expiro | e94c3985dedc85c4411bb8b196d56dafd6da719ccaf3759f467e23ed05490abc

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 23:12

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General

Target

JaffaCakes118_68cdbda0e630a571ef804b9ba81aeb10.exe
Size

601KB
MD5

68cdbda0e630a571ef804b9ba81aeb10
SHA1

4470235a910852a3692848d3670be4302c06e6a8
SHA256

e94c3985dedc85c4411bb8b196d56dafd6da719ccaf3759f467e23ed05490abc
SHA512

eeda88a43543235ef4e319b4bda0ebba6f1d791d8d904214ce8fbd025cc7039d0d40863f00945b117b431506328a686d6c8eec0f33e9ef56436e774a032c77e5
SSDEEP

12288:6Mf7R8BkPruumJnyV46bwvSF3XzJvcaYzwzBRQn:627R8BkjuW4wwvIDTYz+2

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/2200-2-0x0000000001000000-0x00000000011B2000-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_68cdbda0e630a571ef804b9ba81aeb10.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68cdbda0e630a571ef804b9ba81aeb10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68cdbda0e630a571ef804b9ba81aeb10.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2200

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/2200-0-0x0000000001000000-0x00000000011B2000-memory.dmp

Filesize
1.7MB

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memory/2200-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

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memory/2200-2-0x0000000001000000-0x00000000011B2000-memory.dmp

Filesize
1.7MB

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