expiro | 227bd8f6a75a42567e14646f4afaca174eaca9c9a8360b8c6da8f2f96a4c23b3

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 16:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_b094ef7f1d7c56cbd76c2991662ea85e.exe
Size

457KB
MD5

b094ef7f1d7c56cbd76c2991662ea85e
SHA1

35b3424e01fbd1f6fbfd9d08e1634e46eba015d4
SHA256

227bd8f6a75a42567e14646f4afaca174eaca9c9a8360b8c6da8f2f96a4c23b3
SHA512

d60dcc0ac4eca7f2821f2fe240418f5dbfdd60953c8a0be9258601a7f6177d076b49f1a3107999c58ad360e62f765bafd29623c907d355a5c52710dea22f65e3
SSDEEP

6144:zZbEOK99kXoE4D0dBsSXnt9f8JPQdZcASHpryaPGjCLOUyPDViRaX1MlGHXeY0o:zxoEY+BdnT54wvjCLxR0AGHXeY

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 4 IoCs

backdoor

resource	yara_rule
behavioral2/memory/3056-0-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/3056-1-0x0000000010000000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/3056-2-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/3056-3-0x0000000010000000-0x0000000010108000-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_b094ef7f1d7c56cbd76c2991662ea85e.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b094ef7f1d7c56cbd76c2991662ea85e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b094ef7f1d7c56cbd76c2991662ea85e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3056

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

Loading Replay Monitor...

Downloads

memory/3056-0-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/3056-1-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

Download
memory/3056-2-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/3056-3-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

Download