c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7

General

Target

c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7.xls
Size

163KB
MD5

4ccdd474fd3cda73be1b15771aed0304
SHA1

6c4d45cbee900ad862ab4cb09ea6244f99137715
SHA256

c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7
SHA512

8a1a6b792eb45c1c8dabd6d50056b5b7e97dc3d1c8ebc48cb51215f8af822c2a96f5d6c739e5d11e5fdffe52404add5664b097f9f99484e50b4a7c187021a0ca
SSDEEP

3072:syh/sKqt53Nj54ygN0kAtPHS2jcc0lbxOrgPqJtXwwg:xhzqADAtPHCE

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	3932	4732	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3296	4732	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3636	4732	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\3E375E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4732 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\3E375E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE
4732	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4732 wrote to memory of 3932	4732	EXCEL.EXE	cmd.exe
PID 4732 wrote to memory of 3932	4732	EXCEL.EXE	cmd.exe
PID 4732 wrote to memory of 3296	4732	EXCEL.EXE	cmd.exe
PID 4732 wrote to memory of 3296	4732	EXCEL.EXE	cmd.exe
PID 4732 wrote to memory of 3636	4732	EXCEL.EXE	cmd.exe
PID 4732 wrote to memory of 3636	4732	EXCEL.EXE	cmd.exe
PID 3932 wrote to memory of 3528	3932	cmd.exe	attrib.exe
PID 3932 wrote to memory of 3528	3932	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3528 attrib.exe

pid	process
3528	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\c2a0602f7ca3e9ee29540192a9cf21606b0f0115a32b594f420cb0ba3e1692d7.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:4732

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:3932

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3528

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:3296

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:3636

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/3296-140-0x0000000000000000-mapping.dmp

Download
memory/3528-142-0x0000000000000000-mapping.dmp

Download
memory/3636-141-0x0000000000000000-mapping.dmp

Download
memory/3932-139-0x0000000000000000-mapping.dmp

Download
memory/4732-136-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-137-0x00007FFD79940000-0x00007FFD79950000-memory.dmp

Filesize
64KB

Download
memory/4732-138-0x00007FFD79940000-0x00007FFD79950000-memory.dmp

Filesize
64KB

Download
memory/4732-132-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-135-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-133-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-134-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-143-0x00000210ACF24000-0x00000210ACF26000-memory.dmp

Filesize
8KB

Download
memory/4732-144-0x00000210ACF24000-0x00000210ACF26000-memory.dmp

Filesize
8KB

Download
memory/4732-146-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-147-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-148-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/4732-149-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads