expiro | df9f6ea07bef0ad31056ac21313298b9d7bdc72730e757a82d3e32a7d61ea0d6

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-02-2025 23:29

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General

Target

JaffaCakes118_1cf38bdf07fcb4a4a9dd1919c1ac34f9.exe
Size

249KB
MD5

1cf38bdf07fcb4a4a9dd1919c1ac34f9
SHA1

a1f0fe21d9706e2e87081f7c664b79895eee8358
SHA256

df9f6ea07bef0ad31056ac21313298b9d7bdc72730e757a82d3e32a7d61ea0d6
SHA512

61a44a320f4c3f3f9dcaa1d240c548ddfdac451f7529d2204a1b9d2606f9636ae075fc08e08b4cbacefdc9e804985658ae30f29c5c9f2cadeccfebee37f284e7
SSDEEP

6144:P7SqsphUXq5l9OwNo+2SGN981a0wHY9ysgKv:Wqs7UXae+2SGN49Fg4

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/2212-2-0x0000000001000000-0x000000000108B000-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_1cf38bdf07fcb4a4a9dd1919c1ac34f9.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1cf38bdf07fcb4a4a9dd1919c1ac34f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1cf38bdf07fcb4a4a9dd1919c1ac34f9.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2212

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

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Downloads

memory/2212-0-0x0000000001000000-0x000000000108B000-memory.dmp

Filesize
556KB

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memory/2212-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

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memory/2212-2-0x0000000001000000-0x000000000108B000-memory.dmp

Filesize
556KB

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