expiro | c0c03cd9fed9f5f8c8efcbefdc9913a03d5772e09c2012f0b5cf784336e68b30

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 14:37

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General

Target

JaffaCakes118_222e1b5b5ab650c0283eae4a9fd332f6.exe
Size

415KB
MD5

222e1b5b5ab650c0283eae4a9fd332f6
SHA1

b0d67b5e5c4c2aa0bd49a241c86602fd86944e88
SHA256

c0c03cd9fed9f5f8c8efcbefdc9913a03d5772e09c2012f0b5cf784336e68b30
SHA512

87c8e7955bb248c33ffdebe23119003089a56af99441aa3917ed96bb5d36e770dee92f1cc6ada06a4fe9a3f264c00b4f999059b741934285a4699cdecbba4711
SSDEEP

12288:+rCyKsipnOAgWAmisWqThyUnXyvVDYIiUnpgC:+rCyKsioTZsWqThDnXmsUnpgC

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 4 IoCs

backdoor

resource	yara_rule
behavioral2/memory/5020-0-0x000000000009B000-0x000000000012E000-memory.dmp	family_expiro1
behavioral2/memory/5020-1-0x000000000009B000-0x000000000012E000-memory.dmp	family_expiro1
behavioral2/memory/5020-2-0x0000000000030000-0x000000000012E000-memory.dmp	family_expiro1
behavioral2/memory/5020-3-0x0000000000030000-0x000000000012E000-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_222e1b5b5ab650c0283eae4a9fd332f6.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_222e1b5b5ab650c0283eae4a9fd332f6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_222e1b5b5ab650c0283eae4a9fd332f6.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5020

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/5020-0-0x000000000009B000-0x000000000012E000-memory.dmp

Filesize
588KB

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memory/5020-1-0x000000000009B000-0x000000000012E000-memory.dmp

Filesize
588KB

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memory/5020-2-0x0000000000030000-0x000000000012E000-memory.dmp

Filesize
1016KB

Download
memory/5020-3-0x0000000000030000-0x000000000012E000-memory.dmp

Filesize
1016KB

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