expiro | fc3e457dd579b5a556c33bc3b808e71777b7288a0ba96761073d8ca82c868ae0

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 21:50

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General

Target

JaffaCakes118_7bea443384c059d1a853904152e92410.exe
Size

1.5MB
MD5

7bea443384c059d1a853904152e92410
SHA1

eec4de5ee20855f08933019a682e541edf6cb22b
SHA256

fc3e457dd579b5a556c33bc3b808e71777b7288a0ba96761073d8ca82c868ae0
SHA512

5c607d6cb538be3684112bf1ce6f7d5a713f3dbef3944d25f8208ab77271b567be4778955b4c56374546b0bc47b04c2da1d6f083906dc65926a97e1f317fb74c
SSDEEP

24576:Di4FW79f0DjaPjQjhGcVtjBKT/lQpzIeFcEw99QE2Es7CUV0Fcm1NoLGmCrrfUKP:Wbl0aPjwGcVtgrlQNVFw99QE2E9UqFNn

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/1668-6-0x0000000000400000-0x0000000000696000-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_7bea443384c059d1a853904152e92410.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bea443384c059d1a853904152e92410.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bea443384c059d1a853904152e92410.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1668

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/1668-0-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/1668-5-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

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memory/1668-6-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

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