34fa20ddcc09c318d3a0ec37f7c0616dac7851490a4a6057e015a93806248a31

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 13:26

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General

Target

21a7de03e23aa1d69a1e07deae33d88f.exe
Size

122KB
MD5

21a7de03e23aa1d69a1e07deae33d88f
SHA1

7fe8e6e7dba3f81749150e6c91201af87912b53e
SHA256

34fa20ddcc09c318d3a0ec37f7c0616dac7851490a4a6057e015a93806248a31
SHA512

aa3fcc7faad39d98367b12243502acb2f56f532639d2f88bb39449caca3ca35a422b025b0e24e4308aeb87428f401ac19f30514001f2f7ce143ef84d05dbc68e
SSDEEP

3072:LYP2XerzhOUxu/XUtauE8zXRzL9SYAa5uqj:Lu2urzh9xu/XkauJzXRXXA0uC

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	21a7de03e23aa1d69a1e07deae33d88f.exe

Executes dropped EXE 1 IoCs

pid	Process
4392	actualizacion.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4392	actualizacion.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 4392	456	21a7de03e23aa1d69a1e07deae33d88f.exe	92
PID 456 wrote to memory of 4392	456	21a7de03e23aa1d69a1e07deae33d88f.exe	92
PID 456 wrote to memory of 4392	456	21a7de03e23aa1d69a1e07deae33d88f.exe	92

C:\Users\Admin\AppData\Local\Temp\21a7de03e23aa1d69a1e07deae33d88f.exe
"C:\Users\Admin\AppData\Local\Temp\21a7de03e23aa1d69a1e07deae33d88f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:456
- C:\sintia_update\actualizacion.exe
  "C:\sintia_update\actualizacion.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\sintia_update\Actualizacion.exe

Filesize
96KB

MD5
5470f03c4bcaec5a53e70a427ca36e78

SHA1
49f83fbc3cbf2d2f74ddae6b3b3768996762f9b2

SHA256
f298bcac70ae491e164085ae4f02ef92417565f448ec8386395af61a5ed5f3f1

SHA512
8a97c6cc48a9ddad08f84396dde34437f926a44d740cb2b72d74344fe10968c28cb8195f9809d8d0b93b3eae4a49d455ce1184fbe465d8f508953fd1bebbc0f8

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