e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1

Analysis

max time kernel
38s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 21:10

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General

Target

e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe
Size

56KB
MD5

0b7be4f2a06ae6e94bfe0c22c5d2caa0
SHA1

1ea53253d49c572fd424a05c5f3b820c3bdb27ea
SHA256

e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1
SHA512

4f0fd990fad84dfcbbe02ea0fa01843f738bd3ce29ed42c4519d519000fe65cce4c5877ec9ebd30130b2675fa98beb5b93060551d520a1b0ad6e263b9717a0ad
SSDEEP

768:napMKCYujBxfs2J4+5dpw8k8EcsXpIoPIog4z27eIgubraBUyj7z7p2TNeoKmsKd:nGMbX8ssI5puPC

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1964 takeown.exe
852 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1964 takeown.exe
852 icacls.exe

pid	process
1964	takeown.exe
852	icacls.exe

pid	process
1964	takeown.exe
852	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\ktbg.exe	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe
File opened for modification	\??\c:\windows\SysWOW64\ktbg.exe	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

pid process

2000 e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

pid	process
2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

description	pid	process	target process
PID 2000 wrote to memory of 1964	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	takeown.exe
PID 2000 wrote to memory of 1964	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	takeown.exe
PID 2000 wrote to memory of 1964	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	takeown.exe
PID 2000 wrote to memory of 1964	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	takeown.exe
PID 2000 wrote to memory of 852	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	icacls.exe
PID 2000 wrote to memory of 852	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	icacls.exe
PID 2000 wrote to memory of 852	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	icacls.exe
PID 2000 wrote to memory of 852	2000	e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe
"C:\Users\Admin\AppData\Local\Temp\e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\ktbg.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1964

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\ktbg.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:852

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\ktbg.exe
Filesize
56KB

MD5
0b7be4f2a06ae6e94bfe0c22c5d2caa0

SHA1
1ea53253d49c572fd424a05c5f3b820c3bdb27ea

SHA256
e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1

SHA512
4f0fd990fad84dfcbbe02ea0fa01843f738bd3ce29ed42c4519d519000fe65cce4c5877ec9ebd30130b2675fa98beb5b93060551d520a1b0ad6e263b9717a0ad

Download Submit
memory/852-57-0x0000000000000000-mapping.dmp

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memory/1964-56-0x0000000000000000-mapping.dmp

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