b3a6f40bd2accf9e1e2f96783d6933c8265cdf4e06555e2fdee570ce88789949

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 11:34

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General

Target

5b22bd0d6fb4ca2e92b1a2a283d4af90.exe
Size

3.3MB
MD5

5b22bd0d6fb4ca2e92b1a2a283d4af90
SHA1

930f9e476aea45d44fe84d6b33a2752b67ae1cb4
SHA256

b3a6f40bd2accf9e1e2f96783d6933c8265cdf4e06555e2fdee570ce88789949
SHA512

b66180e304fd219643f76f4cdfd767c11bbc7e50f9a7cc3db99d946afb72c0a83a9d4ed1bc694a397bb368db18cb900015d670b2b0fa3bfe675d16c25941c059
SSDEEP

98304:K/YDZAZocXqTJ8WU9eslmiHNPY/Jef3pcIqwofxJJlQ2qx+7C6:gYdAZHXE8WU9JllHDhVofT0YZ

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Wapp = "C:\\Arquivos de programas\\Wapp.exe"	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Menu Iniciar\Iniciar\Wapp.exe	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe
File created	C:\WINDOWS\system\Logfile.txt	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2040	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1760	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2040	1760	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe	19
PID 1760 wrote to memory of 2040	1760	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe	19
PID 1760 wrote to memory of 2040	1760	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe	19
PID 1760 wrote to memory of 2040	1760	5b22bd0d6fb4ca2e92b1a2a283d4af90.exe	19

C:\Users\Admin\AppData\Local\Temp\5b22bd0d6fb4ca2e92b1a2a283d4af90.exe
"C:\Users\Admin\AppData\Local\Temp\5b22bd0d6fb4ca2e92b1a2a283d4af90.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:2040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1760-2-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1760-1-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-3-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-5-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-6-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-7-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-8-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-9-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-10-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-11-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-12-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-13-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-14-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-15-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download
memory/1760-16-0x0000000000400000-0x00000000015E1000-memory.dmp

Filesize
17.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads