expiro | 7cf0c3611999603ac61d723ee8b081dcba3bfd4eb7f4993738a9efa2a8af3614

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 17:10

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General

Target

JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe
Size

656KB
MD5

6e2903c2ae1f9f5cf474550ab0b2d6d0
SHA1

cbfde1fa255368c54275b00d549db63dce3366e8
SHA256

7cf0c3611999603ac61d723ee8b081dcba3bfd4eb7f4993738a9efa2a8af3614
SHA512

38dc4d114a63b0ff27308df822b9b05294dcfefef891151f32999d56a46e84b8ceb408011ce899b3498f7d822bf93481d6ba0736fe146811084571d880347110
SSDEEP

12288:z6H/fxA+uQPiN20P4W0bfsDOQ2N/XyXj/WA7ktsCXPUYk/zMsxlqbWeJmuEV+:z6H/fxA+R+gRfEtkXwJQfXPUY8ztxAq/

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
behavioral2/memory/3124-2-0x0000000001000000-0x00000000011DB000-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_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e2903c2ae1f9f5cf474550ab0b2d6d0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3124

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/3124-0-0x0000000001000000-0x00000000011DB000-memory.dmp

Filesize
1.9MB

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memory/3124-1-0x0000000001003000-0x0000000001004000-memory.dmp

Filesize
4KB

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memory/3124-2-0x0000000001000000-0x00000000011DB000-memory.dmp

Filesize
1.9MB

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