e3462d258f0247f1db6b618620f570208c9fafbfdf79aa51358ad140a4adbf84

Analysis

max time kernel
136s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 01:16

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General

Target

b9cb5b440d5d408e27c4685f50c5aa17_JaffaCakes118.xls
Size

258KB
MD5

b9cb5b440d5d408e27c4685f50c5aa17
SHA1

19a2a767171cb7c6609f150e8c86456fa2bba9ec
SHA256

e3462d258f0247f1db6b618620f570208c9fafbfdf79aa51358ad140a4adbf84
SHA512

472db388bebf745cc30f41196a81c2b6a93f6845ec6b07170515cff8d81a2e6007639bcf725b29698f96033738961b4ba70abf395fcf9c2d0dc57e0daf4edd3a
SSDEEP

6144:Jk3hbdlylKsgqopeJBWhZFVE+W2NdANWIIrepCVs1jrRex1CbDR1exbn:0jepC0jFevaRspn

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ochko123.net/xls_c.php

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1844	4212	rundll32.exe	83

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
4212	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE
4212	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 1844	4212	EXCEL.EXE	87
PID 4212 wrote to memory of 1844	4212	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b9cb5b440d5d408e27c4685f50c5aa17_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\VumitLa\vjsQLoq\iJUOgdz.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
e9b79546cdc58286ac0d91f8653113fc

SHA1
5bc64f571113459bb787f03f1bdef027d77a7a49

SHA256
7a023fa7145fcb689a7eef79aa5c05414d8043fc6b5641181e5126a0d5f8e8d9

SHA512
c96e3fbb27d0d022d3a83769b7c355ea8e77d43510b323bc1f89272ba6dd3c4d9ee04d9ff9b502893096f613f5961daaca7297a59178cd34a633374ec2edfde3

Download Submit
memory/4212-8-0x00007FFB20B80000-0x00007FFB20B90000-memory.dmp

Filesize
64KB

Download
memory/4212-7-0x00007FFB63070000-0x00007FFB63265000-memory.dmp

Filesize
2.0MB

Download
memory/4212-5-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-3-0x00007FFB6310D000-0x00007FFB6310E000-memory.dmp

Filesize
4KB

Download
memory/4212-9-0x00007FFB20B80000-0x00007FFB20B90000-memory.dmp

Filesize
64KB

Download
memory/4212-6-0x00007FFB63070000-0x00007FFB63265000-memory.dmp

Filesize
2.0MB

Download
memory/4212-4-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-1-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-0-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-19-0x00007FFB63070000-0x00007FFB63265000-memory.dmp

Filesize
2.0MB

Download
memory/4212-2-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-44-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-43-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-46-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-45-0x00007FFB230F0000-0x00007FFB23100000-memory.dmp

Filesize
64KB

Download
memory/4212-47-0x00007FFB63070000-0x00007FFB63265000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads