3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d

Analysis

max time kernel
29s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
20-11-2022 09:01

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General

Target

3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe
Size

60KB
MD5

32bc0de29c2dc883d3975d64cc173420
SHA1

11ed5a99aba0928280212df3a9e4fceaef3823ed
SHA256

3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d
SHA512

1b8509548c2304062c8fb343412d2d1734f2625546d6121645cad373614c6caffff6fb20210226925b64eecb0e918d2e3fea8347f2940bf1e7d87a06bdf72e48
SSDEEP

768:rHp60gHRLEzcyjzVFSAdSq6frf5hrSvwEkaKZj4X0BYKBIl2A21bICZo4:rH6xv6xds5hrNsKSUlo4

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2040 takeown.exe
952 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2040 takeown.exe
952 icacls.exe

pid	process
2040	takeown.exe
952	icacls.exe

pid	process
2040	takeown.exe
952	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\mexw.exe	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe
File opened for modification	\??\c:\windows\SysWOW64\mexw.exe	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

pid process

1356 3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

pid	process
1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe

description	pid	process	target process
PID 1356 wrote to memory of 2040	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	takeown.exe
PID 1356 wrote to memory of 2040	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	takeown.exe
PID 1356 wrote to memory of 2040	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	takeown.exe
PID 1356 wrote to memory of 2040	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	takeown.exe
PID 1356 wrote to memory of 952	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	icacls.exe
PID 1356 wrote to memory of 952	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	icacls.exe
PID 1356 wrote to memory of 952	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	icacls.exe
PID 1356 wrote to memory of 952	1356	3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe
"C:\Users\Admin\AppData\Local\Temp\3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\mexw.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2040

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\mexw.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\mexw.exe
Filesize
60KB

MD5
32bc0de29c2dc883d3975d64cc173420

SHA1
11ed5a99aba0928280212df3a9e4fceaef3823ed

SHA256
3cdc45cc58371789945cbd741ba2ae18bee3847c8523cc4943b650d3e53d2c1d

SHA512
1b8509548c2304062c8fb343412d2d1734f2625546d6121645cad373614c6caffff6fb20210226925b64eecb0e918d2e3fea8347f2940bf1e7d87a06bdf72e48

Download Submit
memory/952-57-0x0000000000000000-mapping.dmp

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memory/2040-56-0x0000000000000000-mapping.dmp

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