cf19804e81842106739482f5559a78313c8fa2792c33bff9c45d1fcda39b343d

Analysis

max time kernel
126s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
29/06/2023, 07:02

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General

Target

PI.xls
Size

209KB
MD5

f05456c642ed8065b6d0adf7cb8f9106
SHA1

f3f1aeec84c721cb36e114a8094584307054a746
SHA256

cf19804e81842106739482f5559a78313c8fa2792c33bff9c45d1fcda39b343d
SHA512

4219e5de92615bd6d786e51c4f403e363889a35918bc2bf3fa72fc6ef892fb11ba14ff8aa2ee7f49a3f9224687af02fd6c2db31b763d30b06e4317d7c64219f7
SSDEEP

6144:G6Z+RwPONXoRjDhIcp0fDlavx+W26nAWqvBhBi0pnRrk5jMVWltEg0S:GxvZi4rkKVWlOZS

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A8A4CCE1-4FF9-49CA-A4BB-363AB181FF3E}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{79EC895C-094A-4DDD-9044-8EA662AB4F42}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4CA11D2D-AB9A-469F-9A4F-93DED3F59C4C}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DE8E574D-15E0-41F2-8BCE-FE2629D83C2D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{49DC6122-C0F6-4FEB-9EF1-E4DDCF7ECE45}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DCFE73C4-CAB5-4486-A4DE-71EF199A218D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{361C721F-AF02-47E5-A528-201AFF603F0F}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2371E042-B03C-45EA-B0DD-D1EA18DD692C}.catalogItem	svchost.exe

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
2776	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2776	EXCEL.EXE
2776	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	EXCEL.EXE
2776	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\PI.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:660

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/2776-133-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-134-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-135-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-136-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-137-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-138-0x00007FF9687C0000-0x00007FF9687D0000-memory.dmp

Filesize
64KB

Download
memory/2776-139-0x00007FF9687C0000-0x00007FF9687D0000-memory.dmp

Filesize
64KB

Download
memory/2776-166-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-167-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-168-0x00007FF96AF30000-0x00007FF96AF40000-memory.dmp

Filesize
64KB

Download
memory/2776-169-0x00007FF96AF30000-0x00007FF96AF40000-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