expiro | df1a40a1fc19b387fdf4c9798ca95fe59d7c5e5deabe1088ffb0b566f82e8b74

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 21:55

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General

Target

JaffaCakes118_60df7f918f44247c5dfbaa0b181756c0.exe
Size

715KB
MD5

60df7f918f44247c5dfbaa0b181756c0
SHA1

fc0db613075694e682eec53000634dd9899124df
SHA256

df1a40a1fc19b387fdf4c9798ca95fe59d7c5e5deabe1088ffb0b566f82e8b74
SHA512

2c789ee6b00bd7d6234362ef181a0ace90c60f35dfb288c3cb3af8efb7796629e5d9018c0baa2e2b5b149c347c188a4c9a23af8b46acc2478f07058b1ca68b0b
SSDEEP

12288:/xLVMsCpn5K6hXL09YzbL0hHXgUOGlAhvbIHaSYS+VjaQANyPqC5+NsXRREtV+JD:/xLYi6ho9YzMJXgUBW06rtR6yPqk+NsD

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/2024-2-0x0000000001000000-0x00000000011D6000-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_60df7f918f44247c5dfbaa0b181756c0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60df7f918f44247c5dfbaa0b181756c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60df7f918f44247c5dfbaa0b181756c0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2024

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/2024-0-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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memory/2024-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

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memory/2024-2-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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