gh0strat | da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b

General

Target

da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe
Size

2.8MB
MD5

11c71b26ecf87bd8b3741160231056af
SHA1

567738d7f533490c27ea3ffea7361e95f85a674b
SHA256

da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b
SHA512

6dd2474e4689732d1c620385241bff2397c82e7e838268af8c2c6b1534749423ad4f87c7b2970167dd3fe1144c08ff6ffe2a764f13df32f721f76ca0cc8aa73f
SSDEEP

24576:HCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHI:HCwsbCANnKXferL7Vwe/Gg0P+WhbH

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 5 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2196-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2528-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2528-46-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2528-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 6 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259423641.txt	family_gh0strat
behavioral1/memory/2196-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2528-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2528-46-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2528-47-0x0000000010000000-0x00000000101B6000-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

Processes:

TXPlatfor.exe

description ioc process

File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe

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

Processes:

R.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259423641.txt"	R.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

TXPlatfor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys"	TXPlatfor.exe

Executes dropped EXE 5 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exe

pid process

1116 R.exe
2196 N.exe
1036 TXPlatfor.exe
2528 TXPlatfor.exe
2960 Remote Data.exe

pid	process
1116	R.exe
2196	N.exe
1036	TXPlatfor.exe
2528	TXPlatfor.exe
2960	Remote Data.exe

Loads dropped DLL 7 IoCs

Processes:

da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe
1116	R.exe
1724	svchost.exe
1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe
1036	TXPlatfor.exe
1724	svchost.exe
2960	Remote Data.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2196-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2196-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2528-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2528-46-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2528-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259423641.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

Processes:

PING.EXE

pid process

2496 PING.EXE
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2528 TXPlatfor.exe

pid	process
2496	PING.EXE

pid	process
2528	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2196	N.exe
Token: SeLoadDriverPrivilege	2528	TXPlatfor.exe
Token: 33	2528	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2528	TXPlatfor.exe
Token: 33	2528	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2528	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe

pid	process
1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe
1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 1196 wrote to memory of 1116	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	R.exe
PID 1196 wrote to memory of 1116	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	R.exe
PID 1196 wrote to memory of 1116	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	R.exe
PID 1196 wrote to memory of 1116	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	R.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 1196 wrote to memory of 2196	1196	da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe	N.exe
PID 2196 wrote to memory of 2612	2196	N.exe	cmd.exe
PID 2196 wrote to memory of 2612	2196	N.exe	cmd.exe
PID 2196 wrote to memory of 2612	2196	N.exe	cmd.exe
PID 2196 wrote to memory of 2612	2196	N.exe	cmd.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 1036 wrote to memory of 2528	1036	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2496	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2496	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2496	2612	cmd.exe	PING.EXE
PID 2612 wrote to memory of 2496	2612	cmd.exe	PING.EXE
PID 1724 wrote to memory of 2960	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2960	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2960	1724	svchost.exe	Remote Data.exe
PID 1724 wrote to memory of 2960	1724	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe
"C:\Users\Admin\AppData\Local\Temp\da81d642d4f243a016c7a8f5b0cc35b9ec4c511c5c7688ce7d9b8f850814250b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1196

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:1116

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:2196

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:2612

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2496

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:1904

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:1724

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259423641.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2960

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1036

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:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Desktop\SwitchFormat.exe

Filesize
3.3MB

MD5
375070d06044ac51d7aecae638534e16

SHA1
c8aa8cef902940d8f6f2ca7f183b2f2e0e77f33c

SHA256
17eb7989b066a35b23c465be9eb8203cba49efbb862dd66bf87e5ea78c7a358f

SHA512
dedfe290524e84f73bf6ae024ed58fd893f9b1086f88165f56afa518e8ece3268d404895f42c3e8961403c7ebcaae619367e92e9bc845e3529d26c2b3d058ff1

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\259423641.txt

Filesize
899KB

MD5
648299ddb7a7a8c6ec43b47cb02020e5

SHA1
e7dc32b90d9cad927a26ffff5845703ffde0c2ec

SHA256
b007110c106296506ae8b284058f0a8a4301bd26d199da1909edbeb3241728c5

SHA512
5d7070c0f7a9114acbfb387fdacc85dae2ece1182a57af84a52df29f61b4a7cfb2719b857bfa146f1b48ebf8d0786c00535b8ee857a48e2f92f6e6f255ea67b3

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2196-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2196-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-46-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2528-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads