5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87

Analysis

max time kernel
23s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-11-2022 23:47

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General

Target

5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe
Size

72KB
MD5

075b73592c08fd0604e48e60cb52f366
SHA1

a5d28e0f1672d3fee73bf943bc6d20cf5c758909
SHA256

5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87
SHA512

ceeea2b98e872b9d2f8ee770cbcad5e8d52d1316ad0c5f2648c6e41452ca7b7e612716b515115d859e813b7ef513f543ce8a87d2539d54f21f5c99aa3bdcc64b
SSDEEP

768:MuBZnI6DRbxol1NsA9WhJI8/ZshSq0t2mgkBYy7Yvu8BHvNV1enxlpCXL8ZcTf4+:MuBZnIdsvsz6FYyau8BPt2l589

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2044 takeown.exe
1116 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exetakeown.exe

pid process

1116 icacls.exe
2044 takeown.exe

pid	process
2044	takeown.exe
1116	icacls.exe

pid	process
1116	icacls.exe
2044	takeown.exe

Drops file in System32 directory 2 IoCs

Processes:

5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

description	ioc	process
File created	C:\Windows\SysWOW64\mtkk.exe	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe
File opened for modification	C:\Windows\SysWOW64\mtkk.exe	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

pid process

852 5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

pid	process
852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe

description	pid	process	target process
PID 852 wrote to memory of 2044	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	takeown.exe
PID 852 wrote to memory of 2044	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	takeown.exe
PID 852 wrote to memory of 2044	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	takeown.exe
PID 852 wrote to memory of 2044	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	takeown.exe
PID 852 wrote to memory of 1116	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	icacls.exe
PID 852 wrote to memory of 1116	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	icacls.exe
PID 852 wrote to memory of 1116	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	icacls.exe
PID 852 wrote to memory of 1116	852	5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe
"C:\Users\Admin\AppData\Local\Temp\5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\mtkk.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2044

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\mtkk.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1116

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\mtkk.exe
Filesize
72KB

MD5
075b73592c08fd0604e48e60cb52f366

SHA1
a5d28e0f1672d3fee73bf943bc6d20cf5c758909

SHA256
5d19c1d153654a8f8bc7a4898b18930ab667adcf6426b677c75872984dd66e87

SHA512
ceeea2b98e872b9d2f8ee770cbcad5e8d52d1316ad0c5f2648c6e41452ca7b7e612716b515115d859e813b7ef513f543ce8a87d2539d54f21f5c99aa3bdcc64b

Download Submit
memory/852-56-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1116-59-0x0000000000000000-mapping.dmp

Download
memory/2044-57-0x0000000000000000-mapping.dmp

Download