expiro | 0a06d9d08c44ba03b25ade2b0add0e7b524a3221510de740f75d963e7b692b07

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 16:21

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General

Target

JaffaCakes118_666f9d5f10a331ca96c252e54fab33f0.exe
Size

576KB
MD5

666f9d5f10a331ca96c252e54fab33f0
SHA1

3a5b5b21712814b53528dc71457578d378142a70
SHA256

0a06d9d08c44ba03b25ade2b0add0e7b524a3221510de740f75d963e7b692b07
SHA512

bb9764ca477a318fd8302e76aaaf74f08f6955a6d4f56a54bbafe72b5d9d89316b7ef5e8863071128d28737642cf821836c11241598748490877dc2547ed8a20
SSDEEP

12288:o4jRz+uP1hjrIHkbCprerpucaECid4T1Am97ZmPrAomO6iYvwyW:nXdTWyrmTym9c6ie

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/684-2-0x0000000001000000-0x00000000011B5000-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_666f9d5f10a331ca96c252e54fab33f0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_666f9d5f10a331ca96c252e54fab33f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_666f9d5f10a331ca96c252e54fab33f0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:684

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/684-0-0x0000000001000000-0x00000000011B5000-memory.dmp

Filesize
1.7MB

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memory/684-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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memory/684-2-0x0000000001000000-0x00000000011B5000-memory.dmp

Filesize
1.7MB

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