expiro | 17e768b8b97d673d45f6c0a2187828fc0261c09b6ae92801012a9b17e5a1c698

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 17:52

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General

Target

JaffaCakes118_6e66e2708202490dc163ea10c2b736cb.exe
Size

1.1MB
MD5

6e66e2708202490dc163ea10c2b736cb
SHA1

6fb5164961ca2d5f2cbdd6fd9fa159434471d124
SHA256

17e768b8b97d673d45f6c0a2187828fc0261c09b6ae92801012a9b17e5a1c698
SHA512

83418904cd8406fe1a38eded1207fdbfde376d1040449260fcc784e4fbacf7f0408c04df77c216c145d86266530113295235259220929227a6533ce82efa9a31
SSDEEP

24576:0hyPbRc8yaACTXQFcdmBuDVxo0KMiZsF6I1DtwFHBL5uZpwFBd:/PtcdaACTAsmoDVxo0KMiZr

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 2 IoCs

backdoor

resource	yara_rule
behavioral2/memory/3388-2-0x0000000000400000-0x0000000000653000-memory.dmp	family_expiro1
behavioral2/memory/3388-4-0x0000000000400000-0x0000000000653000-memory.dmp	family_expiro1

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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_6e66e2708202490dc163ea10c2b736cb.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e66e2708202490dc163ea10c2b736cb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e66e2708202490dc163ea10c2b736cb.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/3388-0-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/3388-1-0x0000000000419000-0x000000000041A000-memory.dmp

Filesize
4KB

Download
memory/3388-2-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download
memory/3388-4-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download