expiro | 5f361804af8d5b0397b2471b95efa8fa987955698ea2e0dee9f3635afe6a0f47

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 11:07

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General

Target

JaffaCakes118_6c3021337032078bc6dc33e5309a2bac.exe
Size

577KB
MD5

6c3021337032078bc6dc33e5309a2bac
SHA1

ba7244c207b3bd289ae6e9f7c26d2a203813e917
SHA256

5f361804af8d5b0397b2471b95efa8fa987955698ea2e0dee9f3635afe6a0f47
SHA512

b235c861837d98f8ffd6c190da4012c2ebb0323a4d21d0972149bd9f1ca504a993e0e87218a5e807d134f924a989390d442fd6b465da1cce58a4e73907256a6b
SSDEEP

12288:H9/5nKPFeLIwMHyftPI5JqzHkoOAul9M1vxcPVw5GUvrEu7mZ78MpmMg:Hh5nKPF4I8A5alul9M1WyGUvb7mZ7

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/2532-2-0x0000000001000000-0x00000000011D8000-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_6c3021337032078bc6dc33e5309a2bac.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c3021337032078bc6dc33e5309a2bac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c3021337032078bc6dc33e5309a2bac.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2532

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/2532-0-0x0000000001000000-0x00000000011D8000-memory.dmp

Filesize
1.8MB

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memory/2532-1-0x0000000001012000-0x0000000001013000-memory.dmp

Filesize
4KB

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memory/2532-2-0x0000000001000000-0x00000000011D8000-memory.dmp

Filesize
1.8MB

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