dc81b5b7a452a87fb69375b84afaeebd797411b314f5c8422dfa0d180226b354

Analysis

max time kernel
101s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 06:17

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General

Target

DHL Invoice JEDR001193478.xls
Size

1.3MB
MD5

fda7cc3767b509751d3c14700c9bbf66
SHA1

3f2a9ae3c98ab30f27a37e6515de4475471812f9
SHA256

dc81b5b7a452a87fb69375b84afaeebd797411b314f5c8422dfa0d180226b354
SHA512

b7476ae3fb8072cf33b2a0686febec558e5b40794c5a8d1462f6cefbacafd6170a177299840b2e02e1ae349ff068191c286333ddeb2ddac659d0c66ac2a5a7b2
SSDEEP

24576:ILKWSSMMednEhakAmmjmCakAmmjmt+MXUjakAmmjmT+MXUYP+222222222222228:ILKaMCaaoxaaoa+MXoaao4+MXC01tc

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

4784 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4784 EXCEL.EXE
4784 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	EXCEL.EXE
4784	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\DHL Invoice JEDR001193478.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4784

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\A6ED1566.emf
Filesize
1.4MB

MD5
5c65827565e89d5357d6f81294701c19

SHA1
600aa1899bdc58d12671774e84033366dc931c04

SHA256
dec6f35ceb48260f3ba4e6487c48d3f97b274f2eff29cab00c2c7e677eef4b4f

SHA512
052c177c606d30f4f3b658f60bb3643fffec498cc8fa931b4380aa6b93ac20fa9ef4600645740e99ba2f6d43e333fe783378d14395132819d6fb44787aad196a

Download Submit
memory/4784-133-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-135-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-134-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-136-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-137-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-138-0x00007FFCD79B0000-0x00007FFCD79C0000-memory.dmp

Filesize
64KB

Download
memory/4784-139-0x00007FFCD79B0000-0x00007FFCD79C0000-memory.dmp

Filesize
64KB

Download
memory/4784-179-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-180-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-181-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download
memory/4784-182-0x00007FFCD9FF0000-0x00007FFCDA000000-memory.dmp

Filesize
64KB

Download