gh0strat | fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 19:55

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General

Target

fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe
Size

2.4MB
MD5

40045bc5ea3945a7d9029649b981445f
SHA1

426bf9f7c8c1e8c9407bfc2f157376e175254b17
SHA256

fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87
SHA512

b712eb107ed37cea856d0b007f1b56ab3b57464ebcd0f5bdfc1fb73c9fd1795bf7421f5320d6cb4140a62981e6eddba3720c28642f9957e24f4d0d89b7993f82
SSDEEP

49152:rCwsbCANnKXferL7Vwe/Gg0P+WhnhW956H:uws2ANnKXOaeOgmhhW36H

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/2248-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2248-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2044-39-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2044-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2044-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x002d000000014665-7.dat	family_gh0strat
behavioral1/memory/2248-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2248-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2044-39-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2044-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2044-44-0x0000000010000000-0x00000000101B6000-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\\259396184.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 5 IoCs

pid	Process
3048	R.exe
2248	N.exe
2644	TXPlatfor.exe
2044	TXPlatfor.exe
1912	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe
3048	R.exe
2760	svchost.exe
2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe
2644	TXPlatfor.exe
2760	svchost.exe
1912	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2248-19-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2248-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2044-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2044-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2044-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259396184.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
2692	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2044	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2248	N.exe
Token: SeLoadDriverPrivilege	2044	TXPlatfor.exe
Token: 33	2044	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2044	TXPlatfor.exe
Token: 33	2044	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2044	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe
2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 3048	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	28
PID 2880 wrote to memory of 3048	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	28
PID 2880 wrote to memory of 3048	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	28
PID 2880 wrote to memory of 3048	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	28
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2880 wrote to memory of 2248	2880	fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe	31
PID 2248 wrote to memory of 2576	2248	N.exe	33
PID 2248 wrote to memory of 2576	2248	N.exe	33
PID 2248 wrote to memory of 2576	2248	N.exe	33
PID 2248 wrote to memory of 2576	2248	N.exe	33
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2644 wrote to memory of 2044	2644	TXPlatfor.exe	35
PID 2576 wrote to memory of 2692	2576	cmd.exe	36
PID 2576 wrote to memory of 2692	2576	cmd.exe	36
PID 2576 wrote to memory of 2692	2576	cmd.exe	36
PID 2576 wrote to memory of 2692	2576	cmd.exe	36
PID 2760 wrote to memory of 1912	2760	svchost.exe	37
PID 2760 wrote to memory of 1912	2760	svchost.exe	37
PID 2760 wrote to memory of 1912	2760	svchost.exe	37
PID 2760 wrote to memory of 1912	2760	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe
"C:\Users\Admin\AppData\Local\Temp\fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2880
- 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:3048
- 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:2248
- - 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:2576
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2692

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1752

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:2760
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259396184.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1912

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2044

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

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Downloads

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

Filesize
2.4MB

MD5
40045bc5ea3945a7d9029649b981445f

SHA1
426bf9f7c8c1e8c9407bfc2f157376e175254b17

SHA256
fb3c66dd441fb13843ee3566ca5a203056c3a401e9f8bcf08ddb77f92b669f87

SHA512
b712eb107ed37cea856d0b007f1b56ab3b57464ebcd0f5bdfc1fb73c9fd1795bf7421f5320d6cb4140a62981e6eddba3720c28642f9957e24f4d0d89b7993f82

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\259396184.txt

Filesize
899KB

MD5
da04267900c30af165894dab0a16ba64

SHA1
5647de45be0ac49f961ffcafaf6c5d49f18a2f9f

SHA256
4c55fe353901ee8fd48f3bb3e733b9c058c9132d1e55198c1d582c663055df53

SHA512
ec1a3d25b96b9a5ea7e699e09991c8ba967dd39a29d9dde9ab3742d4fc3821f2909c1bdacaad073a2964417e8f9ee0a1393da9c3e6e17faa71b67469dada61a0

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2044-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2044-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2044-44-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-19-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2248-22-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-0-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads