gh0strat | bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-06-2024 07:37

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General

Target

bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe
Size

2.8MB
MD5

d276911e8ee2892f59dbb482fcc666d9
SHA1

c8c3059dcbfac2493969b0d2f4408296836d5d16
SHA256

bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac
SHA512

f6d654978be8f237f45b0954f13e301a349a017f95f53ef06a9a49644a8aef59073f7a5ff1e9d6075e3c3ec9aa1d7af9cf7c4272978db8968858e73f418d2ea2
SSDEEP

49152:PCwsbCANnKXferL7Vwe/Gg0P+Wh42v+Ky:aws2ANnKXOaeOgmh4q+Ky

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/memory/2020-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2020-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-36-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-37-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/files/0x002d0000000144e9-6.dat	family_gh0strat
behavioral1/memory/2020-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2020-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-36-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-37-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-43-0x0000000010000000-0x00000000101B6000-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\\259395155.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
2176	R.exe
2020	N.exe
2628	TXPlatfor.exe
2752	TXPlatfor.exe
2516	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe
2176	R.exe
2208	svchost.exe
2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe
2628	TXPlatfor.exe
2208	svchost.exe
2516	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2020-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2020-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2020-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-36-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-37-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\259395155.txt	R.exe
File opened for modification	C:\Windows\SysWOW64\ini.ini	R.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2604	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2752	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2020	N.exe
Token: SeLoadDriverPrivilege	2752	TXPlatfor.exe
Token: 33	2752	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2752	TXPlatfor.exe
Token: 33	2752	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2752	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe
2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2176	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	28
PID 2944 wrote to memory of 2176	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	28
PID 2944 wrote to memory of 2176	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	28
PID 2944 wrote to memory of 2176	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	28
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2944 wrote to memory of 2020	2944	bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe	31
PID 2020 wrote to memory of 2892	2020	N.exe	33
PID 2020 wrote to memory of 2892	2020	N.exe	33
PID 2020 wrote to memory of 2892	2020	N.exe	33
PID 2020 wrote to memory of 2892	2020	N.exe	33
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2628 wrote to memory of 2752	2628	TXPlatfor.exe	34
PID 2892 wrote to memory of 2604	2892	cmd.exe	36
PID 2892 wrote to memory of 2604	2892	cmd.exe	36
PID 2892 wrote to memory of 2604	2892	cmd.exe	36
PID 2892 wrote to memory of 2604	2892	cmd.exe	36
PID 2208 wrote to memory of 2516	2208	svchost.exe	37
PID 2208 wrote to memory of 2516	2208	svchost.exe	37
PID 2208 wrote to memory of 2516	2208	svchost.exe	37
PID 2208 wrote to memory of 2516	2208	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe
"C:\Users\Admin\AppData\Local\Temp\bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944
- 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:2176
- 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:2020
- - 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:2892
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2604

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:280

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:2208
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395155.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2516

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2752

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

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Downloads

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

Filesize
2.8MB

MD5
d276911e8ee2892f59dbb482fcc666d9

SHA1
c8c3059dcbfac2493969b0d2f4408296836d5d16

SHA256
bd8c1729691d491ce0c024da59c451ab7e043f3fb82e8541b5472a65f16798ac

SHA512
f6d654978be8f237f45b0954f13e301a349a017f95f53ef06a9a49644a8aef59073f7a5ff1e9d6075e3c3ec9aa1d7af9cf7c4272978db8968858e73f418d2ea2

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\259395155.txt

Filesize
899KB

MD5
a088ce29f9065bd7cf0510af14133f19

SHA1
9d11564fc377d3c9ecf60be74a459a1eb653abf0

SHA256
8b983f6a1c54e55216db5e626bd29f74c12c4bf08f61a19a61800dbbe9cb2418

SHA512
bf1af02cec3a13847f0d96224c8ef46751f0261e93baa65c144e67d7ef76243ec4f8e7fe8988446c6bf243953c38d083a512679a71036c1e5657e47c3b360e65

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2020-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2020-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2020-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-36-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-37-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2752-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads