gh0strat | 863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 18:04

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General

Target

863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
Size

2.4MB
MD5

2d1d5a4ffea82455fb418468d320e6f6
SHA1

09bb4b96b96e718940a8c1dc6fa724732012bd4d
SHA256

863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4
SHA512

e66a2a5fa3670da7b8ac1bdce8663b61d14bb4ccecbe3065fcea4226b189b65340e637c258bd062eccaf233464561f0dbebc1820b9a2e4f8d1a59cc979e063a5
SSDEEP

49152:9CwsbCANnKXferL7Vwe/Gg0P+WhbYF7R2w:Aws2ANnKXOaeOgmhgR2w

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/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2560-34-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-49-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2740-52-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014539-6.dat	family_gh0strat
behavioral1/memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2560-34-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-49-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2740-52-0x0000000010000000-0x00000000101B6000-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\\259393922.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
2740	TXPlatfor.exe
2952	HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
2880	Remote Data.exe

Loads dropped DLL 9 IoCs

pid	Process
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
2136	R.exe
2548	svchost.exe
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
2752	TXPlatfor.exe
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
2768	Process not Found
2548	svchost.exe
2880	Remote Data.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2560-34-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-49-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2740-52-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\259393922.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
2512	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2740	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2560	N.exe
Token: SeLoadDriverPrivilege	2740	TXPlatfor.exe
Token: 33	2740	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2740	TXPlatfor.exe
Token: 33	2740	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2740	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2136	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	28
PID 1752 wrote to memory of 2136	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	28
PID 1752 wrote to memory of 2136	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	28
PID 1752 wrote to memory of 2136	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	28
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	31
PID 1752 wrote to memory of 2560	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.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 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 2752 wrote to memory of 2740	2752	TXPlatfor.exe	34
PID 1752 wrote to memory of 2952	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	35
PID 1752 wrote to memory of 2952	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	35
PID 1752 wrote to memory of 2952	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	35
PID 1752 wrote to memory of 2952	1752	863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe	35
PID 2828 wrote to memory of 2512	2828	cmd.exe	38
PID 2828 wrote to memory of 2512	2828	cmd.exe	38
PID 2828 wrote to memory of 2512	2828	cmd.exe	38
PID 2828 wrote to memory of 2512	2828	cmd.exe	38
PID 2548 wrote to memory of 2880	2548	svchost.exe	39
PID 2548 wrote to memory of 2880	2548	svchost.exe	39
PID 2548 wrote to memory of 2880	2548	svchost.exe	39
PID 2548 wrote to memory of 2880	2548	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
"C:\Users\Admin\AppData\Local\Temp\863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.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:2512
- C:\Users\Admin\AppData\Local\Temp\HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe
  C:\Users\Admin\AppData\Local\Temp\HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.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\259393922.txt",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2880

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:2740

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
2.4MB

MD5
32fc7958be0c55a4e59f59423ff580fe

SHA1
92be6dcfaa1428120ca91e0b9a3a1e4d1e3ae3c5

SHA256
221cca3d86bd76e048b250e5f8c869bf462d9d4fe665af832ad794866ad0ee01

SHA512
ea842038fdd19a3e5ed93686a234847f6048300865fadb328a335f52dc5d35f2f3568b0164eda543c7616df8ac3905041091daeec09b4d38446762fa2723e3a2

Download Submit
\Users\Admin\AppData\Local\Temp\HD_863857dbc268b46d52f171cac8a8e33cf5c4c772e4c8a7991a92d0edf3a3dfc4.exe

Filesize
16KB

MD5
4c1ae97067353b081f801ffab4e1d493

SHA1
5d3403edc0024ce92d2899a1a85be4a9bcce594f

SHA256
6b4b2ac06a3bf650754ab98f35599ab359acf52f8e48b60b4952ad2821bfa00e

SHA512
06b091907a256c8e2088f78cf3075764a7a4d38f79170178cd495f72d8c4eed4856beeca6374905d084c10867b8c6c33fb7c19f097e40820021530009ac71d1e

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\259393922.txt

Filesize
899KB

MD5
2910fb04ebe31c738bb3048a9a6f0ec5

SHA1
e2cbd261065c370e165207e8fbabacd0d31b933d

SHA256
e680750807d62ff302c0623e42addc4aea34d3ad072ffd122925c4b50385c055

SHA512
a0ac8427e9996dde2f66c3db3aa9cc272210d69bb5ae3ec1620b6fe93039d7c1a6023d19c9b9f0494b439133f3272732627925ea5fb1e7d41dbea17fc17c0739

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

Filesize
1.7MB

Download
memory/2560-34-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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

Filesize
1.7MB

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

Filesize
1.7MB

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

Filesize
1.7MB

Download
memory/2740-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2740-49-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2740-52-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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

Filesize
1.7MB

Download