expiro | fb0743241444dcc835c38eb58c46ed394566e162281baea8d6998603f7e59c4f

Analysis

max time kernel
148s
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
03-01-2025 01:17

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General

Target

JaffaCakes118_6959e188030d3bbcad8d24357a7849d0.exe
Size

941KB
MD5

6959e188030d3bbcad8d24357a7849d0
SHA1

d8ea57865250810f0cbbc0086950e75fba07415d
SHA256

fb0743241444dcc835c38eb58c46ed394566e162281baea8d6998603f7e59c4f
SHA512

e6461845d2181bad6ed8d1ba8b4e4086362ed82f0fde7eb758212dae1639bc709a3056c2dc807ddf912f2b01bebc7eb06738a7e85646a537ea04bf18efce1dd8
SSDEEP

24576:Kx2AxkRSffzIJNegxvvb5JF3//3+nmigdY974gN:K/xhOpvlJF33w5974gN

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
behavioral2/memory/548-2-0x0000000001000000-0x00000000012D8000-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_6959e188030d3bbcad8d24357a7849d0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6959e188030d3bbcad8d24357a7849d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6959e188030d3bbcad8d24357a7849d0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:548

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/548-0-0x0000000001000000-0x00000000012D8000-memory.dmp

Filesize
2.8MB

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memory/548-1-0x000000000101C000-0x000000000101D000-memory.dmp

Filesize
4KB

Download
memory/548-2-0x0000000001000000-0x00000000012D8000-memory.dmp

Filesize
2.8MB

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