37be65afd0a78c66d9e4957443c84ea013a6971c521175fd9c698fa16409d9ca

Analysis

max time kernel
152s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 09:32

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General

Target

37be65afd0a78c66d9e4957443c84ea013a6971c521175fd9c698fa16409d9ca.xls
Size

826KB
MD5

42ab5657763256ec9edb0610deac2938
SHA1

1a9dae387f57bc924e52515965c84920bee2fbfc
SHA256

37be65afd0a78c66d9e4957443c84ea013a6971c521175fd9c698fa16409d9ca
SHA512

17762ffe7c7e2da720efdf0924adc9c5250f18e3002b5cc5e1e8db0952f6aa0d89cc22fdb2a7efcd54ff201c1bba17e7ee6dfdb6ad47d8bcbc6d45999651ef1f
SSDEEP

6144:5k3hOdsylKlgryzc4bNhZF+E+W2kQCAH8SD4HW44KwACfnVIGI70:tCCD

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

WScript.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4504	2952	WScript.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

WScript.exe

flow pid process

44 4504 WScript.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
44	4504	WScript.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

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

2952 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE
2952	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 2952 wrote to memory of 4504 2952 EXCEL.EXE WScript.exe
PID 2952 wrote to memory of 4504 2952 EXCEL.EXE WScript.exe

description	pid	process	target process
PID 2952 wrote to memory of 4504	2952	EXCEL.EXE	WScript.exe
PID 2952 wrote to memory of 4504	2952	EXCEL.EXE	WScript.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\37be65afd0a78c66d9e4957443c84ea013a6971c521175fd9c698fa16409d9ca.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\load.txtpin.jse"
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:4504

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Documents\load.txtpin.jse
Filesize
773KB

MD5
4398e68cbe6d058d60bcafb87a543d7a

SHA1
f649a164561348dde829c23806f16d7ad55966f0

SHA256
a295eaf45edfa37886a49288fc06af0fbd2cf1a41b98a0b0d55beb1e7cc3aff7

SHA512
9292c8a3292e155aaab0f2d9a4681174082c8e6fb71d2621d55b71366331091419233ac1405bac3bf0c93362b224f0b63416353f3d906b57ad6493ecf9fb2838

Download Submit
memory/2952-132-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/2952-133-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/2952-134-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/2952-135-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/2952-136-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/2952-137-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/2952-138-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/2952-139-0x0000026707070000-0x0000026707074000-memory.dmp

Filesize
16KB

Download
memory/4504-140-0x0000000000000000-mapping.dmp

Download