expiro | 7e6a8414bad2854b44e93da20ab16658ae9b95455dc47bb36850b3841849ef32

Analysis

max time kernel
92s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 09:51

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General

Target

JaffaCakes118_e1487d282f1860d155984eb9f84662ef.exe
Size

415KB
MD5

e1487d282f1860d155984eb9f84662ef
SHA1

e697e98ca59f04b8223d223dac484e727316e67c
SHA256

7e6a8414bad2854b44e93da20ab16658ae9b95455dc47bb36850b3841849ef32
SHA512

e32fa5bcf3ceb92f8029c34dac5b416d8de76fa523de98037448de35df61e1ae75318eeb553de8e9134865a997ccb7107b2e828876aa652b4a6476fd9be9876b
SSDEEP

6144:fr9yKsibP69PyvymQSlPiIHfkfP3vyj9vRuVBhmkCTMU7z0pWL72uRTvBaWL:fr9yKsibP6UybUSq0cnTMiWUR7BRL

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
behavioral2/memory/224-0-0x000000000098B000-0x0000000000A1E000-memory.dmp	family_expiro1
behavioral2/memory/224-2-0x000000000098B000-0x0000000000A1E000-memory.dmp	family_expiro1
behavioral2/memory/224-1-0x0000000000920000-0x0000000000A1E000-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_e1487d282f1860d155984eb9f84662ef.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1487d282f1860d155984eb9f84662ef.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e1487d282f1860d155984eb9f84662ef.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:224

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/224-0-0x000000000098B000-0x0000000000A1E000-memory.dmp

Filesize
588KB

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memory/224-2-0x000000000098B000-0x0000000000A1E000-memory.dmp

Filesize
588KB

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memory/224-1-0x0000000000920000-0x0000000000A1E000-memory.dmp

Filesize
1016KB

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