gh0strat | 85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 15:25

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General

Target

85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe
Size

2.6MB
MD5

b7ab152e368ea6fe0d229abe91990339
SHA1

2c1311fff35a9a787b537902d996779dea890a39
SHA256

85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad
SHA512

14d35c3ed86c857ea03615de2211ed5e0480a3207cec35e1aab58f00b274b99d47b5e9b0a0ae2f624a6e738a3ee850292a5c091799d8bddbdce2a4e21d97c7ef
SSDEEP

24576:ECwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHg:ECwsbCANnKXferL7Vwe/Gg0P+WhHBgq

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/2712-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2712-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2880-38-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral1/files/0x0036000000016c67-6.dat	family_gh0strat
behavioral1/memory/2712-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2712-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2880-38-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2880-43-0x0000000010000000-0x00000000101B6000-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\\259404546.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
1580	R.exe
2712	N.exe
2600	TXPlatfor.exe
2880	TXPlatfor.exe
2508	Remote Data.exe

Loads dropped DLL 7 IoCs

pid	Process
2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe
1580	R.exe
1912	svchost.exe
2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe
2600	TXPlatfor.exe
1912	svchost.exe
2508	Remote Data.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2712-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2712-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2712-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2880-38-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2880-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\TXPlatfor.exe	N.exe
File created	C:\Windows\SysWOW64\259404546.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2524	PING.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2880	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2712	N.exe
Token: SeLoadDriverPrivilege	2880	TXPlatfor.exe
Token: 33	2880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2880	TXPlatfor.exe
Token: 33	2880	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2880	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe
2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1580	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	28
PID 2368 wrote to memory of 1580	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	28
PID 2368 wrote to memory of 1580	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	28
PID 2368 wrote to memory of 1580	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	28
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2368 wrote to memory of 2712	2368	85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe	31
PID 2712 wrote to memory of 2500	2712	N.exe	33
PID 2712 wrote to memory of 2500	2712	N.exe	33
PID 2712 wrote to memory of 2500	2712	N.exe	33
PID 2712 wrote to memory of 2500	2712	N.exe	33
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2600 wrote to memory of 2880	2600	TXPlatfor.exe	35
PID 2500 wrote to memory of 2524	2500	cmd.exe	36
PID 2500 wrote to memory of 2524	2500	cmd.exe	36
PID 2500 wrote to memory of 2524	2500	cmd.exe	36
PID 2500 wrote to memory of 2524	2500	cmd.exe	36
PID 1912 wrote to memory of 2508	1912	svchost.exe	37
PID 1912 wrote to memory of 2508	1912	svchost.exe	37
PID 1912 wrote to memory of 2508	1912	svchost.exe	37
PID 1912 wrote to memory of 2508	1912	svchost.exe	37

C:\Users\Admin\AppData\Local\Temp\85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe
"C:\Users\Admin\AppData\Local\Temp\85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368
- 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:1580
- 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:2712
- - 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:2500
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 2 127.0.0.1
      4⤵
      Runs ping.exe
      PID:2524

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2560

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:1912
- C:\Windows\SysWOW64\Remote Data.exe
  "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259404546.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2508

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600
- 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:2880

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
2.6MB

MD5
b7ab152e368ea6fe0d229abe91990339

SHA1
2c1311fff35a9a787b537902d996779dea890a39

SHA256
85372d5b236a299db7c90b08b04985836094b2335ada801285bce028df9f29ad

SHA512
14d35c3ed86c857ea03615de2211ed5e0480a3207cec35e1aab58f00b274b99d47b5e9b0a0ae2f624a6e738a3ee850292a5c091799d8bddbdce2a4e21d97c7ef

Download Submit
C:\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\259404546.txt

Filesize
899KB

MD5
61a6b466b72e640f69588d1512f5e527

SHA1
45c057722abfd59d38b8ba8c2e58ca0f6f8410dd

SHA256
c25d3e9d3ed6235ce00c01bf66858a3b654260c9c07a6e0f642e751cd93a6c54

SHA512
b0b71d71b283706e5354b31a6ed4f366bf7bef4457cc738fa50dd1bfd9166fb73929dfd73c7e1c2a2306d62dba3d3ad8411b9455e261008e0e17e6cfa6a16b28

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2712-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2712-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-38-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2880-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads