expiro | 03acb543b6b23dec1946a5fc9bb29563f0b57f8b8d88230398eb52fef8721d80

Analysis

max time kernel
148s
max time network
153s
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 17:22

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General

Target

JaffaCakes118_6e3bec860077b1b3d4da43f469409d22.exe
Size

654KB
MD5

6e3bec860077b1b3d4da43f469409d22
SHA1

8bb526acd1f5a16777fe8ae29f4081668833516e
SHA256

03acb543b6b23dec1946a5fc9bb29563f0b57f8b8d88230398eb52fef8721d80
SHA512

b0b45e4167a00ccb50a5d7be2bab7c15b38de7890f5a8a343356fbc1aeb680fb9e49503387a03980ef1906c50a4c424700f6e9e056591bef89462b408985f585
SSDEEP

12288:6DQ1nScI+uWdsLD9O3dQC9o8W8YrBcc6HAdC+aA3G3:+Q1nfZdF3dQ2HW3CAdChA23

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/2768-2-0x0000000001000000-0x00000000011C1000-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_6e3bec860077b1b3d4da43f469409d22.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e3bec860077b1b3d4da43f469409d22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e3bec860077b1b3d4da43f469409d22.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2768

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/2768-0-0x0000000001000000-0x00000000011C1000-memory.dmp

Filesize
1.8MB

Download
memory/2768-1-0x0000000001019000-0x000000000101A000-memory.dmp

Filesize
4KB

Download
memory/2768-2-0x0000000001000000-0x00000000011C1000-memory.dmp

Filesize
1.8MB

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