expiro | 91b0ebd12ddf899ccd660374889480a43a44f8c767c7819625a25e48237f3ad9

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 06:17

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General

Target

JaffaCakes118_6abb53856031b06b64f1e9d9939f4450.exe
Size

569KB
MD5

6abb53856031b06b64f1e9d9939f4450
SHA1

a846c3d26469c7277a79ea061382b7259ac870d4
SHA256

91b0ebd12ddf899ccd660374889480a43a44f8c767c7819625a25e48237f3ad9
SHA512

d3cf9de7dbfa2c7220352dce189ed9ef438f72662b6bc966ed20983b569f72ba89c2788f4463c38cdc3a273c8d4bb0695ac22805faef917ed85481d8b0adc8f4
SSDEEP

6144:l7SqsphUXq5l9v9f5opxBpPTUZxsqNz2YWTmlER7rpXd6f+M1ePwEET4+c7f89I/:4qs7UXSNcI2YWD5t5PFfwIgxKTR728l

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/2332-2-0x0000000001000000-0x00000000011B3000-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_6abb53856031b06b64f1e9d9939f4450.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6abb53856031b06b64f1e9d9939f4450.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6abb53856031b06b64f1e9d9939f4450.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2332

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/2332-0-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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memory/2332-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

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memory/2332-2-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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