9d3de7c30d9d99621f42e1c538ac87ddca462f64cb7f177bda3cb7e5c1bc54b8

Analysis

max time kernel
103s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2022, 09:10

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General

Target

9d3de7c30d9d99621f42e1c538ac87ddca462f64cb7f177bda3cb7e5c1bc54b8.xls
Size

3.6MB
MD5

aa4698ebb548a741042a8682f7f5033c
SHA1

f5e2212b7300d2ffa7057e81bbcb4621424a45c7
SHA256

9d3de7c30d9d99621f42e1c538ac87ddca462f64cb7f177bda3cb7e5c1bc54b8
SHA512

ef2d52b7706678453ca8ca06f0997c41ba51be326e90c0b8b0717c38c3679e470cf77c58cc5d292f9fb8069297ef30ff21f621a2251d06b161a4499e0ebcd574
SSDEEP

49152:X6HW7Ptn5IS+LVr6pG1hhliREs4+r/FlQmlbBkmsTFakAYung:X6HW7159+56c1RiREs4FTFJAYu

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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4764	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE
4764	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 3796	4764	EXCEL.EXE	90
PID 4764 wrote to memory of 3796	4764	EXCEL.EXE	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\9d3de7c30d9d99621f42e1c538ac87ddca462f64cb7f177bda3cb7e5c1bc54b8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3796

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4288

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/4764-132-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-133-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-134-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-135-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-136-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-137-0x00007FF8C9610000-0x00007FF8C9620000-memory.dmp

Filesize
64KB

Download
memory/4764-138-0x00007FF8C9610000-0x00007FF8C9620000-memory.dmp

Filesize
64KB

Download
memory/4764-141-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-142-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-143-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download
memory/4764-144-0x00007FF8CB670000-0x00007FF8CB680000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads