expiro | 7bfeb291edad92171b96b6115c5badaa1201454d99dd3d2961723ad79b163a99

Analysis

max time kernel
95s
max time network
97s
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 21:30

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General

Target

JaffaCakes118_7bd910d2501e1dcee5a78a34093e4510.exe
Size

527KB
MD5

7bd910d2501e1dcee5a78a34093e4510
SHA1

78ff504a21b87271113b90d048f2140871ae92d7
SHA256

7bfeb291edad92171b96b6115c5badaa1201454d99dd3d2961723ad79b163a99
SHA512

4a89208505ba54e92683e5ff89309192e919f8e814c4bf3ce4fdf79d860c5a3a98cda150670a40ed27c3bc1db248eb9f7008e08dd5d9433396266385b3f708a9
SSDEEP

12288:JHc3jhPvz8Eyy1E3AdhXxltnaXKiVSH2GcjaNO:9c3VPxNE2xlZaXPVSWGPNO

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/3980-2-0x0000000001000000-0x00000000011A0000-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_7bd910d2501e1dcee5a78a34093e4510.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bd910d2501e1dcee5a78a34093e4510.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7bd910d2501e1dcee5a78a34093e4510.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3980

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/3980-0-0x0000000001000000-0x00000000011A0000-memory.dmp

Filesize
1.6MB

Download
memory/3980-1-0x0000000001002000-0x0000000001004000-memory.dmp

Filesize
8KB

Download
memory/3980-2-0x0000000001000000-0x00000000011A0000-memory.dmp

Filesize
1.6MB

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