1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
13-10-2022 22:30

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General

Target

1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe
Size

68KB
MD5

6905e9e6ec69c8f324f51d755f8a85f0
SHA1

18b8badd020675e0251c7431899c58de4fb76533
SHA256

1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f
SHA512

d2fe44141c5cead5d9bcdb0100c90ff0f749b608520963c173a10018585213b6d10b9c4fe52a430324110332bb8a64c267805bc873f9d6dc4cea91b84b201f16
SSDEEP

1536:MbmaGlRCR0dYRrdhSBbWOGlZoLLmCI6DDjA+DjcqxoY3:Mb6bFcdYBHGlZoLmCI6DAcDF

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2016 takeown.exe
1760 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2016 takeown.exe
1760 icacls.exe

pid	process
2016	takeown.exe
1760	icacls.exe

pid	process
2016	takeown.exe
1760	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

description	ioc	process
File created	C:\Windows\SysWOW64\zllaf.exe	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe
File opened for modification	C:\Windows\SysWOW64\zllaf.exe	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

pid process

1048 1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

pid	process
1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

description	pid	process	target process
PID 1048 wrote to memory of 2016	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	takeown.exe
PID 1048 wrote to memory of 2016	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	takeown.exe
PID 1048 wrote to memory of 2016	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	takeown.exe
PID 1048 wrote to memory of 2016	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	takeown.exe
PID 1048 wrote to memory of 1760	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	icacls.exe
PID 1048 wrote to memory of 1760	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	icacls.exe
PID 1048 wrote to memory of 1760	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	icacls.exe
PID 1048 wrote to memory of 1760	1048	1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe
"C:\Users\Admin\AppData\Local\Temp\1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\zllaf.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2016

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\zllaf.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1760

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\zllaf.exe
Filesize
68KB

MD5
6905e9e6ec69c8f324f51d755f8a85f0

SHA1
18b8badd020675e0251c7431899c58de4fb76533

SHA256
1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f

SHA512
d2fe44141c5cead5d9bcdb0100c90ff0f749b608520963c173a10018585213b6d10b9c4fe52a430324110332bb8a64c267805bc873f9d6dc4cea91b84b201f16

Download Submit
memory/1048-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1760-59-0x0000000000000000-mapping.dmp

Download
memory/2016-57-0x0000000000000000-mapping.dmp

Download