57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8

General

Target

57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe
Size

376KB
MD5

b9d14ea30ffa2930ba00e3123edb1b2f
SHA1

9d922046f22c796186bd55b2e78c297a08b60a75
SHA256

57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8
SHA512

81f2b456e06b5e8b1dceb72a4d9f0571f2c7d8a1eb916b739d993c9c6d16b64711dfcd40ccbe58733aa7faf15d164d1a0ffbe5d5065df999da6645a67a4b5267
SSDEEP

6144:A9ufYgqOwOQCPTbksaYhBaBt9pqT2pKsEQN89xUNdD9nFSpXbe9zum7lflnIcLRH:qgXPHVh0Bt9oSPqUNdDHOy9JflxRPco

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

MUpdate.exe

pid process

3728 MUpdate.exe
Loads dropped DLL 1 IoCs

Processes:

MUpdate.exe

pid process

3728 MUpdate.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MUpdate.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CTFM0N = "c:\\J240584625carp240584625\\MUpdate.exe c:\\J24058~1\\Qjkot.dll,ALSTS_ExecuteAction"	MUpdate.exe

Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

MUpdate.exe

description ioc process

File opened (read-only) \??\a: MUpdate.exe
File opened (read-only) \??\b: MUpdate.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

MUpdate.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 MUpdate.exe

description	ioc	process
File opened (read-only)	\??\a:	MUpdate.exe
File opened (read-only)	\??\b:	MUpdate.exe

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	MUpdate.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MUpdate.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MUpdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MUpdate.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4300 PING.EXE

pid	process
4300	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

MUpdate.exe

pid	process
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe
3728	MUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe

pid process

1380 57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe

pid	process
1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.execmd.exe

description	pid	process	target process
PID 1380 wrote to memory of 3728	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	MUpdate.exe
PID 1380 wrote to memory of 3728	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	MUpdate.exe
PID 1380 wrote to memory of 3728	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	MUpdate.exe
PID 1380 wrote to memory of 4672	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	cmd.exe
PID 1380 wrote to memory of 4672	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	cmd.exe
PID 1380 wrote to memory of 4672	1380	57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe	cmd.exe
PID 4672 wrote to memory of 4300	4672	cmd.exe	PING.EXE
PID 4672 wrote to memory of 4300	4672	cmd.exe	PING.EXE
PID 4672 wrote to memory of 4300	4672	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe
"C:\Users\Admin\AppData\Local\Temp\57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380

\??\c:\J240584625carp240584625\MUpdate.exe
c:\J240584625carp240584625\MUpdate.exe "c:\J240584625carp240584625\Qjkot.dll",ALSTS_ExecuteAction
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3728

C:\Windows\SysWOW64\cmd.exe
cmd /c ping 127.0.0.1 -n 3&del "C:\Users\Admin\AppData\Local\Temp\57d0fa9b3e5a00b72597ab1464bd2d296135e61c71b3a4a6e5bc662e0ae835f8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
3⤵
- Runs ping.exe
PID:4300

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\J240584625carp240584625\MUpdate.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\J240584625carp240584625\Qjkot.dll
Filesize
86.3MB

MD5
173c49cbd5618bc7d46214b105c9de39

SHA1
f14666689fd46b17fe12a8c4d1ac0cf95b913302

SHA256
f3a2e144b957ebddd414b63b7cdfdc05e561ac6d3ed29a57eb5e498ad5c4648e

SHA512
ce900c68d8d21cf3e3380f99a5a8a8d07fdeb514555130080ca3bfb39a00480707f0229616ee8cb0981d26a2a351a68e98a707d85afa22677e927e05dfa2ea41

Download Submit
\??\c:\J240584625carp240584625\MUpdate.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
\??\c:\J240584625carp240584625\Qjkot.dll
Filesize
86.3MB

MD5
173c49cbd5618bc7d46214b105c9de39

SHA1
f14666689fd46b17fe12a8c4d1ac0cf95b913302

SHA256
f3a2e144b957ebddd414b63b7cdfdc05e561ac6d3ed29a57eb5e498ad5c4648e

SHA512
ce900c68d8d21cf3e3380f99a5a8a8d07fdeb514555130080ca3bfb39a00480707f0229616ee8cb0981d26a2a351a68e98a707d85afa22677e927e05dfa2ea41

Download Submit
memory/3728-132-0x0000000000000000-mapping.dmp

Download
memory/4300-138-0x0000000000000000-mapping.dmp

Download
memory/4672-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads