355fd69e61357670cd0ec8f19d2a17648d5e0855e45c5039fbb70396676fd2fd

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 11:40

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General

Target

c0812c3e0e084ed94b0b93d9e6d423be.exe
Size

3.5MB
MD5

c0812c3e0e084ed94b0b93d9e6d423be
SHA1

4789a8fa78a194a70b29e1b6d4f42dae4eac14c7
SHA256

355fd69e61357670cd0ec8f19d2a17648d5e0855e45c5039fbb70396676fd2fd
SHA512

b7f96d7cbabd8d361d1ff285f26e91be9ed973d6a6af6184f1b270ae4271c4a132045ce76c4890f9cf647c08f933eecb4e51f6228724dc9dbe302193b9eab413
SSDEEP

98304:E0oCPluN81C82ZO6KN+rglU0MsfmZDar5cS1pfQB7IuFwhH:E0pAO882ZVgzeZDciJ7AH

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1540-0-0x0000000000400000-0x0000000000CA0000-memory.dmp	upx
behavioral1/memory/1540-4-0x0000000000400000-0x0000000000CA0000-memory.dmp	upx
behavioral1/memory/1540-5-0x0000000000400000-0x0000000000CA0000-memory.dmp	upx
behavioral1/memory/1540-6-0x0000000000400000-0x0000000000CA0000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\avg = "C:\\Arquivos de programas\\avg.exe"	c0812c3e0e084ed94b0b93d9e6d423be.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\System32\\svchosts.exe"	c0812c3e0e084ed94b0b93d9e6d423be.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchosts.exe	c0812c3e0e084ed94b0b93d9e6d423be.exe
File created	C:\Windows\SysWOW64\svchosts.exe	c0812c3e0e084ed94b0b93d9e6d423be.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\windows\vx.dll	c0812c3e0e084ed94b0b93d9e6d423be.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1540	c0812c3e0e084ed94b0b93d9e6d423be.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 2740	1540	c0812c3e0e084ed94b0b93d9e6d423be.exe	28
PID 1540 wrote to memory of 2740	1540	c0812c3e0e084ed94b0b93d9e6d423be.exe	28
PID 1540 wrote to memory of 2740	1540	c0812c3e0e084ed94b0b93d9e6d423be.exe	28
PID 1540 wrote to memory of 2740	1540	c0812c3e0e084ed94b0b93d9e6d423be.exe	28

C:\Users\Admin\AppData\Local\Temp\c0812c3e0e084ed94b0b93d9e6d423be.exe
"C:\Users\Admin\AppData\Local\Temp\c0812c3e0e084ed94b0b93d9e6d423be.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\cmd.exe
  cmd /k C:\tuto.exe
  2⤵
  PID:2740

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1540-0-0x0000000000400000-0x0000000000CA0000-memory.dmp

Filesize
8.6MB

Download
memory/1540-1-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1540-4-0x0000000000400000-0x0000000000CA0000-memory.dmp

Filesize
8.6MB

Download
memory/1540-5-0x0000000000400000-0x0000000000CA0000-memory.dmp

Filesize
8.6MB

Download
memory/1540-6-0x0000000000400000-0x0000000000CA0000-memory.dmp

Filesize
8.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads