expiro | 93418f99dbb1a73d06cd68b500e0de0035a00b1269bba7e31c972d99d3d40b83

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 05:51

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General

Target

JaffaCakes118_6a9b5619c99d03c8172ae8cf9a1f6d10.exe
Size

619KB
MD5

6a9b5619c99d03c8172ae8cf9a1f6d10
SHA1

1b5b3c1449f34cca64b2dbbc82dced71eb507906
SHA256

93418f99dbb1a73d06cd68b500e0de0035a00b1269bba7e31c972d99d3d40b83
SHA512

84f6617c3bb84b14cf5e13c1e3e9e5484429a39193efe56dcb4bd5b8334db4d964a6254a8671c5fc18c6191ee7f63a332e1309e361f55e5aa555136f51af5067
SSDEEP

12288:/XiOq359vd3y9eruFU3tH06WQJbDgOx+5145AIUlM:/XTq3dycJdH06WQZJ0QTUlM

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/1728-2-0x0000000001000000-0x00000000011C7000-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_6a9b5619c99d03c8172ae8cf9a1f6d10.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a9b5619c99d03c8172ae8cf9a1f6d10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a9b5619c99d03c8172ae8cf9a1f6d10.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1728

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/1728-0-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

Download
memory/1728-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

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memory/1728-2-0x0000000001000000-0x00000000011C7000-memory.dmp

Filesize
1.8MB

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