dfb75215e1d8a58d0daa685abba7dd08a979e2a86944b01bbac06e32bb905e29

Analysis

max time kernel
135s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 01:26

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General

Target

53f32eb1e2023b9346427d2111b0e4ac33ff4592384a1f0dae3dd5fc90dc4b2c.xls
Size

1.0MB
MD5

625c489b71a4a7b7dc61dc3121368f02
SHA1

a36ef17d7c854bd238b6113148b8ec11f54286d7
SHA256

53f32eb1e2023b9346427d2111b0e4ac33ff4592384a1f0dae3dd5fc90dc4b2c
SHA512

93a0dd13791b1ab3db705c6f74ea820c120a95ae041a6186474c16b19fe1c6d44d0b9ef7a816a47f71c82847b5f7941af88eb1b964dba513fc89c9eb800e2240
SSDEEP

24576:lLKiSSMMednE8akAmmjmRakAmmjmw+MXUlHeA2222222222222222222222K2D0z:lLK2Mnaaoeaaoz+MX7TZVAw

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 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

Processes:

EXCEL.EXE

pid process

1320 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\53f32eb1e2023b9346427d2111b0e4ac33ff4592384a1f0dae3dd5fc90dc4b2c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\7B0DA438.emf
Filesize
1.4MB

MD5
5c65827565e89d5357d6f81294701c19

SHA1
600aa1899bdc58d12671774e84033366dc931c04

SHA256
dec6f35ceb48260f3ba4e6487c48d3f97b274f2eff29cab00c2c7e677eef4b4f

SHA512
052c177c606d30f4f3b658f60bb3643fffec498cc8fa931b4380aa6b93ac20fa9ef4600645740e99ba2f6d43e333fe783378d14395132819d6fb44787aad196a

Download Submit
memory/1320-133-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-135-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-134-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-136-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-137-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-138-0x00007FF887750000-0x00007FF887760000-memory.dmp

Filesize
64KB

Download
memory/1320-139-0x00007FF887750000-0x00007FF887760000-memory.dmp

Filesize
64KB

Download
memory/1320-176-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-177-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-178-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download
memory/1320-179-0x00007FF88A0B0000-0x00007FF88A0C0000-memory.dmp

Filesize
64KB

Download