expiro | f5f328a7e1ea7f5938656867cf08fc82523b067b2a7325aec1e312b557ce9abf

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 00:35

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General

Target

JaffaCakes118_619668f892aa0a65faf4058f4e5cf530.exe
Size

633KB
MD5

619668f892aa0a65faf4058f4e5cf530
SHA1

2519f12cfc6b11740e11b24b8434aef6c59e7e8e
SHA256

f5f328a7e1ea7f5938656867cf08fc82523b067b2a7325aec1e312b557ce9abf
SHA512

7ab7e3eff673e67daa594ffacd5a992431584cccb61627d455c4fa33166523f0c5f861acbd05e11a7c9b836eb2c1ec62029afcd2a13dd50ef1754c8f9d434593
SSDEEP

12288:dh5xdieS5DIVRjv5IYsodRaaWF4cA2ZjN5CH0janJiwTVIJaacd3AWm:dh7nO8Rj3aaGS0uvw

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/2500-2-0x0000000010000000-0x000000001025F000-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_619668f892aa0a65faf4058f4e5cf530.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_619668f892aa0a65faf4058f4e5cf530.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_619668f892aa0a65faf4058f4e5cf530.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2500

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/2500-0-0x0000000010000000-0x000000001025F000-memory.dmp

Filesize
2.4MB

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memory/2500-1-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

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memory/2500-2-0x0000000010000000-0x000000001025F000-memory.dmp

Filesize
2.4MB

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