cc48d8c645c27dd850652c0a66e22dd2e1b62bbf6ad208f94b8f5847684a8d17

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 14:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

informe_payload.exe
Size

32KB
MD5

8606faa60b008da0ce43437dc81be1e2
SHA1

13444f825362a6a946b3a91b13784d78fe3fc422
SHA256

4de3dde86d66424d79fcb561ace579d6b22919f52505aa177bd161bcf4157c4f
SHA512

e23e310399baf03034b51f1be445ea01a6ef2ec4f82da43af6c4639dc28834d49119ddb83f40019ff6c9b45124da637d579ef5289620a13a7078284c7fead33b
SSDEEP

384:3ZzPGPxHwgaWu7/+ulyEMZBSbtR+aHD7N9wUjOreoKxDIqPODwPMShkm/cbFk1GJ:3FqiDZZgzw0qBPbhbO9Ysax58svre

Score

7^/10

persistence

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

Processes:

informe_payload.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	informe_payload.exe

Executes dropped EXE 1 IoCs

Processes:

winlogon.exe

pid process

3244 winlogon.exe

pid	process
3244	winlogon.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SunJavaUpdateSched = "\"C:\\windows\\winlogon.exe\""	winlogon.exe

Drops file in Windows directory 2 IoCs

Processes:

informe_payload.exe

description	ioc	process
File created	\??\c:\windows\winlogon.exe	informe_payload.exe
File opened for modification	\??\c:\windows\winlogon.exe	informe_payload.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

informe_payload.exe

description	pid	process	target process
PID 1560 wrote to memory of 3244	1560	informe_payload.exe	winlogon.exe
PID 1560 wrote to memory of 3244	1560	informe_payload.exe	winlogon.exe
PID 1560 wrote to memory of 3244	1560	informe_payload.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\informe_payload.exe
"C:\Users\Admin\AppData\Local\Temp\informe_payload.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1560
- C:\windows\winlogon.exe
  "C:\windows\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\winlogon.exe

Filesize
32KB

MD5
8606faa60b008da0ce43437dc81be1e2

SHA1
13444f825362a6a946b3a91b13784d78fe3fc422

SHA256
4de3dde86d66424d79fcb561ace579d6b22919f52505aa177bd161bcf4157c4f

SHA512
e23e310399baf03034b51f1be445ea01a6ef2ec4f82da43af6c4639dc28834d49119ddb83f40019ff6c9b45124da637d579ef5289620a13a7078284c7fead33b

Download Submit
memory/1560-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3244-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3244-11-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download