expiro | 269cd6e3ffb42bbffc79555f7ed27407da985b7f3f923794707a3d6714362af4

Analysis

max time kernel
92s
max time network
146s
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 05:36

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General

Target

JaffaCakes118_77ef1315df20abc61b0c9918984dd949.exe
Size

569KB
MD5

77ef1315df20abc61b0c9918984dd949
SHA1

7866c76ccb4dc7cb10609bbb60e430edcd79805c
SHA256

269cd6e3ffb42bbffc79555f7ed27407da985b7f3f923794707a3d6714362af4
SHA512

39b81d2922313759b053054ee56674f6ecbae2a5a4e9951cce5075aa1b80fa29fcf2b694e2e348db1b4d5133f8b993fcfbe4e5c54e1204f405b38912e41cbd41
SSDEEP

12288:4qs7UXthSUboyhWMjbJ8t85maXqdfkQsEYJ14oR1KDQzUqnEy/YFhsPhKsjAlU0s:4qs0qycHd5apHgrJrk

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/448-2-0x0000000001000000-0x00000000011B3000-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_77ef1315df20abc61b0c9918984dd949.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ef1315df20abc61b0c9918984dd949.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ef1315df20abc61b0c9918984dd949.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:448

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/448-0-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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memory/448-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

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memory/448-2-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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