expiro | b726911cb3daef29a8b1bfe1cb8b53b0141fed7434d44c07d78dc4621b97991d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 07:31

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General

Target

JaffaCakes118_0b0beaaaa645c1903d1044cd3dc90545.exe
Size

457KB
MD5

0b0beaaaa645c1903d1044cd3dc90545
SHA1

bccb5fff79baf077bc29ca3608d6513bc99ad831
SHA256

b726911cb3daef29a8b1bfe1cb8b53b0141fed7434d44c07d78dc4621b97991d
SHA512

4f6ad959fc2a8f1f1a440ef6f71982b29e288739fee4ff43d3ebd493fbeeb6f2b35584d165dbf373be682fe3164f0c5a33f305510878686a94381ece82c435cd
SSDEEP

6144:vZsEOK99kXR9zMEdZZou+Rns6AVkkRD4fd92BC+/b1aX8sMCUDQGd7r2BXUb0mQ2:vWDZd7ou+O1KkRDe9vepaPcdWWb0mQ

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
behavioral1/memory/3068-0-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/3068-1-0x0000000010000000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/3068-2-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/3068-3-0x0000000010000000-0x0000000010108000-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_0b0beaaaa645c1903d1044cd3dc90545.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0beaaaa645c1903d1044cd3dc90545.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0beaaaa645c1903d1044cd3dc90545.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3068

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/3068-0-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/3068-1-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

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memory/3068-2-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

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memory/3068-3-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

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