gh0strat | ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c

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
14/03/2024, 17:58

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General

Target

ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
Size

2.3MB
MD5

c2136ed84bf13d025e3a9e17873375b8
SHA1

1e8f7e846565c3b7c8c76de5961f26dd792683dd
SHA256

ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c
SHA512

e4b9f643fc2eab7f2df9f6f40c8f0f9a951d8e7b6e89661baef7435679ee74b5ffb511f6350f11140958af05081befd2accf375f7547c9e252e6d9138b2e47ad
SSDEEP

24576:6CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHd:6CwsbCANnKXferL7Vwe/Gg0P+Wh3u

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
behavioral1/memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-32-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-51-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2632-53-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014539-6.dat	family_gh0strat
behavioral1/memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-32-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-51-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2632-53-0x0000000010000000-0x00000000101B6000-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\\259393813.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
2136	R.exe
2560	N.exe
2752	TXPlatfor.exe
2632	TXPlatfor.exe
2952	HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
2868	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
2136	R.exe
2548	svchost.exe
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
2752	TXPlatfor.exe
2472	Process not Found
2548	svchost.exe
2868	Remote Data.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2560-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-32-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-51-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2632-53-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259393813.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
2944	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2632	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2560	N.exe
Token: SeLoadDriverPrivilege	2632	TXPlatfor.exe
Token: 33	2632	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatfor.exe
Token: 33	2632	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2632	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2136	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	28
PID 1752 wrote to memory of 2136	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	28
PID 1752 wrote to memory of 2136	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	28
PID 1752 wrote to memory of 2136	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	28
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 1752 wrote to memory of 2560	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	31
PID 2560 wrote to memory of 2828	2560	N.exe	33
PID 2560 wrote to memory of 2828	2560	N.exe	33
PID 2560 wrote to memory of 2828	2560	N.exe	33
PID 2560 wrote to memory of 2828	2560	N.exe	33
PID 1752 wrote to memory of 2952	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	35
PID 1752 wrote to memory of 2952	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	35
PID 1752 wrote to memory of 2952	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	35
PID 1752 wrote to memory of 2952	1752	ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe	35
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2752 wrote to memory of 2632	2752	TXPlatfor.exe	36
PID 2828 wrote to memory of 2944	2828	cmd.exe	38
PID 2828 wrote to memory of 2944	2828	cmd.exe	38
PID 2828 wrote to memory of 2944	2828	cmd.exe	38
PID 2828 wrote to memory of 2944	2828	cmd.exe	38
PID 2548 wrote to memory of 2868	2548	svchost.exe	39
PID 2548 wrote to memory of 2868	2548	svchost.exe	39
PID 2548 wrote to memory of 2868	2548	svchost.exe	39
PID 2548 wrote to memory of 2868	2548	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
"C:\Users\Admin\AppData\Local\Temp\ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752
- 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:2136
- 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:2560
- - 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:2828
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2944
- C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
  C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
  2⤵
  - Executes dropped EXE
  PID:2952

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1916

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:2548
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393813.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2868

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2632

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

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
2.3MB

MD5
d50d6a78f09a72b5e9bc60cb4c8bd769

SHA1
d7e4f5cc5ab00f5038259401cc80c1e6ccfbd20b

SHA256
853f48536946e557517b1498a67ca085821d5e2e57d76b83d7a61bdc8acf2f21

SHA512
7d71358b6b327d0f7fd4218b10f08e6acb5e2204ecf76bdbc78f6cece76aa40c6fc87306877b7dfa2720d2daf05d104740c6dd2bd2531c5a83952960dc6fdb0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe

Filesize
23KB

MD5
464b700fa4c636730b49b3df968563e2

SHA1
51d96feac9a518edb5e6d8d89289dee67cfad13c

SHA256
c59de82e1f2de5ff89d0980f347827e564efb36c3d9020d8c0a81c605c37a37a

SHA512
73fda25075d2bdbd802793cb3093a00a43c84e21ded689d2aadd0bcd7b1e4d38acfa53e823c95fbc65bbab4e9396d4648346a533f01de02282df1fc83fb65bc6

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\259393813.txt

Filesize
899KB

MD5
b62c61cfc9e1affa13d6d1e848c67698

SHA1
3daaa714a351537952edf635e1ca7129a141ccca

SHA256
21256c1862937d049952299916737dc1dba091fed80fd7fa100010878562ca32

SHA512
7f7085df5e1c3f0307a3c57b1a8584860ecd97814ba0ffc002bbfbb8a8e12d1084f46f760b9279b747ae24666c522286aab96ab5859d7f3abe74fd706c4cdda8

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2560-32-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2560-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-51-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2632-53-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download