expiro | 6e72dec5fed1fba3408ef534be1464b1af236b074270001ff6971cec2b24a5de

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
04-01-2025 12:06

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General

Target

JaffaCakes118_7997b8ac0ecd71bdf33555b9171c1db0.exe
Size

545KB
MD5

7997b8ac0ecd71bdf33555b9171c1db0
SHA1

3f09069f26a4bc432ea4bd6d37c88e95242168f2
SHA256

6e72dec5fed1fba3408ef534be1464b1af236b074270001ff6971cec2b24a5de
SHA512

46cfbcf106a689e9f3660a9dc4b935d81f07ff960fcc91487959f2580da013f8129e1630676cf6ae48510389b8bdf6b1d3e4d9f152e85bbd8faa3d7a6587badb
SSDEEP

12288:hJc7iwzNxMJdwFPOt5t6xv3WczwVP6u45CUt4/CH5t:XUZx2wF2vteSPSf4aH5

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/3056-2-0x0000000001000000-0x00000000011B4000-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_7997b8ac0ecd71bdf33555b9171c1db0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7997b8ac0ecd71bdf33555b9171c1db0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7997b8ac0ecd71bdf33555b9171c1db0.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/3056-0-0x0000000001000000-0x00000000011B4000-memory.dmp

Filesize
1.7MB

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memory/3056-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

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memory/3056-2-0x0000000001000000-0x00000000011B4000-memory.dmp

Filesize
1.7MB

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