expiro | c85182d845f5c7144a20df12d72d471436f880203c8c2e0ab4b67c0884461985

Analysis

max time kernel
91s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 10:50

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General

Target

JaffaCakes118_6c1a3ddfda2190d55c5bdd952aa44248.exe
Size

536KB
MD5

6c1a3ddfda2190d55c5bdd952aa44248
SHA1

9b2c02e868526235554788bcac2ec57a18034ca7
SHA256

c85182d845f5c7144a20df12d72d471436f880203c8c2e0ab4b67c0884461985
SHA512

146d6380f694731dd9989dae93c2063c881eb390a72c9ef960624237fa6a927d88ed9ac683febd57007a361cfa053e542e42c8cd559894753f48282f9bb6f9ac
SSDEEP

12288:6ZHnJqrKLrUZOMY1Z5dVLrdZ2l1O+HZyKoMJ8xlMAqHUlCOW/:sHXrUUMY1Z5dVLrdZ2DO+HgRa8xlMAqi

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/4188-2-0x0000000000400000-0x000000000059E000-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_6c1a3ddfda2190d55c5bdd952aa44248.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c1a3ddfda2190d55c5bdd952aa44248.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c1a3ddfda2190d55c5bdd952aa44248.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4188

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/4188-0-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/4188-1-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/4188-2-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

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