expiro | 53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 07:38

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General

Target

53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22N.exe
Size

727KB
MD5

a767ef2b24d69228b80a3c5df71ec6f0
SHA1

3d850810c2e8bfad729fa50222d7b27e53ff4638
SHA256

53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22
SHA512

e0f9fdcb5e6274b500db0a1fb7ded075201686222130422c21a7a000629f5aef3c2ee6b5f050640afc5ec574bad3c8de3e791cf2d145e1fe709e9a7a898fa251
SSDEEP

12288:VxLVMsCpn5K6h6Ld4/itzN0zRFmDVusm+yBqYy7vcaO:VxLYi6hK+i/0zMVusm+yBqp

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/3544-2-0x0000000001000000-0x00000000011D0000-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	53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22N.exe

C:\Users\Admin\AppData\Local\Temp\53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22N.exe
"C:\Users\Admin\AppData\Local\Temp\53a74e018c68d6ee62591e1adcc3533384751f1224c7c1a1b3eaf5aa90c45e22N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3544

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/3544-0-0x0000000001000000-0x00000000011D0000-memory.dmp

Filesize
1.8MB

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memory/3544-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

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memory/3544-2-0x0000000001000000-0x00000000011D0000-memory.dmp

Filesize
1.8MB

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