expiro | 18d194c643fd462d8cbdf533020bc7f94a04452fd290c81cf1ae73f9b0177f47

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 10:29

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General

Target

JaffaCakes118_2abba488f7a377533826cf4455597622.exe
Size

392KB
MD5

2abba488f7a377533826cf4455597622
SHA1

a23bad391d614a5d8e0d39278afc1b2764d0f285
SHA256

18d194c643fd462d8cbdf533020bc7f94a04452fd290c81cf1ae73f9b0177f47
SHA512

5b14015bb44999bd4e51503bead7077badeeeec9c9eb7b38b30eee2fc5cfba3d6deecd291b8b4d230b3e9148d0a47aa01465e3338ab526dfefc189cf2d306d5e
SSDEEP

12288:XLlB+ihkpHmqBZN0wL3InaHbw3AAwyg8HX7Al:X+ihylDHGvg832

Score

10^/10

expiro backdoor discovery

Malware Config

Signatures

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

Expiro payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/memory/4412-2-0x0000000001000000-0x00000000010B2000-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	JaffaCakes118_2abba488f7a377533826cf4455597622.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2abba488f7a377533826cf4455597622.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2abba488f7a377533826cf4455597622.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4412

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

Replay Monitor

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Downloads

memory/4412-0-0x0000000001000000-0x00000000010B2000-memory.dmp

Filesize
712KB

Download
memory/4412-1-0x0000000001014000-0x0000000001015000-memory.dmp

Filesize
4KB

Download
memory/4412-2-0x0000000001000000-0x00000000010B2000-memory.dmp

Filesize
712KB

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