expiro | 874206c5b26afbcfc92cf0dc45b4c0e7b503bc9d97b431e798b222c8e76a71be

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 09:41

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General

Target

JaffaCakes118_6bbb7b48d3ccbf2dc54ffdc8f7db92af.exe
Size

577KB
MD5

6bbb7b48d3ccbf2dc54ffdc8f7db92af
SHA1

ac0fd2b848825bcedd9655df0d7ed0f443fce092
SHA256

874206c5b26afbcfc92cf0dc45b4c0e7b503bc9d97b431e798b222c8e76a71be
SHA512

ed8f8ec3167e39066a5978dc4d23698a3f9997c63c5dba404dda847aef1b66243bffd16c0512f34a251886c5662b3a066271ec9fd021e24d4bfde9a69791ebf3
SSDEEP

12288:qrMgwKHGe68awzgvZids4ElHoFZb3fliiW3PJFYlfK:qrM95eywz4ids4tlIiW3PJv

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/1904-3-0x0000000001000000-0x00000000011BC000-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_6bbb7b48d3ccbf2dc54ffdc8f7db92af.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bbb7b48d3ccbf2dc54ffdc8f7db92af.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bbb7b48d3ccbf2dc54ffdc8f7db92af.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1904

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/1904-0-0x0000000001000000-0x00000000011BC000-memory.dmp

Filesize
1.7MB

Download
memory/1904-1-0x0000000000BA0000-0x0000000000D5C000-memory.dmp

Filesize
1.7MB

Download
memory/1904-2-0x0000000000BA0000-0x0000000000D5C000-memory.dmp

Filesize
1.7MB

Download
memory/1904-3-0x0000000001000000-0x00000000011BC000-memory.dmp

Filesize
1.7MB

Download