expiro | 0e2269611a028305dd06b34778cd3fd464a817c8d6719a1c943a8f39706a83cc

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 14:57

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General

Target

cd995af988e3d4b4842b47285d028b25_JaffaCakes118.exe
Size

456KB
MD5

cd995af988e3d4b4842b47285d028b25
SHA1

d1d4dd5759160d5bf3960af3f83587da3e04dc01
SHA256

0e2269611a028305dd06b34778cd3fd464a817c8d6719a1c943a8f39706a83cc
SHA512

af42093b4c79e5a5600e1ab83198a51e949ce5ae11d5991c93b3f823dea2ead326ded55fb2088050bdb3834c3640053385bce84d20b8474696402b3a449f2d55
SSDEEP

6144:ghzPCTB92ZLiJWPH8wGXMD2VJdi82rGHH7awQl4S6lKGzf3sVBCqgiecB5ecbD49:ghzPCTCuMLRsfkGS6l1z6gbcB5n+F

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/3860-0-0x0000000000474000-0x0000000000507000-memory.dmp	family_expiro1
behavioral2/memory/3860-1-0x0000000000400000-0x0000000000507000-memory.dmp	family_expiro1
behavioral2/memory/3860-2-0x0000000000474000-0x0000000000507000-memory.dmp	family_expiro1
behavioral2/memory/3860-3-0x0000000000400000-0x0000000000507000-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	cd995af988e3d4b4842b47285d028b25_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cd995af988e3d4b4842b47285d028b25_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd995af988e3d4b4842b47285d028b25_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3860

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/3860-0-0x0000000000474000-0x0000000000507000-memory.dmp

Filesize
588KB

Download
memory/3860-1-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/3860-2-0x0000000000474000-0x0000000000507000-memory.dmp

Filesize
588KB

Download
memory/3860-3-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

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