expiro | e8ac4ace45099e45f524ef76d84899b9c96675709dc1783e21086eae40d43109

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-02-2025 05:53

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General

Target

JaffaCakes118_1ee215049e46b0dd0d8d224d047c0360.exe
Size

411KB
MD5

1ee215049e46b0dd0d8d224d047c0360
SHA1

5d48d595f80d2b0d26e285923dbd0dd79c56c18f
SHA256

e8ac4ace45099e45f524ef76d84899b9c96675709dc1783e21086eae40d43109
SHA512

36dcc4c0163e24b46c21cbd622eb24666515048c846c4092eb0527aace58703f1d89cb207ef43a26017c793bc229a89badcee968b1b7629d5466673f7a324434
SSDEEP

6144:UL3Si2xLwgxYv/srWpAVs5uPD6h91PjcsTNUkKzPZ/nxNQ+UZlacPN7u05t:9xLVMsCpn5K6hXLTixNxyzHao7uGt

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/2512-2-0x0000000001000000-0x00000000010B4000-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_1ee215049e46b0dd0d8d224d047c0360.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ee215049e46b0dd0d8d224d047c0360.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ee215049e46b0dd0d8d224d047c0360.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2512

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/2512-0-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

Download
memory/2512-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

Download
memory/2512-2-0x0000000001000000-0x00000000010B4000-memory.dmp

Filesize
720KB

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