48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e

Analysis

max time kernel
38s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-11-2022 13:19

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General

Target

48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe
Size

60KB
MD5

0ff6ccecab3995236b61eb0414f1fe01
SHA1

0b8ac51b431d4824e8c981e1d7e61da930078023
SHA256

48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e
SHA512

7f2a137e796009ec5485809204b84727d7a1399aff355effc098e26bf44525f17c6e911af78e49a4701cd3707ecea362835c9d763179448f7f2cf0580305dee3
SSDEEP

768:zQR647TckZJao4cReKwxvl4O5DaaXnmTQ8zt0SqAymfat4RZIa:zQ44ske/hxvlf5DaaX+fhIa

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1400 takeown.exe
1444 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exetakeown.exe

pid process

1444 icacls.exe
1400 takeown.exe

pid	process
1400	takeown.exe
1444	icacls.exe

pid	process
1444	icacls.exe
1400	takeown.exe

Drops file in System32 directory 2 IoCs

Processes:

48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\jmici.exe	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe
File opened for modification	\??\c:\windows\SysWOW64\jmici.exe	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

pid process

2020 48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

pid	process
2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe

description	pid	process	target process
PID 2020 wrote to memory of 1400	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	takeown.exe
PID 2020 wrote to memory of 1400	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	takeown.exe
PID 2020 wrote to memory of 1400	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	takeown.exe
PID 2020 wrote to memory of 1400	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	takeown.exe
PID 2020 wrote to memory of 1444	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	icacls.exe
PID 2020 wrote to memory of 1444	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	icacls.exe
PID 2020 wrote to memory of 1444	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	icacls.exe
PID 2020 wrote to memory of 1444	2020	48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe
"C:\Users\Admin\AppData\Local\Temp\48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\jmici.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1400

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\jmici.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1444

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\jmici.exe
Filesize
60KB

MD5
0ff6ccecab3995236b61eb0414f1fe01

SHA1
0b8ac51b431d4824e8c981e1d7e61da930078023

SHA256
48d17e9fa01381c467e586c6d37227affe8b1ed503449f2af63e44ecec06946e

SHA512
7f2a137e796009ec5485809204b84727d7a1399aff355effc098e26bf44525f17c6e911af78e49a4701cd3707ecea362835c9d763179448f7f2cf0580305dee3

Download Submit
memory/1400-56-0x0000000000000000-mapping.dmp

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memory/1444-57-0x0000000000000000-mapping.dmp

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