expiro | b33dc09ffab5de62283ee38a919286d3d454f25909951bb592d0bb44f9445207

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 19:22

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General

Target

14a28bfdb3d235b371538cd02a9637ac_JaffaCakes118.exe
Size

181KB
MD5

14a28bfdb3d235b371538cd02a9637ac
SHA1

383c2a2e653a7f1759d3ba2a5a9666862d03ef2f
SHA256

b33dc09ffab5de62283ee38a919286d3d454f25909951bb592d0bb44f9445207
SHA512

d14775c1a203edee644ee4dc733ef8d83f2b99fc572c4bf0acd23bb0a45229bd209db716bd123e6b641ecbcd958b1bc35148359d00f31e8f5d508a159a38de6a
SSDEEP

3072:R/iTVZ6xJtKHPuUN2qR5oAKmhFI+7LytNKE6knXG79HhDd3V6m04O9MOhNIxk6Eu:Bepvu20B2QNXVGhddBAMc6xk6

Score

10^/10

expiro backdoor discovery

Malware Config

Signatures

Expiro, m0yv
Expiro aka m0yv is a multi-functional backdoor written in C++.
backdoor expiro

Expiro payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/memory/1488-2-0x0000000001000000-0x000000000107A000-memory.dmp	family_expiro1

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14a28bfdb3d235b371538cd02a9637ac_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\14a28bfdb3d235b371538cd02a9637ac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\14a28bfdb3d235b371538cd02a9637ac_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1488-0-0x0000000001000000-0x000000000107A000-memory.dmp

Filesize
488KB

Download
memory/1488-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

Download
memory/1488-2-0x0000000001000000-0x000000000107A000-memory.dmp

Filesize
488KB

Download