expiro | a2f75c0c330e25947ef51d45d881c6c2657300d0147db92df15a07257884cdaf

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 15:18

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General

Target

JaffaCakes118_2472de6fcb057db7114e8115e099606e.exe
Size

457KB
MD5

2472de6fcb057db7114e8115e099606e
SHA1

fc330ce7ba57abaf92ffc5cb279159f80647680b
SHA256

a2f75c0c330e25947ef51d45d881c6c2657300d0147db92df15a07257884cdaf
SHA512

46593b6fd6f1f4a0637a44f77220090f09fc20c4080f0df6cb2b489d89b06e1c3b41a3cebf5d2899e2b4b6dc41d3fff6a3245fedb224714ea20c414feef20cea
SSDEEP

6144:4ZhEOK99kX2r+dySXV/iVmAP+th31WFzYQj7y8jJumQ1ZolenMYTVvUrr6:4T2r+3XV/iVmS2k0M7y8lumQ1fvU3

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/1120-0-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/1120-1-0x0000000010000000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/1120-2-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral2/memory/1120-3-0x0000000010000000-0x0000000010108000-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_2472de6fcb057db7114e8115e099606e.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2472de6fcb057db7114e8115e099606e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2472de6fcb057db7114e8115e099606e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1120

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

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Downloads

memory/1120-0-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/1120-1-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

Download
memory/1120-2-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/1120-3-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

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