expiro | f1f226acc5a3d25ea2307040157d2c8526f4e00d8aca28e88d274cb7e2b32426

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
18-02-2025 15:31

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General

Target

JaffaCakes118_008b51b90ef765f95752df2009e1dd10.exe
Size

619KB
MD5

008b51b90ef765f95752df2009e1dd10
SHA1

547f765b8a51e0e9b7d60a36f891b4293e43eedf
SHA256

f1f226acc5a3d25ea2307040157d2c8526f4e00d8aca28e88d274cb7e2b32426
SHA512

903a2dd59ab9545649fa3cac4e1795bec1ae27128e074a808aae1239ea7ebb011111604ca86b651ffb2eaf9196eb1e11102d466330e07467e24894b2597fdcdd
SSDEEP

12288:/XnOq35zQ+/h1b3iAM/MKL3A2JikCa+RauryOIQrokKb6ATLat+J4F+P:/XOq32+/nb3it/MKLQ2Jikr+RauryOIF

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/3056-2-0x0000000001000000-0x00000000011C7000-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_008b51b90ef765f95752df2009e1dd10.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_008b51b90ef765f95752df2009e1dd10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_008b51b90ef765f95752df2009e1dd10.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3056

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/3056-0-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

Download
memory/3056-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

Download
memory/3056-2-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

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