expiro | 2a74214360491ba70fecfd0ec88f34800d3da45cfa7ea0d04c7e8937610c5a01

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 04:13

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General

Target

JaffaCakes118_6a27ae59a434b4ee731d5672807a9340.exe
Size

247KB
MD5

6a27ae59a434b4ee731d5672807a9340
SHA1

0e5cc91e4a8b054276b82eb70dd05e22e9a8b6b3
SHA256

2a74214360491ba70fecfd0ec88f34800d3da45cfa7ea0d04c7e8937610c5a01
SHA512

a4b77660db60dfbda6bbc1bea39a025d056a96f6f237b6e953428b4022ad8234ddfd6696d87de049a4965fcaeb8348a7442f5426bc8249adfdc33f298e42b628
SSDEEP

6144:GO4mMn6arjzFPFHqmWgdg3Jk8w1uJZM2uGZuoPhIsAcDm:fg6arFtHqmvdg3JRMUZuoJIsz

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 3 IoCs

backdoor

resource	yara_rule
behavioral1/memory/2076-0-0x0000000000442000-0x0000000000469000-memory.dmp	family_expiro1
behavioral1/memory/2076-1-0x0000000000400000-0x0000000000469000-memory.dmp	family_expiro1
behavioral1/memory/2076-2-0x0000000000442000-0x0000000000469000-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_6a27ae59a434b4ee731d5672807a9340.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a27ae59a434b4ee731d5672807a9340.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a27ae59a434b4ee731d5672807a9340.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2076

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/2076-0-0x0000000000442000-0x0000000000469000-memory.dmp

Filesize
156KB

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memory/2076-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

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memory/2076-2-0x0000000000442000-0x0000000000469000-memory.dmp

Filesize
156KB

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