expiro | 34a96628474c2b2d223d2c01b9691ab97edb9d3205c4a32ecc9c15e64e71ed52

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 23:14

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General

Target

JaffaCakes118_08420c6aba2a98c0244745a441371759.exe
Size

3.2MB
MD5

08420c6aba2a98c0244745a441371759
SHA1

ae8de0c8ec2e898a2af98b53e4900f3efa492d86
SHA256

34a96628474c2b2d223d2c01b9691ab97edb9d3205c4a32ecc9c15e64e71ed52
SHA512

8edefe017cfe9bf62eedcd347f6344758d91af4d76cdf013462c2c91aa535d7f30e51771d5a87da89a8c8a421d7925c80eed3219bf872e80780a906075d4b6f8
SSDEEP

49152:YdYBe5gRjzQM2cZQSQbe8WyOcRWpCP7UVG9k2cfkrqlnHwwf65iJuyV1K5cojcxv:XxMB5NMKSL1vWDkhhz5ABh9SJVNvJb

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
behavioral1/memory/2948-2-0x0000000001000000-0x0000000001381000-memory.dmp	family_expiro1
behavioral1/memory/2948-3-0x0000000001000000-0x0000000001381000-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_08420c6aba2a98c0244745a441371759.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08420c6aba2a98c0244745a441371759.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_08420c6aba2a98c0244745a441371759.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2948

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/2948-0-0x0000000001000000-0x0000000001381000-memory.dmp

Filesize
3.5MB

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memory/2948-2-0x0000000001000000-0x0000000001381000-memory.dmp

Filesize
3.5MB

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memory/2948-1-0x0000000001031000-0x0000000001033000-memory.dmp

Filesize
8KB

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memory/2948-3-0x0000000001000000-0x0000000001381000-memory.dmp

Filesize
3.5MB

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