8ba088aa669da0eeb2aad5d0cb9cad173b290a6937c495c2ba5192db91ed87d8

General

Target

8ba088aa669da0eeb2aad5d0cb9cad173b290a6937c495c2ba5192db91ed87d8.xls
Size

85KB
MD5

64c1d30a68ecf97fcac48bc4cee3320a
SHA1

3be07460a46e5fda70e1dd1892438cb98620479d
SHA256

8ba088aa669da0eeb2aad5d0cb9cad173b290a6937c495c2ba5192db91ed87d8
SHA512

26a96ce360198173137ac79afe8c34da2cf850d30b1c61a3462bcb12c67dc7217eff1004969a2a0681612d8a2c9a5350455750f3c40163b820009d7693e9bf37
SSDEEP

1536:alJsK0WVbrzQ7ITkU8N67OA23DIhY7nJdJoOd7cJiXwgZ0:YstWVbrzQ7ITkn02AJiXwg0

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1908	808	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1644	808	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1588	808	cmd.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\B1965E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

808 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\B1965E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 808 wrote to memory of 1908	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1908	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1644	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1644	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1588	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1588	808	EXCEL.EXE	cmd.exe
PID 1908 wrote to memory of 4600	1908	cmd.exe	attrib.exe
PID 1908 wrote to memory of 4600	1908	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4600 attrib.exe

pid	process
4600	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8ba088aa669da0eeb2aad5d0cb9cad173b290a6937c495c2ba5192db91ed87d8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4600

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:1644

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:1588

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/808-144-0x0000027F150F5000-0x0000027F150F7000-memory.dmp

Filesize
8KB

Download
memory/808-136-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-149-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-135-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-148-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-137-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/808-138-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/808-147-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-134-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-133-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-146-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/808-143-0x0000027F150F5000-0x0000027F150F7000-memory.dmp

Filesize
8KB

Download
memory/808-132-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/1588-141-0x0000000000000000-mapping.dmp

Download
memory/1644-140-0x0000000000000000-mapping.dmp

Download
memory/1908-139-0x0000000000000000-mapping.dmp

Download
memory/4600-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads