expiro | 3a2efd2e8393967a495d6a97eb35c7594e9c5099ebc528fe7ac5ad91d524fb80

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 12:58

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General

Target

JaffaCakes118_04afe2a91e10a4b3fa8ca78c6af28b9d.exe
Size

235KB
MD5

04afe2a91e10a4b3fa8ca78c6af28b9d
SHA1

4fc8cd8171cc869b67fb79649cd33ae464a71f79
SHA256

3a2efd2e8393967a495d6a97eb35c7594e9c5099ebc528fe7ac5ad91d524fb80
SHA512

f14d5d4038ee3500b714cf3f2037785349e0b4420aa4676bb8e783111862801146da32e5dce18f29179aca822090995f0d8d6838e9dce2c9d23f4e488942aa05
SSDEEP

6144:XDKEOK9g2Le+avOTHFL6xIZw0NUeI5eXG36hDpJI5TRK1a:zKUe+KCL6xC3rhuKzmTRKs

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/2740-2-0x0000000000400000-0x0000000000487000-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_04afe2a91e10a4b3fa8ca78c6af28b9d.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04afe2a91e10a4b3fa8ca78c6af28b9d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04afe2a91e10a4b3fa8ca78c6af28b9d.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2740

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/2740-0-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2740-1-0x000000000040C000-0x000000000040D000-memory.dmp

Filesize
4KB

Download
memory/2740-2-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download