expiro | 38de7c318d739027e502929d6473d6ae077265be16b862071c4e7fce052670ba

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2025 01:04

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General

Target

JaffaCakes118_08bc169862e25d72417602b8faf125b8.exe
Size

322KB
MD5

08bc169862e25d72417602b8faf125b8
SHA1

6a1c7fc415c4d72d769e47cb987fbac0e240ecdd
SHA256

38de7c318d739027e502929d6473d6ae077265be16b862071c4e7fce052670ba
SHA512

fea046b775e66ff1efd7bc3e8ce200d4d7f078bca2033df281ef16aca1477053df9b143c10ceaa51a47823453eb757c26d480863713215bb46b4e6b76e8c683d
SSDEEP

6144:mDQ1VY7yScIRouWgi/LDZqx+1bYCB4Wf0qK/iiv0RGDr5i0PziInI3:mDQ1nScI+uWd/LD8xif4Jiiv0RGDr5i4

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/3616-2-0x0000000001000000-0x000000000109F000-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_08bc169862e25d72417602b8faf125b8.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08bc169862e25d72417602b8faf125b8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08bc169862e25d72417602b8faf125b8.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3616

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/3616-0-0x0000000001000000-0x000000000109F000-memory.dmp

Filesize
636KB

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memory/3616-1-0x0000000001019000-0x000000000101A000-memory.dmp

Filesize
4KB

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memory/3616-2-0x0000000001000000-0x000000000109F000-memory.dmp

Filesize
636KB

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