expiro | d07792cd2a25994fc56851235526e55cb4dd39effb1c813b798aa13b75514387

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:12

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General

Target

JaffaCakes118_6ee8f896a73d44dcf3578471f74e4140.exe
Size

628KB
MD5

6ee8f896a73d44dcf3578471f74e4140
SHA1

829d2eaf67e41d445b69c4d38e7ad1d1f58d7d06
SHA256

d07792cd2a25994fc56851235526e55cb4dd39effb1c813b798aa13b75514387
SHA512

872c7497343b961117e64341b4bb4c778c7ad773680a96ae67ce9233a00531436441acc07687680f74c5cfb01bdfe8caad3b61d60ac2ba62b230f6e8ca0abfd2
SSDEEP

12288:KQaW8UdaY+JygE9J51YzFmC87R/0TvNpp2zAL5PwQijxuT93Y36fAW:paRYYyh9/S387R/0DNrlLWQiVu1o6fA

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/2280-2-0x0000000000400000-0x0000000000663000-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_6ee8f896a73d44dcf3578471f74e4140.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ee8f896a73d44dcf3578471f74e4140.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ee8f896a73d44dcf3578471f74e4140.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2280

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/2280-0-0x0000000000400000-0x0000000000663000-memory.dmp

Filesize
2.4MB

Download
memory/2280-1-0x000000000040B000-0x000000000040C000-memory.dmp

Filesize
4KB

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memory/2280-2-0x0000000000400000-0x0000000000663000-memory.dmp

Filesize
2.4MB

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