expiro | 10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 17:32

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General

Target

10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690.exe
Size

560KB
MD5

11e55fb6d5aa0df4f8b954047af06b2b
SHA1

412686162b803d71a90e642899d7438382f9686d
SHA256

10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690
SHA512

0f3b806f65079c7d9d2fb8d0918ef60037098e28ad93e3dd217d91065772b53ab0b6be930290d450cd37ee847e2e472fbc2628bfda2640f160d77223e978499a
SSDEEP

12288:kMUeigFuUaCrzOlWxOcN2QI25iqOFkYEhSp09ULv3:kle5FuUaCmKOAD5iDkep0G

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/2336-2-0x0000000001000000-0x000000000124A000-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	10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690.exe

C:\Users\Admin\AppData\Local\Temp\10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690.exe
"C:\Users\Admin\AppData\Local\Temp\10b0811d9fe5427fe9d9f9ee5d43795bbb8e785dd15cf5fa9c809a1d64f0f690.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2336

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/2336-0-0x0000000001000000-0x000000000124A000-memory.dmp

Filesize
2.3MB

Download
memory/2336-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

Download
memory/2336-2-0x0000000001000000-0x000000000124A000-memory.dmp

Filesize
2.3MB

Download