expiro | 4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9ee

Analysis

max time kernel
29s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 23:48

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General

Target

4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9eeN.exe
Size

653KB
MD5

ae92fe757e66b493a1a6454010f75e70
SHA1

3da54e9fe79d081a64469f336e1cedea41a4d3f8
SHA256

4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9ee
SHA512

1bdaeeccc883487a926997235a4aeefa1b2fdabf95a4a1f2b67286a3a712f33476be88a9f7f52a944d1ac1f9a860bca2e46956a3e7b415d84a4382f87bc41bb6
SSDEEP

12288:0Mf7R8Bzt+MFdfeD+tG+/gCYxP+8LDYpl2St1Slantml/O:027R8Bzt+yfhJ/gCYLQrSh

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/1860-2-0x0000000001000000-0x00000000011C8000-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	4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9eeN.exe

C:\Users\Admin\AppData\Local\Temp\4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9eeN.exe
"C:\Users\Admin\AppData\Local\Temp\4202f16b441f9d35f51070a6dab68d48bbefaa278deeb1893855489483e2c9eeN.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1860

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/1860-0-0x0000000001000000-0x00000000011C8000-memory.dmp

Filesize
1.8MB

Download
memory/1860-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

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memory/1860-2-0x0000000001000000-0x00000000011C8000-memory.dmp

Filesize
1.8MB

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