gh0strat | cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b

General

Target

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
Size

2.6MB
MD5

ef61698c4f5d9be9e2743cd43b63ad01
SHA1

5626f90e3153e6a29e56433a223f05adec6f7459
SHA256

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b
SHA512

612381c9a8b9323a77caf4d60ef0bfd2580ffb34ca9decd6f4ef131b4b799842baaec8f8c84bd581be8e9f3ea350f5e79ce6ba7be5028df7295ae5599207808d
SSDEEP

24576:tCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHo:tCwsbCANnKXferL7Vwe/Gg0P+Whn0O8C

Score

10^/10

gh0strat purplefox persistence rat rootkit trojan upx

Malware Config

Signatures

Detect PurpleFox Rootkit 7 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-42-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-43-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-41-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-47-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit
behavioral1/memory/2424-48-0x0000000010000000-0x00000000101B6000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
\Windows\SysWOW64\259400381.txt	family_gh0strat
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-42-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-43-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-41-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-47-0x0000000010000000-0x00000000101B6000-memory.dmp	family_gh0strat
behavioral1/memory/2424-48-0x0000000010000000-0x00000000101B6000-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\\259400381.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 6 IoCs

Processes:

R.exeN.exeTXPlatfor.exeTXPlatfor.exeHD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exeRemote Data.exe

pid	process
2316	R.exe
2592	N.exe
2612	TXPlatfor.exe
2424	TXPlatfor.exe
2760	HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2656	Remote Data.exe

Loads dropped DLL 8 IoCs

Processes:

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exe

pid	process
2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2316	R.exe
2996	svchost.exe
2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2612	TXPlatfor.exe
2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2996	svchost.exe
2656	Remote Data.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-42-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-39-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-43-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-41-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-47-0x0000000010000000-0x00000000101B6000-memory.dmp	upx
behavioral1/memory/2424-48-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Drops file in System32 directory 6 IoCs

Processes:

R.exesvchost.exeN.exe

description	ioc	process
File created	C:\Windows\SysWOW64\259400381.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

2392 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe

pid process

2860 cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

TXPlatfor.exe

pid process

2424 TXPlatfor.exe

pid	process
2392	PING.EXE

pid	process
2424	TXPlatfor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

N.exeTXPlatfor.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2592	N.exe
Token: SeLoadDriverPrivilege	2424	TXPlatfor.exe
Token: 33	2424	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2424	TXPlatfor.exe
Token: 33	2424	TXPlatfor.exe
Token: SeIncBasePriorityPrivilege	2424	TXPlatfor.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe

pid	process
2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exeN.exeTXPlatfor.execmd.exesvchost.exe

description	pid	process	target process
PID 2860 wrote to memory of 2316	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	R.exe
PID 2860 wrote to memory of 2316	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	R.exe
PID 2860 wrote to memory of 2316	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	R.exe
PID 2860 wrote to memory of 2316	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	R.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2860 wrote to memory of 2592	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	N.exe
PID 2592 wrote to memory of 2552	2592	N.exe	cmd.exe
PID 2592 wrote to memory of 2552	2592	N.exe	cmd.exe
PID 2592 wrote to memory of 2552	2592	N.exe	cmd.exe
PID 2592 wrote to memory of 2552	2592	N.exe	cmd.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2612 wrote to memory of 2424	2612	TXPlatfor.exe	TXPlatfor.exe
PID 2860 wrote to memory of 2760	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
PID 2860 wrote to memory of 2760	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
PID 2860 wrote to memory of 2760	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
PID 2860 wrote to memory of 2760	2860	cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe	HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
PID 2552 wrote to memory of 2392	2552	cmd.exe	PING.EXE
PID 2552 wrote to memory of 2392	2552	cmd.exe	PING.EXE
PID 2552 wrote to memory of 2392	2552	cmd.exe	PING.EXE
PID 2552 wrote to memory of 2392	2552	cmd.exe	PING.EXE
PID 2996 wrote to memory of 2656	2996	svchost.exe	Remote Data.exe
PID 2996 wrote to memory of 2656	2996	svchost.exe	Remote Data.exe
PID 2996 wrote to memory of 2656	2996	svchost.exe	Remote Data.exe
PID 2996 wrote to memory of 2656	2996	svchost.exe	Remote Data.exe

C:\Users\Admin\AppData\Local\Temp\cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
"C:\Users\Admin\AppData\Local\Temp\cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860

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:2316

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:2592

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:2552

C:\Windows\SysWOW64\PING.EXE
ping -n 2 127.0.0.1
4⤵
- Runs ping.exe
PID:2392

C:\Users\Admin\AppData\Local\Temp\HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
C:\Users\Admin\AppData\Local\Temp\HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe
2⤵
- Executes dropped EXE
PID:2760

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
1⤵
PID:2480

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:2996

C:\Windows\SysWOW64\Remote Data.exe
"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259400381.txt",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2656

C:\Windows\SysWOW64\TXPlatfor.exe
C:\Windows\SysWOW64\TXPlatfor.exe -auto
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2612

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:2424

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\AppData\Local\Temp\HD_X.dat

Filesize
2.4MB

MD5
a0983755001514ca8a683e90ac8bfadb

SHA1
d573902d920683c6d0487e84a84b76cf5bbc801a

SHA256
88e30f9dcd33a3abe045b9cca4e0a651fcb29df29850d6737740f2a6fc1ba3ea

SHA512
3682b18319f45545862491a2763e39952b22bd59848b0f9d4587d73f0c71b4d8d5be079990ff9c5a9d781254622afb3b729183c4a4c19b9278aef5401ccc6aa8

Download Submit
\Users\Admin\AppData\Local\Temp\HD_cbafb16ae86a6208daebdaaf67ef84d8c757b354a693d2c4944c255b37c3fe0b.exe

Filesize
188KB

MD5
60b6fd19da0699a9e8d0ea867d5fc211

SHA1
2ed82c6ece3583e81d18a8adf5c915187453ec1e

SHA256
ddbecfe20997b74c29d9816a4a3853703da451ec40f6b752b294c1a3703fa1f4

SHA512
5813719ffeb1026eb52d7ef69b1d03df7c49d54b832e2643156c4c525b72048646897aeac18b37b6d0abb96f6294b917a7c9637c282c77adbdc46db91ed96fd6

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\259400381.txt

Filesize
899KB

MD5
3ac28d1ea3b0538ab343e9b7b133d9b2

SHA1
e16ab6814cb6f1cd86600fc2eeb40f32a19ae118

SHA256
cd186e0d3a1f6ee831d10df0dacfaea8252586c9621404ba8b604c6992cff2d8

SHA512
82120a11c2a0845063a3463e48691831b7be428c50344c65cf9bc28d1abaf1795fe8a4bdec2838e8ab53e8ed9b99d5781a7d1aaccb8cf0c92eb1bd027e6a9674

Download Submit
\Windows\SysWOW64\Remote Data.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/2424-43-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-42-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-39-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-41-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-47-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2424-48-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-18-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-21-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download
memory/2592-20-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads