expiro | 3ec5f8d4b6da0a9c667831b750e7c467a4e4027e1746ea9f94f886935f8c56cd

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 22:38

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General

Target

JaffaCakes118_080e715cb7fff5b2f347f54eff746d07.exe
Size

181KB
MD5

080e715cb7fff5b2f347f54eff746d07
SHA1

492c1307e2dbfabc47b76a21102087c5f89b3ee6
SHA256

3ec5f8d4b6da0a9c667831b750e7c467a4e4027e1746ea9f94f886935f8c56cd
SHA512

e7f3ecbe2551eaf7e681b8db1234a8d321b41b63519d6bd43dc5e9d315425c7039f06f4033a4e5461a576351aaf015f435f6f58afdc060bb23601b317e58788c
SSDEEP

3072:h/8k3jqwrIwc61nNIX/mI5Vxl+aCVRJUL+Stv1K888n717OmYOCjzBLPHWOHWW8N:R5j8wc6cXy7XOvuQ71ymYftJL8G

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
behavioral1/memory/2128-2-0x0000000001000000-0x000000000107A000-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_080e715cb7fff5b2f347f54eff746d07.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_080e715cb7fff5b2f347f54eff746d07.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_080e715cb7fff5b2f347f54eff746d07.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2128

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/2128-0-0x0000000001000000-0x000000000107A000-memory.dmp

Filesize
488KB

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memory/2128-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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memory/2128-2-0x0000000001000000-0x000000000107A000-memory.dmp

Filesize
488KB

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