2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19-11-2022 00:12

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General

Target

2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe
Size

72KB
MD5

1b870218cf2d6a0d33a7f52dbf5bcce1
SHA1

b3767e9b9f5f8c6911adf0d390cd567f0ad4efb4
SHA256

2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed
SHA512

d0b43096efbac642b90ef6ce6db0ed417d6bb39d91049935317cdf0b07823fb812bea41d4fc89b654e985df00adf0d412e6a4cdaccebbe0ac83726721054f084
SSDEEP

1536:mD7BoolMEe71MOUOY0n0hQoTM4xxRkq+dBO:mD+eMdBT7Yw0hQs3V+fO

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

976 takeown.exe
888 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

976 takeown.exe
888 icacls.exe

pid	process
976	takeown.exe
888	icacls.exe

pid	process
976	takeown.exe
888	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ctnt.exe	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe
File opened for modification	C:\Windows\SysWOW64\ctnt.exe	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

pid process

1064 2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

pid	process
1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe

description	pid	process	target process
PID 1064 wrote to memory of 976	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	takeown.exe
PID 1064 wrote to memory of 976	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	takeown.exe
PID 1064 wrote to memory of 976	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	takeown.exe
PID 1064 wrote to memory of 976	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	takeown.exe
PID 1064 wrote to memory of 888	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	icacls.exe
PID 1064 wrote to memory of 888	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	icacls.exe
PID 1064 wrote to memory of 888	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	icacls.exe
PID 1064 wrote to memory of 888	1064	2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe
"C:\Users\Admin\AppData\Local\Temp\2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\ctnt.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:976

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\ctnt.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:888

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

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Downloads

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

MD5
1b870218cf2d6a0d33a7f52dbf5bcce1

SHA1
b3767e9b9f5f8c6911adf0d390cd567f0ad4efb4

SHA256
2b6200b7809e8ee17d4294be04c6312d3ab8b542c639db8e6d88d7f9e2c536ed

SHA512
d0b43096efbac642b90ef6ce6db0ed417d6bb39d91049935317cdf0b07823fb812bea41d4fc89b654e985df00adf0d412e6a4cdaccebbe0ac83726721054f084

Download Submit
memory/888-59-0x0000000000000000-mapping.dmp

Download
memory/976-57-0x0000000000000000-mapping.dmp

Download
memory/1064-56-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

Filesize
8KB

Download