b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-11-2022 00:52

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General

Target

b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe
Size

72KB
MD5

01f6095e9233d573735bf7259e77cfa0
SHA1

99e9cb8218c9cedbda549bd89c9a9ea042e82429
SHA256

b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d
SHA512

fba85b2de806410ddfac757b13bc99ecda13d65426bd877e879850e3cb6adaa41acd54d41c75b0d38e112678466238ca8a35b6422b58fc8ededd903a0fdb9534
SSDEEP

768:zOIQSy04XAT0qRNzOr1oLlDN/7bsM2YbvQw2aRZYWSToF6/VbKTZErBqjCm1oFCy:zOIXvRlhvQw2aAtvD4lyA1XdIF9iU

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

1200 icacls.exe
1860 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1860 takeown.exe
1200 icacls.exe

pid	process
1200	icacls.exe
1860	takeown.exe

pid	process
1860	takeown.exe
1200	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rzdr.exe	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe
File opened for modification	C:\Windows\SysWOW64\rzdr.exe	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

pid process

1928 b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

pid	process
1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe

description	pid	process	target process
PID 1928 wrote to memory of 1860	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	takeown.exe
PID 1928 wrote to memory of 1860	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	takeown.exe
PID 1928 wrote to memory of 1860	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	takeown.exe
PID 1928 wrote to memory of 1860	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	takeown.exe
PID 1928 wrote to memory of 1200	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	icacls.exe
PID 1928 wrote to memory of 1200	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	icacls.exe
PID 1928 wrote to memory of 1200	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	icacls.exe
PID 1928 wrote to memory of 1200	1928	b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe
"C:\Users\Admin\AppData\Local\Temp\b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\rzdr.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1860

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\rzdr.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1200

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\rzdr.exe
Filesize
72KB

MD5
01f6095e9233d573735bf7259e77cfa0

SHA1
99e9cb8218c9cedbda549bd89c9a9ea042e82429

SHA256
b6e72782467f71868c87f50df0e66f3e4eadca8a332cc0bc4fea1b549e27cc8d

SHA512
fba85b2de806410ddfac757b13bc99ecda13d65426bd877e879850e3cb6adaa41acd54d41c75b0d38e112678466238ca8a35b6422b58fc8ededd903a0fdb9534

Download Submit
memory/1200-59-0x0000000000000000-mapping.dmp

Download
memory/1860-57-0x0000000000000000-mapping.dmp

Download
memory/1928-56-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download