expiro | 83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 10:38

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General

Target

83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574.exe
Size

800KB
MD5

b843de936437a826a4c1dd5b65fba37a
SHA1

4889a212a271ba2862bfe3c3439727ae60c460cf
SHA256

83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574
SHA512

204ca19213844bf69de6a219ace14968c70c399f503bf455fc9b123ac74351da2fb79877454d2666b56850588dabed74de5c41f8a5d1e85c5a465a7a3f617a90
SSDEEP

24576:OxLYi6hjCyvy5jyJGrpqAox5xH6TLV8XC:n9y5lrpqAeYh8XC

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/2136-2-0x0000000001000000-0x00000000011FD000-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	83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574.exe

C:\Users\Admin\AppData\Local\Temp\83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574.exe
"C:\Users\Admin\AppData\Local\Temp\83b09ea6e1773ce94482c7409efe7a0f151685adb22b7fd683c618142bc2f574.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2136

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/2136-0-0x0000000001000000-0x00000000011FD000-memory.dmp

Filesize
2.0MB

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memory/2136-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

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memory/2136-2-0x0000000001000000-0x00000000011FD000-memory.dmp

Filesize
2.0MB

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