gh0strat | 745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 02:44

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General

Target

745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
Size

3.4MB
MD5

a661fd5cc77dd90803435e8d9c26ab6a
SHA1

e6a7ef8c815d9471b5b4c3cbcf148f610adae4ed
SHA256

745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a
SHA512

5e03875cc7cca86b237f9f63495d841e008cc7451d5f9956f94f8798fb14dbf3aaede0756e9cd055708c720c4cf670969de8e54f598fc06ab4323eaad3521d5a
SSDEEP

49152:ZCwsbCANnKXferL7Vwe/Gg0P+WhwJDmn2uO0YZZuOZ:Uws2ANnKXOaeOgmhwJDmn2uO0YZZuY

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/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-45-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2508-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0038000000015d28-6.dat	family_gh0strat
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-45-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2508-48-0x0000000010000000-0x00000000101B6000-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

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\\259399928.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
1188	R.exe
2592	N.exe
2700	TXPlatfor.exe
2508	TXPlatfor.exe
2524	HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
2936	Remote Data.exe

Loads dropped DLL 8 IoCs

pid	Process
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
1188	R.exe
1780	svchost.exe
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
2700	TXPlatfor.exe
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
1780	svchost.exe
2936	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-45-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2508-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259399928.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe
File created	C:\Windows\SysWOW64\Remote Data.exe	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2496	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2508	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2592	N.exe
Token: SeLoadDriverPrivilege	2508	TXPlatfor.exe
Token: 33	2508	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2508	TXPlatfor.exe
Token: 33	2508	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2508	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1188	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	28
PID 2236 wrote to memory of 1188	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	28
PID 2236 wrote to memory of 1188	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	28
PID 2236 wrote to memory of 1188	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	28
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2236 wrote to memory of 2592	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	31
PID 2592 wrote to memory of 2624	2592	N.exe	33
PID 2592 wrote to memory of 2624	2592	N.exe	33
PID 2592 wrote to memory of 2624	2592	N.exe	33
PID 2592 wrote to memory of 2624	2592	N.exe	33
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2700 wrote to memory of 2508	2700	TXPlatfor.exe	34
PID 2236 wrote to memory of 2524	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	36
PID 2236 wrote to memory of 2524	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	36
PID 2236 wrote to memory of 2524	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	36
PID 2236 wrote to memory of 2524	2236	745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe	36
PID 2624 wrote to memory of 2496	2624	cmd.exe	37
PID 2624 wrote to memory of 2496	2624	cmd.exe	37
PID 2624 wrote to memory of 2496	2624	cmd.exe	37
PID 2624 wrote to memory of 2496	2624	cmd.exe	37
PID 1780 wrote to memory of 2936	1780	svchost.exe	38
PID 1780 wrote to memory of 2936	1780	svchost.exe	38
PID 1780 wrote to memory of 2936	1780	svchost.exe	38
PID 1780 wrote to memory of 2936	1780	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
"C:\Users\Admin\AppData\Local\Temp\745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- 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:1188
- 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:2592
- - 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:2624
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2496
- C:\Users\Admin\AppData\Local\Temp\HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
  C:\Users\Admin\AppData\Local\Temp\HD_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe
  2⤵
  - Executes dropped EXE
  PID:2524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1788

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:1780
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399928.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2936

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700
- 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:2508

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_745624d74a65222595092ac4c947894341c2c2fcca7f6ae2e85e7bec05c36a4a.exe

Filesize
795KB

MD5
f14fc9f534c942187db6c5b3c24f618d

SHA1
16904b99a5740e5109ffa994be486e7e68ec9ac5

SHA256
ebb2e909c542c66c0a2a8ccb6744e056659285749c771de3a330a6eec5c3fc9c

SHA512
3d96c582143a65b3e4607a2b69aca3a6816ae2e617cdf7bc5734f6402e80f966412e8a30026c83553533789a64a58323adafddb094bfbf0867ca7eeb8edc14ce

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

Filesize
2.7MB

MD5
38cc0a684279c19b41c55109aac50d90

SHA1
4b7ec9154d0e3ae331fcce06b69beeb3d7454b69

SHA256
a49d65d226568be7b2b66774db17ea3dcb7412d780e400f730c36c3a81b7570c

SHA512
80a392506d31735b760b20128136d827933e7db7bcc07c09673dcfb75382dc586d3d76e7236ec7a5c9e722ec88fd6d757516f8a43c6c4f08464ecedfb6685d85

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\259399928.txt

Filesize
899KB

MD5
31f20a09b1519c434efe599ea41831c8

SHA1
acefe962b242d03a02409fe0268d94f17ffd9d5c

SHA256
cf6a571461e01b178a764af72af9f81f7436c4401d5ff1b27e3bf043b448b7f4

SHA512
b674c258b24df0120062c02f366e6083829f7f1c90e7d929bd073ee07a8efea77fc09cbf211b73f51e0d61b02bff39b29a63b4f184728f6f1a676d100aa77063

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2508-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-45-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2508-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download