expiro | 0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 06:15

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General

Target

0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306N.exe
Size

628KB
MD5

a76b9fa0c2dac518de5402482d155190
SHA1

3d914d2064abc99bdde6e3cef4c6f83c2811690c
SHA256

0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306
SHA512

057542d8d45d3c17a33eae451d714f79de76ff16e2d1bf35117acedc9a714da617677860ad85455db45cabdffdc58873556fb08ddfa5a652e39d9f7c02c64476
SSDEEP

6144:S7SqsphUXq5l9ck/rYD3B7yicnWWWFwRMN4xhHYE8uQgiFvRbYza4GUhdAGTUCsx:lqs7UXu/rYbB7LcnWtFqEYza4Ggdje9

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/2124-2-0x0000000001000000-0x000000000125B000-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	0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306N.exe

C:\Users\Admin\AppData\Local\Temp\0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306N.exe
"C:\Users\Admin\AppData\Local\Temp\0cb49425d695f62ad3e7b96cc2959e217f526e6b9074870403a200061b4b3306N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2124

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/2124-0-0x0000000001000000-0x000000000125B000-memory.dmp

Filesize
2.4MB

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memory/2124-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

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memory/2124-2-0x0000000001000000-0x000000000125B000-memory.dmp

Filesize
2.4MB

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