expiro | cafd77cb5bcc8562e9abc5bb03dc500602ab3533ef9f041f288912490d7f0bc9

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 00:40

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General

Target

JaffaCakes118_69304ac4d6eedf4ffbb3372380677c10.exe
Size

697KB
MD5

69304ac4d6eedf4ffbb3372380677c10
SHA1

495a4746b6104c5c700319dae9f241f6b1ea9ea2
SHA256

cafd77cb5bcc8562e9abc5bb03dc500602ab3533ef9f041f288912490d7f0bc9
SHA512

5aa88de367b8fe278a2441bdd013e1a9c97070f3ae40ce4bd5f927d2fd7c5105fdd939580856132ce4a19d2a7a7ff95c4c365850991b64f90214b951e8870bcd
SSDEEP

12288:5CGOELSmF3FSWTYAGsL+RrPWnd1E/VZ3/HsiA5wVZl01Q5GZSv:eSFfTY/saeXE/7CQ

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/2244-2-0x0000000000400000-0x00000000005D1000-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_69304ac4d6eedf4ffbb3372380677c10.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69304ac4d6eedf4ffbb3372380677c10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69304ac4d6eedf4ffbb3372380677c10.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2244

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/2244-0-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

Download
memory/2244-1-0x0000000000414000-0x0000000000415000-memory.dmp

Filesize
4KB

Download
memory/2244-2-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

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