expiro | 758eb3fe826001efd1b0fb14229d14ec05da39970b5e52b4c1970de0221f1dde

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 13:49

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General

Target

JaffaCakes118_7a07234171102aadd309537ba71a9920.exe
Size

642KB
MD5

7a07234171102aadd309537ba71a9920
SHA1

bab60ac38612070cdab8a710272255f600f4d720
SHA256

758eb3fe826001efd1b0fb14229d14ec05da39970b5e52b4c1970de0221f1dde
SHA512

5c617b8df7c58148a445d18258abe550a4bc374e27687df9d3408ca86ff9a1e972680d9adf8cf2ac5bf66315627f28a81f154aed7305bf1e88f91da04c662382
SSDEEP

12288:uDQ1nScI+uWdnLDjXbGgQcXsOKa6A/k/oNP7q:qQ1nfZdGgQcXsOKa6IkANP

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/1980-2-0x0000000001000000-0x00000000011C7000-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_7a07234171102aadd309537ba71a9920.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a07234171102aadd309537ba71a9920.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a07234171102aadd309537ba71a9920.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1980

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/1980-0-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

Download
memory/1980-1-0x0000000001019000-0x000000000101A000-memory.dmp

Filesize
4KB

Download
memory/1980-2-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

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