expiro | 63753e567164bd04238a279c564446730664eb2fef0441b57b195fed3ebfb86f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 18:20

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General

Target

JaffaCakes118_6731f592cf774b57b758f571ac31145f.exe
Size

585KB
MD5

6731f592cf774b57b758f571ac31145f
SHA1

56aee408402378ef59666de6c1c5368faf44a25a
SHA256

63753e567164bd04238a279c564446730664eb2fef0441b57b195fed3ebfb86f
SHA512

da734bf28dceed9db57f703f5e0e63a02302682f032341a1786fe4c03e81dbe22325e0c05455df0181f28f2436537dec6897dce7affc5a21e4a5975437717bc1
SSDEEP

12288:lrigwK2BKQ9p5WCtCE0OJ29hu4m5/7rXy/rLa:lri9nKPOJ8M97Ly/fa

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/2520-3-0x0000000001000000-0x00000000011AE000-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_6731f592cf774b57b758f571ac31145f.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6731f592cf774b57b758f571ac31145f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6731f592cf774b57b758f571ac31145f.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2520

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/2520-0-0x0000000001000000-0x00000000011AE000-memory.dmp

Filesize
1.7MB

Download
memory/2520-2-0x0000000000BA0000-0x0000000000D4E000-memory.dmp

Filesize
1.7MB

Download
memory/2520-1-0x0000000000BA0000-0x0000000000D4E000-memory.dmp

Filesize
1.7MB

Download
memory/2520-3-0x0000000001000000-0x00000000011AE000-memory.dmp

Filesize
1.7MB

Download