c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99

Analysis

max time kernel
37s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-10-2022 16:52

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General

Target

c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe
Size

60KB
MD5

6d9d1b713010f998d8ad0627c7eb4680
SHA1

a4cf355a7dd9f37ba98dcf18b6672d75794a2cce
SHA256

c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99
SHA512

b58a56ea2d5addc79f237b5cc319d468f7878d8f90032400d126c517b1454abcfd54601339486e3fbff30973cca87d5dda92749257ebb596d2da38da15ee6457
SSDEEP

768:HoCjNyULSOTuYRFMGXGlS/F6S8qKGZLb47J1bH86wQ6wsZn1iu37rwIgg4eAuZ3o:HoiiMpGlFqKGZLb4FxLw7CIr4eA23o

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1804 takeown.exe
2044 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1804 takeown.exe
2044 icacls.exe

pid	process
1804	takeown.exe
2044	icacls.exe

pid	process
1804	takeown.exe
2044	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\ezasb.exe	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe
File opened for modification	\??\c:\windows\SysWOW64\ezasb.exe	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

pid process

1112 c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

pid	process
1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe

description	pid	process	target process
PID 1112 wrote to memory of 1804	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	takeown.exe
PID 1112 wrote to memory of 1804	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	takeown.exe
PID 1112 wrote to memory of 1804	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	takeown.exe
PID 1112 wrote to memory of 1804	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	takeown.exe
PID 1112 wrote to memory of 2044	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	icacls.exe
PID 1112 wrote to memory of 2044	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	icacls.exe
PID 1112 wrote to memory of 2044	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	icacls.exe
PID 1112 wrote to memory of 2044	1112	c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe
"C:\Users\Admin\AppData\Local\Temp\c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\ezasb.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1804

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\ezasb.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2044

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\ezasb.exe
Filesize
60KB

MD5
6d9d1b713010f998d8ad0627c7eb4680

SHA1
a4cf355a7dd9f37ba98dcf18b6672d75794a2cce

SHA256
c0113ec2f55feb9f2972be3ad76f75f2fc8bcdd0e4085509f9420f5dff38ba99

SHA512
b58a56ea2d5addc79f237b5cc319d468f7878d8f90032400d126c517b1454abcfd54601339486e3fbff30973cca87d5dda92749257ebb596d2da38da15ee6457

Download Submit
memory/1804-56-0x0000000000000000-mapping.dmp

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

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