expiro | d00cc46bc98eee189282130a049419a73a0c7d6c81b474e03600e6c8cf62dccf

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 20:06

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General

Target

JaffaCakes118_6067d56e57fc38f8de304174336086b0.exe
Size

920KB
MD5

6067d56e57fc38f8de304174336086b0
SHA1

809264db34924bd21855afefefaa5f8a691ca25d
SHA256

d00cc46bc98eee189282130a049419a73a0c7d6c81b474e03600e6c8cf62dccf
SHA512

f48aa2b257a9f3c036f64e2c2c8b3c9328e2f3b73e8773b8e53363d147e50db16d4c76dbbee75c8e370b4d8776eca2c3e5a6d4e78b7566fa102b3752634ad89c
SSDEEP

24576:1hx/feEF3NFebEtwhx/j8M51t/zsv0w5v9t3jCc5i5:/JeM9Eb8wr/j8MnVU5v9JPG

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/4532-2-0x0000000000400000-0x00000000006B2000-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_6067d56e57fc38f8de304174336086b0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4532	JaffaCakes118_6067d56e57fc38f8de304174336086b0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067d56e57fc38f8de304174336086b0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6067d56e57fc38f8de304174336086b0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4532

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/4532-0-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

Download
memory/4532-1-0x000000000040D000-0x000000000040E000-memory.dmp

Filesize
4KB

Download
memory/4532-2-0x0000000000400000-0x00000000006B2000-memory.dmp

Filesize
2.7MB

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