6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c

Analysis

max time kernel
36s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 18:14

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General

Target

6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe
Size

60KB
MD5

012c494a688a1391575c07c248fa3670
SHA1

26f1a39284707afdd67d694e4cdaf6aa63067554
SHA256

6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c
SHA512

feb1086a25290a00fc69f11781a4bb728bb99d07030f0127ccb19d7b22a906be993077d37eb8e6902b0fd90d289dcb2ad6e3a28c25e6a9b7f198f693435770cd
SSDEEP

768:rldDMoa080pMVxmAqEtlYav31/rjFYekDY0PtpXF3jaqz/Nd8GZcl:rldDMI3VEnYav3DsE2tRz/Ntcl

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1920 takeown.exe
1900 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1920 takeown.exe
1900 icacls.exe

pid	process
1920	takeown.exe
1900	icacls.exe

pid	process
1920	takeown.exe
1900	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\kubi.exe	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe
File opened for modification	\??\c:\windows\SysWOW64\kubi.exe	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

pid process

872 6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

pid	process
872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe

description	pid	process	target process
PID 872 wrote to memory of 1920	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	takeown.exe
PID 872 wrote to memory of 1920	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	takeown.exe
PID 872 wrote to memory of 1920	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	takeown.exe
PID 872 wrote to memory of 1920	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	takeown.exe
PID 872 wrote to memory of 1900	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	icacls.exe
PID 872 wrote to memory of 1900	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	icacls.exe
PID 872 wrote to memory of 1900	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	icacls.exe
PID 872 wrote to memory of 1900	872	6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe
"C:\Users\Admin\AppData\Local\Temp\6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\kubi.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1920

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\kubi.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1900

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\kubi.exe
Filesize
60KB

MD5
012c494a688a1391575c07c248fa3670

SHA1
26f1a39284707afdd67d694e4cdaf6aa63067554

SHA256
6a841320e49a1bff94ef9ad4f84f4a7f362b3b6ffc291ad235b5595f5d080e5c

SHA512
feb1086a25290a00fc69f11781a4bb728bb99d07030f0127ccb19d7b22a906be993077d37eb8e6902b0fd90d289dcb2ad6e3a28c25e6a9b7f198f693435770cd

Download Submit
memory/1900-57-0x0000000000000000-mapping.dmp

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memory/1920-56-0x0000000000000000-mapping.dmp

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