5aa47f37d752f2be0e81960995899ad5a4a42cba75b045c2232942524ef6c9f6

Analysis

max time kernel
99s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2023 16:08

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General

Target

Quotation.xls
Size

838KB
MD5

f9fd49f28204d58fe67ec08c7e8a0815
SHA1

2c7d6590f7a2c6f3e545b4ef8e107416728c2bf5
SHA256

5aa47f37d752f2be0e81960995899ad5a4a42cba75b045c2232942524ef6c9f6
SHA512

d1478af4a4cc1913b5095e2fd2340cd5067020b2d4eaff85873361c43213254ce2605db49830bbc374baa316d22497a39f1eeb54318028635e9136ecf0d3aaf9
SSDEEP

24576:WXm94JPiFeOVEezjIlmwiJpg8W6d26qxwFJty:WKeidaOiVE2dwFJk

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

4960 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	EXCEL.EXE
4960	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\Quotation.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4960

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\25310F9C.emf
Filesize
34KB

MD5
6250eb535b9c82177503bea2fff16132

SHA1
a87883594145b6ba64cbf2c43abb530dafea4c27

SHA256
6e8d0925ca38b14024cba279283241519e4d869b4cc0d7ae54005d7f8a2cb25a

SHA512
34b00d61af3ca5a8b4c19b04511deeafa2abaf518735ac2ece81ceb42f323c118e6f0f12300580c89b7da5ec2142181d3a0ccf7a8e09857d0a762a3525a8e195

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\50E8DCB.emf
Filesize
508KB

MD5
a11f6df2bd90533eed3fd96c43faf4c0

SHA1
193b359102db0bf9a40b94f96f3854070e9db219

SHA256
7a3965fb392cffbc7a8aab29620558d03989cd0b214daeb14ff339c71338062a

SHA512
105f71169e98d6fb37cdf78826b141ef1f2fe5c91a45099e6a62353722f8feb701478b2da4ced2692fd7529cdf0b4402817d0c47ab82b273fb8268efed592541

Download Submit
memory/4960-139-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

Filesize
64KB

Download
memory/4960-136-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-137-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-138-0x00007FFCB3C70000-0x00007FFCB3C80000-memory.dmp

Filesize
64KB

Download
memory/4960-133-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-135-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-134-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-193-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-194-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-195-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download
memory/4960-196-0x00007FFCB6010000-0x00007FFCB6020000-memory.dmp

Filesize
64KB

Download