afc70bb7edf0dfe13fe120e7c04301af2b90e1d6fb11fac69ddbe6f000d66148

General

Target

afc70bb7edf0dfe13fe120e7c04301af2b90e1d6fb11fac69ddbe6f000d66148.xls
Size

150KB
MD5

3d0c6cdebd74c4e6d08e526da9bc8770
SHA1

898a89296fce8c5a0651c33615beffef972e2edc
SHA256

afc70bb7edf0dfe13fe120e7c04301af2b90e1d6fb11fac69ddbe6f000d66148
SHA512

4cd44354ffaee044243806094754768f8562d3e6af1ce5fb7944b342f000e8bc5241b8e75c521ebc0759e37642b90251a79f4b3a22db7b596acd73741c250ef2
SSDEEP

3072:5uy2otZwgUd1GI7gbjVoc+7Pi+UEgdrWVbrzQ7dTkDv2JtXwRcekq:8y2otZ61GIiVoc+RUL

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5008	3084	cmd.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3936	3084	cmd.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4828	3084	cmd.exe	82

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

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

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\63285E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3084	EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

pid	Process
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 5008	3084	EXCEL.EXE	100
PID 3084 wrote to memory of 5008	3084	EXCEL.EXE	100
PID 3084 wrote to memory of 4828	3084	EXCEL.EXE	105
PID 3084 wrote to memory of 4828	3084	EXCEL.EXE	105
PID 3084 wrote to memory of 3936	3084	EXCEL.EXE	103
PID 3084 wrote to memory of 3936	3084	EXCEL.EXE	103
PID 5008 wrote to memory of 3484	5008	cmd.exe	106
PID 5008 wrote to memory of 3484	5008	cmd.exe	106

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3484	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\afc70bb7edf0dfe13fe120e7c04301af2b90e1d6fb11fac69ddbe6f000d66148.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:3084
- 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:5008
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:3484
- 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:3936
- 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:4828

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3084-145-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-132-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-134-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-135-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-136-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-137-0x00007FF864080000-0x00007FF864090000-memory.dmp

Filesize
64KB

Download
memory/3084-133-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-148-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-147-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-146-0x00007FF866290000-0x00007FF8662A0000-memory.dmp

Filesize
64KB

Download
memory/3084-138-0x00007FF864080000-0x00007FF864090000-memory.dmp

Filesize
64KB

Download
memory/3084-143-0x000002D7BE8E0000-0x000002D7BE8E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads