expiro | 816be7b8bc51e5a95da04327d57a2c10b09f37cded9a40fb2bfb426cd38b0179

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 16:43

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General

Target

JaffaCakes118_7abb14806e5a0587d908509f72c3173b.exe
Size

549KB
MD5

7abb14806e5a0587d908509f72c3173b
SHA1

01e032c4f802b441ad323800ddd325a093f2a3ed
SHA256

816be7b8bc51e5a95da04327d57a2c10b09f37cded9a40fb2bfb426cd38b0179
SHA512

89275f2902dd50bf98e36a4250b4228f23dcb72046d8f35787222f0fb30dc4c32ec4d92e26b57997e3828f4cbffcbbd5b61e63ed62012516d0620448da0b69d2
SSDEEP

12288:YB3HkCn97oK5hBiAIhJmTml4OODi+pcVtVtxn:23HkC90ABlI+mCOOz6Lxn

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/2228-2-0x0000000001000000-0x00000000011B5000-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_7abb14806e5a0587d908509f72c3173b.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7abb14806e5a0587d908509f72c3173b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7abb14806e5a0587d908509f72c3173b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2228

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/2228-0-0x0000000001000000-0x00000000011B5000-memory.dmp

Filesize
1.7MB

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memory/2228-1-0x0000000001006000-0x0000000001007000-memory.dmp

Filesize
4KB

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memory/2228-2-0x0000000001000000-0x00000000011B5000-memory.dmp

Filesize
1.7MB

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