bdc519de193ec9595ac30d2bf4fc79db8124fbcf9f429ec18901efd2841e22c3

General

Target

bdc519de193ec9595ac30d2bf4fc79db8124fbcf9f429ec18901efd2841e22c3.xls
Size

123KB
MD5

8e491d585c571464024687188adaa698
SHA1

d9e455251beb40c2515a1f84f21b2ad55d403e17
SHA256

bdc519de193ec9595ac30d2bf4fc79db8124fbcf9f429ec18901efd2841e22c3
SHA512

be992ad2a2eb163bb256e1b06a7ff4c28b1e7c761473bae320d0e601ddfb8c4609a49e9e031a7c23e03f3a3c1b7d940d2ec3d9889abba8dbc55884d146658b27
SSDEEP

3072:I/Z+RwPONXoRjDhIcp0fDlaGGx+cL26nnTWVbl9zQ7ITk9j2AJtXw7mE/YcC4:EZ+RwPONXoRjDhIcp0fDlavx+W26nnK7

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	4488	1108	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4564	1108	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	60	1108	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\C0C75E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1108 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\C0C75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE
1108	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1108 wrote to memory of 4488	1108	EXCEL.EXE	cmd.exe
PID 1108 wrote to memory of 4488	1108	EXCEL.EXE	cmd.exe
PID 1108 wrote to memory of 4564	1108	EXCEL.EXE	cmd.exe
PID 1108 wrote to memory of 4564	1108	EXCEL.EXE	cmd.exe
PID 1108 wrote to memory of 60	1108	EXCEL.EXE	cmd.exe
PID 1108 wrote to memory of 60	1108	EXCEL.EXE	cmd.exe
PID 4488 wrote to memory of 800	4488	cmd.exe	attrib.exe
PID 4488 wrote to memory of 800	4488	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

800 attrib.exe

pid	process
800	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\bdc519de193ec9595ac30d2bf4fc79db8124fbcf9f429ec18901efd2841e22c3.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:1108

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:4488

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:800

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:4564

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:60

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

Loading Replay Monitor...

Downloads

memory/60-141-0x0000000000000000-mapping.dmp

Download
memory/800-142-0x0000000000000000-mapping.dmp

Download
memory/1108-144-0x000001A1D23B0000-0x000001A1D23B2000-memory.dmp

Filesize
8KB

Download
memory/1108-134-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-136-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-137-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download
memory/1108-138-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download
memory/1108-149-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-148-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-135-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-133-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-143-0x000001A1D23B0000-0x000001A1D23B2000-memory.dmp

Filesize
8KB

Download
memory/1108-132-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-146-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/1108-147-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4488-139-0x0000000000000000-mapping.dmp

Download
memory/4564-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads