9fb275cabb54bc69196506e9716bffee37f12d5c530aeaae0f033a43ce662445

Analysis

max time kernel
139s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
02-03-2021 11:25

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General

Target

10008351 28.12.2020.xlsm
Size

51KB
MD5

f77ade3f87e59d6a6c6d97c7e84ab944
SHA1

ac1403a9c425a7bf688c46b69e203da75fc90548
SHA256

9fb275cabb54bc69196506e9716bffee37f12d5c530aeaae0f033a43ce662445
SHA512

6bba13e40a956e09adad18eba9dd2874983217fc08ff719e7f0602c6dfaad3f4e88cd9245bc25dbbc5389154b876636bacbcb562a682254907d20d577bf5c5bb

Score

1^/10

Malware Config

Signatures

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3928 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE
3928	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3928 wrote to memory of 3724	3928	EXCEL.EXE	splwow64.exe
PID 3928 wrote to memory of 3724	3928	EXCEL.EXE	splwow64.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\10008351 28.12.2020.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3724-7-0x0000000000000000-mapping.dmp

Download
memory/3724-8-0x0000000002F40000-0x0000000003041000-memory.dmp

Filesize
1.0MB

Download
memory/3724-9-0x00000000012F0000-0x00000000012F1000-memory.dmp

Filesize
4KB

Download
memory/3928-2-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

Filesize
64KB

Download
memory/3928-3-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

Filesize
64KB

Download
memory/3928-4-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

Filesize
64KB

Download
memory/3928-5-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

Filesize
64KB

Download
memory/3928-6-0x00007FF8E8EA0000-0x00007FF8E94D7000-memory.dmp

Filesize
6.2MB

Download