expiro | 7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3

Analysis

max time kernel
75s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 10:49

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General

Target

7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3N.exe
Size

596KB
MD5

8ac03b2c2538dcca22fa097dcf4dc940
SHA1

3bbfa774025ef21c46dfa841a8d818073a63a8f9
SHA256

7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3
SHA512

fee5f15c1bfecf7749959be6d2668a20ec479113f48fe191cc7f248184c524dce864ae8887a4c61d0204a829aed4460415869e54b066213a87ad1147defa95d2
SSDEEP

12288:3XDQ1GOYGdFWSMQh5JKfnlHuo3FYvSyfLWpbrx1+JsTiB6+qoZr:3XDQ0OJvpBh5J651YqyfW36fc+qS

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/1964-2-0x0000000001000000-0x0000000001253000-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	7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3N.exe

C:\Users\Admin\AppData\Local\Temp\7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3N.exe
"C:\Users\Admin\AppData\Local\Temp\7a826542b59cd3aecbdffa941934a4118d344beed09e095e7f001102fc30f7f3N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1964

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/1964-0-0x0000000001000000-0x0000000001253000-memory.dmp

Filesize
2.3MB

Download
memory/1964-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

Download
memory/1964-2-0x0000000001000000-0x0000000001253000-memory.dmp

Filesize
2.3MB

Download