expiro | 13cedd0c24b01244948b48a1f38223bdc81f0b1a0178619bfc0e634a6ac9c435

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2025 00:32

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General

Target

JaffaCakes118_0897f45cc1855521d198590d2f7eb671.exe
Size

395KB
MD5

0897f45cc1855521d198590d2f7eb671
SHA1

0273627f87bcdded37caece166dc1e18e1daa62f
SHA256

13cedd0c24b01244948b48a1f38223bdc81f0b1a0178619bfc0e634a6ac9c435
SHA512

c1058d84de98351d62454946880cacf1a142c53d08e569a373d12609ca010bbb7a24570fbe5e44acf9587c8cfdeb3002109497873a4cf71b78c8d81735d76db5
SSDEEP

6144:gL3Si2xLwgxYv/srWpAVs5uPD6h9jPjcs3dE9VGQcI22XsYHut4UGjSp5g:xxLVMsCpn5K6hlLIk28YFUxPg

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/4088-2-0x0000000001000000-0x00000000010AE000-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_0897f45cc1855521d198590d2f7eb671.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0897f45cc1855521d198590d2f7eb671.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0897f45cc1855521d198590d2f7eb671.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4088

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/4088-0-0x0000000001000000-0x00000000010AE000-memory.dmp

Filesize
696KB

Download
memory/4088-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

Download
memory/4088-2-0x0000000001000000-0x00000000010AE000-memory.dmp

Filesize
696KB

Download