expiro | 1cbe42756b1ed642258eecad063f5f08ee94aea5307f403c01e4dba6dd35c235

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 15:30

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General

Target

2025-02-01_76623303b4901d42a96891efafa38177_icedid.exe
Size

693KB
MD5

76623303b4901d42a96891efafa38177
SHA1

b59db1d074bb4b3aafa90bee6ee344697889f651
SHA256

1cbe42756b1ed642258eecad063f5f08ee94aea5307f403c01e4dba6dd35c235
SHA512

2871ea4c72a58f202b18c8088aa9d23645be07c864913fcfdaf6243ce1356c46fde32d90c9cd83deb191d3bf676da48ae0627203c15a68bfd8be5ebae19179be
SSDEEP

12288:TTLnp+BC15Zu60HnP1Wgo0MPKdNBxBhvrReCliYk9/XR:UCo60HtWg8PKdNBnNRewC

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
behavioral1/memory/2516-0-0x00000000004B5000-0x0000000000548000-memory.dmp	family_expiro1
behavioral1/memory/2516-1-0x0000000000400000-0x0000000000548000-memory.dmp	family_expiro1
behavioral1/memory/2516-2-0x00000000004B5000-0x0000000000548000-memory.dmp	family_expiro1
behavioral1/memory/2516-3-0x0000000000400000-0x0000000000548000-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	2025-02-01_76623303b4901d42a96891efafa38177_icedid.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_76623303b4901d42a96891efafa38177_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_76623303b4901d42a96891efafa38177_icedid.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2516

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

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Downloads

memory/2516-0-0x00000000004B5000-0x0000000000548000-memory.dmp

Filesize
588KB

Download
memory/2516-1-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2516-2-0x00000000004B5000-0x0000000000548000-memory.dmp

Filesize
588KB

Download
memory/2516-3-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

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