expiro | bf121d562c7c7b94ad46b0f48668659e2f41fa6a0a5f482fdf22f3a6a2195836

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 12:38

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General

Target

JaffaCakes118_65275918852986782eba3a17422da213.exe
Size

635KB
MD5

65275918852986782eba3a17422da213
SHA1

976edab0177ae84c34c3ccebab862eba63faa02d
SHA256

bf121d562c7c7b94ad46b0f48668659e2f41fa6a0a5f482fdf22f3a6a2195836
SHA512

1d3b8dde856409c7e5ef02322e27a4a676c2010651cd72758cb5578a0fe4a6cdbbfdf47331a3b22ad1158381e8c48964112d7d63789d748b662ce055e725edf5
SSDEEP

12288:RaIH1DGXNWHcbQueOqk2FIaHgv1HqdWZm6jORchUmaEvlUpSZA15WS77:9mNmpWHhW5EvlSSq1

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/2532-2-0x000000002E000000-0x000000002E1D2000-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_65275918852986782eba3a17422da213.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65275918852986782eba3a17422da213.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65275918852986782eba3a17422da213.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2532

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/2532-0-0x000000002E000000-0x000000002E1D2000-memory.dmp

Filesize
1.8MB

Download
memory/2532-1-0x000000002E001000-0x000000002E002000-memory.dmp

Filesize
4KB

Download
memory/2532-2-0x000000002E000000-0x000000002E1D2000-memory.dmp

Filesize
1.8MB

Download