expiro | 6a082b64d81d00a52bb96e26dd27faf4162cf3a23ffbc567219341659e08e507

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 10:49

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General

Target

JaffaCakes118_79443e47117c6898ca8ab68cefc3d830.exe
Size

526KB
MD5

79443e47117c6898ca8ab68cefc3d830
SHA1

db6ca5fd15498dec49370d22bc20e04012ef7946
SHA256

6a082b64d81d00a52bb96e26dd27faf4162cf3a23ffbc567219341659e08e507
SHA512

414d2ae9e5586a96c00e7ad505a2ff7accd0f562411c285a4eb35a7e66da6f1382b80a1c1e5f48b8c7f80041b9468a040686f67997212fa8f3827a38b546768e
SSDEEP

12288:f8sPQl2wRcgGDKNN0zGpSb41bDvU07TtWljont+iHOFAQlii:RnDG0zGcbeD807TtFjOFrli

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
behavioral2/memory/4296-2-0x0000000001000000-0x00000000011A3000-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_79443e47117c6898ca8ab68cefc3d830.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79443e47117c6898ca8ab68cefc3d830.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79443e47117c6898ca8ab68cefc3d830.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4296

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/4296-0-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

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memory/4296-1-0x0000000001003000-0x0000000001004000-memory.dmp

Filesize
4KB

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memory/4296-2-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

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