expiro | 7e9e35e1d4609624312905acc29841372883d7c44d227a7826723487b94b27d3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 14:14

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General

Target

JaffaCakes118_6d3aa11ce07a6d60774654c200921b25.exe
Size

715KB
MD5

6d3aa11ce07a6d60774654c200921b25
SHA1

a0b4ae374eacecf2023f1622e4cbe61b8039d57a
SHA256

7e9e35e1d4609624312905acc29841372883d7c44d227a7826723487b94b27d3
SHA512

0fa751024250afdb37e2f14b8a68c6677c6de9987412ad25a0674f4b13fd6fc3572cc16dd73d465011d42c6ab012e5f01b1860b49adc9bc4c13304e68d8873fd
SSDEEP

12288:/xLVMsCpn5K6hHLeo3YKTiiObWnIIUij9qYktKp7C8LpcOuyouAcO:/xLYi6hqCYriaWnIINdCnyouAc

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/2084-2-0x0000000001000000-0x00000000011D6000-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	JaffaCakes118_6d3aa11ce07a6d60774654c200921b25.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3aa11ce07a6d60774654c200921b25.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d3aa11ce07a6d60774654c200921b25.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2084

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/2084-0-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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memory/2084-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

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memory/2084-2-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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