID 2932 wrote to memory of 2668	2932	cmd.exe	38
PID 2932 wrote to memory of 2668	2932	cmd.exe	38
PID 2932 wrote to memory of 2668	2932	cmd.exe	38
PID 2932 wrote to memory of 2668	2932	cmd.exe	38
PID 2984 wrote to memory of 2132	2984	svchost.exe	40
PID 2984 wrote to memory of 2132	2984	svchost.exe	40
PID 2984 wrote to memory of 2132	2984	svchost.exe	40
PID 2984 wrote to memory of 2132	2984	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
"C:\Users\Admin\AppData\Local\Temp\2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- 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:3060
- 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:2324
- - 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:2932
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2668
- C:\Users\Admin\AppData\Local\Temp\HD_2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
  C:\Users\Admin\AppData\Local\Temp\HD_2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe
  2⤵
  - Executes dropped EXE
  PID:2868

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2260

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:2984
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259528770.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2132

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940
- 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:2884

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_2099e8562f6753f960368b19a1e6859aa854a9150f9de467f09969e02d9864c0.exe

Filesize
1.3MB

MD5
4d91ebabb0ea2f5e349221845d2eeff5

SHA1
46b36f15c1c0d5499b9cfd2130ad3b88b20d5381

SHA256
c13ee1882809c02fce5c44765090746856e1a1a3165c6bb4643d000038d89c57

SHA512
0b84e395fcc6c09e7a454bfd62291d247971cf0e32698bcc19a8a332e8a9c3eb15561b7c2ed7e1efe6e3ac23d5af9a66680bf279db98f4f969e5078b4ca93992

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

Filesize
941KB

MD5
8dc3adf1c490211971c1e2325f1424d2

SHA1
4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

SHA256
bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

SHA512
ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

Download Submit
C:\Users\Admin\Desktop\BlockReset.exe

Filesize
2.8MB

MD5
62178dbc3256b92c1926ea5043a5de4c

SHA1
3adb5a69eb5f487cd09f51657a319dea6e8980ec

SHA256
e6de4c81718febc81a854f73793ffb493187391299fba6024d67768c0c96d4a8

SHA512
2f7ba2abfda6a2993155242f2681abc84477135bea9245391336ce8d0260244ff508c70bd1f63294f4cd061b1abdce67a80c36f4037961678e80dd9c2bf2f545

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

Filesize
377KB

MD5
4a36a48e58829c22381572b2040b6fe0

SHA1
f09d30e44ff7e3f20a5de307720f3ad148c6143b

SHA256
3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

SHA512
5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

Download Submit
\Windows\SysWOW64\259528770.txt

Filesize
899KB

MD5
ce5066885e8289d61b3c8873f9aabfc8

SHA1
7fd3cd145f8329b16548cb8984a0c5aad5d49f55

SHA256
6e72d6798eb282e62f1f39bbfbde830eea521dbf6ae0b0ac718675b51b8d3db6

SHA512
67a497fdefb84c32e0e687118a4371d55080e0cc1aa97d95eb3e31900441fb7e3d122e0c87b6551c7f1e1c1057254aff2a1c722ed77de9a6f2f0602ee5bb0d46

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2324-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2324-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2324-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2884-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download