expiro | 0c49cb7a467103f66737f32347913504138f389963428d45cb66d1cfde4bd329

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-02-2025 05:12

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General

Target

JaffaCakes118_1072c2f609750349431ef02747285c58.exe
Size

464KB
MD5

1072c2f609750349431ef02747285c58
SHA1

7a7cb290c5a98c773bbf0fcc62d231fb22d01c45
SHA256

0c49cb7a467103f66737f32347913504138f389963428d45cb66d1cfde4bd329
SHA512

777bdc52d0116d36bd102b04d94244666f9724d8a9b791565735785a0d214d9ae3c5e79404c2c6c44b9ea2488d5746be9cf140cda95b520dab93dc3b861adc68
SSDEEP

6144:MvVXmy0ATtC5IhfOt4ctDQtRSqT6aWw3lP+0:M9my0C+QwDQHSk

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
behavioral1/memory/1836-2-0x0000000001000000-0x00000000010C0000-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_1072c2f609750349431ef02747285c58.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1072c2f609750349431ef02747285c58.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1072c2f609750349431ef02747285c58.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1836

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/1836-0-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

Download
memory/1836-1-0x0000000001012000-0x0000000001013000-memory.dmp

Filesize
4KB

Download
memory/1836-2-0x0000000001000000-0x00000000010C0000-memory.dmp

Filesize
768KB

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