expiro | bacca1ebe9acef7abe8e1c22eb1d408f9a11c7f41a14bda7c6160a5ef4d43edc

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:34

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General

Target

JaffaCakes118_6f095bcef5e6819601b79a41404ce3f0.exe
Size

528KB
MD5

6f095bcef5e6819601b79a41404ce3f0
SHA1

3d4fb38dfa321512eddb8c462becabceb793ea7e
SHA256

bacca1ebe9acef7abe8e1c22eb1d408f9a11c7f41a14bda7c6160a5ef4d43edc
SHA512

a3ad60b53f6653ae767bdf91670e4dd7783bf17b28e1375ac87d2e4c1f38a8811148e7b769042a8b21542d7e858ed67ffdc041be73ff035300cd52d8c6f04173
SSDEEP

12288:sXx9YG245yGGjzLW5fVfxDH5JNQAw2+lLPosjhhxK:shf245xGTW5lxT5J6AtszxK

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/2892-2-0x0000000001000000-0x00000000011A1000-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_6f095bcef5e6819601b79a41404ce3f0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f095bcef5e6819601b79a41404ce3f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f095bcef5e6819601b79a41404ce3f0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2892

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/2892-0-0x0000000001000000-0x00000000011A1000-memory.dmp

Filesize
1.6MB

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memory/2892-1-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

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memory/2892-2-0x0000000001000000-0x00000000011A1000-memory.dmp

Filesize
1.6MB

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