expiro | 9534fbaf7f6da7d0134a1c12e83bc2936e0a5d9dbf402bb6714f07506ea2562e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 01:33

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General

Target

JaffaCakes118_61db63865e19e1ac0a665be823d7d9b0.exe
Size

692KB
MD5

61db63865e19e1ac0a665be823d7d9b0
SHA1

b1c35d76fcdcc055f804d15690d1b8d3ee2bccf0
SHA256

9534fbaf7f6da7d0134a1c12e83bc2936e0a5d9dbf402bb6714f07506ea2562e
SHA512

3fa25e7b3d28f6d576374d894753fe45e807d9f0c6bea65a08cbc6fddff2144b767686d4c3a213b531b21f48855fc361150d3c97da15e8b8acb5f5a8badd6b72
SSDEEP

12288:abH6qtKGCb7OOEN6CPyJYuYrUjk8clGYORscg+4U9WUZgOE1/9B/mbuNt:khCb72zsYEkP0Hg///e

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/2900-2-0x0000000000400000-0x000000000066B000-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_61db63865e19e1ac0a665be823d7d9b0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61db63865e19e1ac0a665be823d7d9b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61db63865e19e1ac0a665be823d7d9b0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2900

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

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Downloads

memory/2900-0-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

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memory/2900-1-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

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memory/2900-2-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

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