634ee891ce2d174fcea605f3549585d13afa2be77a7b1634a1a3637aae2a6cf5

Analysis

max time kernel
98s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2023 01:00

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General

Target

f8f36bc29327d52d324ff8d2b7f332d0e00f1991e96406aae74ded560631cc99.xls
Size

1.2MB
MD5

18c55c7221e979c7dfd36a8fbb9e7b81
SHA1

169c0f765fde44cddb8eca882b0b6a15e7f70536
SHA256

f8f36bc29327d52d324ff8d2b7f332d0e00f1991e96406aae74ded560631cc99
SHA512

fb4692390470a50598d72c95f844dce1715ab6c9a630682883756c9e66baf53d84ed41ff423f228644d738ac4405c61aed14006cba27f66d40f36e13ac79ed8d
SSDEEP

24576:SLKfBftHlxFWQmmav30xoBb7tHlx/WQmmav30xA6Ff0BPwkDvG8ffqRv57:SLKfn7EQmmQ30S9N7uQmmQ30K6B2PwkE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3096	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3096	EXCEL.EXE
3096	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	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\f8f36bc29327d52d324ff8d2b7f332d0e00f1991e96406aae74ded560631cc99.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3096

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\4489A7CB.emf

Filesize
34KB

MD5
4da86984b73a3de269d5c4267a993b3a

SHA1
6011a73f116538923f7f1ea9ccd42984fd6110db

SHA256
90004484d7ee2139ca1a19d575106162fa675a558ec4e255291afe0fc135c191

SHA512
fc8b66e41d54f5542947851d93f2b198978977a54eae99b78f68fa1301deea5a829726138f4e524b55c3c0dd980f826f68c29148b901fd7f7c820f254dc787c8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\4C5B8E72.emf

Filesize
577KB

MD5
d3b4e7d83da7e1ee0106a097b6dcfb96

SHA1
534c16799ce03878b5c1adcaec0544714cf328a1

SHA256
4ba2df5524662ffb116232fce68c26a39c67136f3238145b92c84ed9afb584ac

SHA512
4e6406808d18b5091c1f39d7d3cd56ea1bcd6d002bb16aa7dbe57ee8ecaf09716342df6d6a44c961c95d1441931d2f394b08ff27364968d13abdbccbaded1dd5

Download Submit
memory/3096-139-0x00007FFD3EAA0000-0x00007FFD3EAB0000-memory.dmp

Filesize
64KB

Download
memory/3096-136-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-137-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-138-0x00007FFD3EAA0000-0x00007FFD3EAB0000-memory.dmp

Filesize
64KB

Download
memory/3096-133-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-134-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-135-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-188-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-189-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-190-0x00007FFD40D10000-0x00007FFD40D20000-memory.dmp

Filesize
64KB

Download
memory/3096-191-0x00007FFD40D10000-0x00007FFD40D20000-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