expiro | 8a3a65d8f9f4e848c53064a996c97599a6dd69025b5bfd818c03cf08656a787b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 12:45

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General

Target

JaffaCakes118_0588c44160b236519bea50f48cbff348.exe
Size

322KB
MD5

0588c44160b236519bea50f48cbff348
SHA1

bcbe440ff203827f0cb7d93ed8f3968a9b279af5
SHA256

8a3a65d8f9f4e848c53064a996c97599a6dd69025b5bfd818c03cf08656a787b
SHA512

a8ef1521e140c70a57f11e05092f402943cadace09aa7fbb6ec8d27f99bc8c353fc9333fac9280d4910e84a46012d686d2675d0031c5b844bbd531b7d3fb7aa2
SSDEEP

6144:mDQ1VY7yScIRouWgixLDZmLfuWBMFe30Ll2WJ3b9fIMnC2t:mDQ1nScI+uWdxLD0LfuWPml2WZ9fi2t

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/1704-2-0x0000000001000000-0x000000000109F000-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_0588c44160b236519bea50f48cbff348.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0588c44160b236519bea50f48cbff348.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0588c44160b236519bea50f48cbff348.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1704

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/1704-0-0x0000000001000000-0x000000000109F000-memory.dmp

Filesize
636KB

Download
memory/1704-1-0x0000000001019000-0x000000000101A000-memory.dmp

Filesize
4KB

Download
memory/1704-2-0x0000000001000000-0x000000000109F000-memory.dmp

Filesize
636KB

Download