expiro | 460f5bb3781896d01eb82b0c9431e288ce709d46ddefcf2b1d45dfe63dd5073e

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01/01/2025, 01:02

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General

Target

JaffaCakes118_4198550eff32287142f962dbd4cddce0.exe
Size

552KB
MD5

4198550eff32287142f962dbd4cddce0
SHA1

361e495a7e2c96f62fc51bdf10c5a2ed5e890ebd
SHA256

460f5bb3781896d01eb82b0c9431e288ce709d46ddefcf2b1d45dfe63dd5073e
SHA512

cb6423b924d5e4456b3e3815b26f11b5baddebfaa90f0fb76f96b04a7e7f867cf8aee7e9a3ea584886887989edcd9a5ff23276209ff7c90350cc470cd21e668c
SSDEEP

12288:ejstUDe7HqVWe3b9FmMS+u9gqei+8dDxUO+mc:ODe7HHqvO+Agqei7b/+m

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/2268-1-0x0000000001000000-0x00000000011B6000-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_4198550eff32287142f962dbd4cddce0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4198550eff32287142f962dbd4cddce0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4198550eff32287142f962dbd4cddce0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2268

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/2268-0-0x0000000001000000-0x00000000011B6000-memory.dmp

Filesize
1.7MB

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memory/2268-1-0x0000000001000000-0x00000000011B6000-memory.dmp

Filesize
1.7MB

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