49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51

Analysis

max time kernel
204s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12-07-2022 14:58

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General

Target

49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51.exe
Size

1.2MB
MD5

597f6110fa73a2bad89341afed59cd97
SHA1

f17fe429934d5f23219aa3fda89e078efbd9daf1
SHA256

49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51
SHA512

606b1a3d1b21635a1bf2f7a06ead437bedd00797489a88196108c93037d57f8d26c2db825cdb5ebbd6a7d5e7167f1313c2f597c6ea5c007b8aa581bee64cb9ea

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4952	mmcbase.exe
5020	mmcbase.exe
4988	mmcbase.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00060000000231dc-130.dat	autoit_exe
behavioral2/files/0x00060000000231dc-131.dat	autoit_exe
behavioral2/files/0x00060000000231dc-132.dat	autoit_exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\WinMgmts:\	mmcbase.exe
File opened for modification	C:\Windows\SysWOW64\WinMgmts:\	mmcbase.exe
File opened for modification	C:\Windows\SysWOW64\WinMgmts:\	mmcbase.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\WinMgmts:\	49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe
5020	mmcbase.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1844	49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51.exe

C:\Users\Admin\AppData\Local\Temp\49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51.exe
"C:\Users\Admin\AppData\Local\Temp\49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51.exe"
1⤵
- NTFS ADS
- Suspicious behavior: RenamesItself
PID:1844

C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4952

C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:5020

C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe

Filesize
1.2MB

MD5
597f6110fa73a2bad89341afed59cd97

SHA1
f17fe429934d5f23219aa3fda89e078efbd9daf1

SHA256
49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51

SHA512
606b1a3d1b21635a1bf2f7a06ead437bedd00797489a88196108c93037d57f8d26c2db825cdb5ebbd6a7d5e7167f1313c2f597c6ea5c007b8aa581bee64cb9ea

Download Submit
C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe

Filesize
1.2MB

MD5
597f6110fa73a2bad89341afed59cd97

SHA1
f17fe429934d5f23219aa3fda89e078efbd9daf1

SHA256
49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51

SHA512
606b1a3d1b21635a1bf2f7a06ead437bedd00797489a88196108c93037d57f8d26c2db825cdb5ebbd6a7d5e7167f1313c2f597c6ea5c007b8aa581bee64cb9ea

Download Submit
C:\ProgramData\amd64_microsoft-windows-directui.resources_31bf3856ad364e35_10.0.14393.0_es-es_9b6c370efcbc69d4\mmcbase.exe

Filesize
1.2MB

MD5
597f6110fa73a2bad89341afed59cd97

SHA1
f17fe429934d5f23219aa3fda89e078efbd9daf1

SHA256
49fc3ac3e2f2737dfac36b8daca0e77d842e4909cec5f5aad4c56667c0303b51

SHA512
606b1a3d1b21635a1bf2f7a06ead437bedd00797489a88196108c93037d57f8d26c2db825cdb5ebbd6a7d5e7167f1313c2f597c6ea5c007b8aa581bee64cb9ea

Download Submit