expiro | 1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 00:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0.exe
Size

526KB
MD5

3270a87940f6b824ebd05fc627b347e7
SHA1

574f7881af86bf36119232fe17024d1d0760a7da
SHA256

1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0
SHA512

86370466c20ab0a715a577fbfb0ca1b6b43948f6e11b904791b7ada2636faf46f13e2a7fb0f5b66d9af66da8f7695416e82a4c3bf8d9ed4706bcb99000e27cb9
SSDEEP

12288:f8sPQl2wRcgGDKNN0zGpSb41bDvU07TtWljont+iHOFAQliiv:RnDG0zGcbeD807TtFjOFrliM

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/1420-2-0x0000000001000000-0x00000000011A3000-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	1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0.exe

C:\Users\Admin\AppData\Local\Temp\1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0.exe
"C:\Users\Admin\AppData\Local\Temp\1e1574cc9bce0687b4aa50057ff22f14ebd8fb143940cfcc948aa10803a196c0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1420

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

Loading Replay Monitor...

Downloads

memory/1420-0-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

Download
memory/1420-1-0x0000000001003000-0x0000000001004000-memory.dmp

Filesize
4KB

Download
memory/1420-2-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

Download