1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef

Analysis

max time kernel
39s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

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

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General

Target

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe
Size

48KB
MD5

69f8758ed98e98659611e7cfbbeddcc0
SHA1

2206ad1f11531b07bbbd08eef062844ce8944738
SHA256

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef
SHA512

fd6a21e4b7dd377361df777a53830c48fbeacf4fcd3a3d57b6a8cd8dd89b541896fc179ca63ad2f19349e4604d1bed9c1cbb9b343b0e102cd1f83e50f9cca4f9
SSDEEP

768:OPMZ3019DwIjKTGxzNqGXBUGDyMefu+HxCRICXY8:lxOcDkpqGxPReW+OTY8

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1712 takeown.exe
1532 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1712 takeown.exe
1532 icacls.exe

pid	process
1712	takeown.exe
1532	icacls.exe

pid	process
1712	takeown.exe
1532	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ukYtoYs = "c:\\windows\\system32\\twvi.exe"	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

Drops file in System32 directory 2 IoCs

Processes:

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\twvi.exe	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe
File opened for modification	\??\c:\windows\SysWOW64\twvi.exe	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

pid process

1412 1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

pid	process
1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe

description	pid	process	target process
PID 1412 wrote to memory of 1712	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	takeown.exe
PID 1412 wrote to memory of 1712	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	takeown.exe
PID 1412 wrote to memory of 1712	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	takeown.exe
PID 1412 wrote to memory of 1712	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	takeown.exe
PID 1412 wrote to memory of 1532	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	icacls.exe
PID 1412 wrote to memory of 1532	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	icacls.exe
PID 1412 wrote to memory of 1532	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	icacls.exe
PID 1412 wrote to memory of 1532	1412	1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe
"C:\Users\Admin\AppData\Local\Temp\1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\twvi.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1712

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\twvi.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1532

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\c:\windows\SysWOW64\twvi.exe
Filesize
48KB

MD5
69f8758ed98e98659611e7cfbbeddcc0

SHA1
2206ad1f11531b07bbbd08eef062844ce8944738

SHA256
1173400cdefe36f7dfa28790aa48565b85147686cc6383f0ca78f4c429246aef

SHA512
fd6a21e4b7dd377361df777a53830c48fbeacf4fcd3a3d57b6a8cd8dd89b541896fc179ca63ad2f19349e4604d1bed9c1cbb9b343b0e102cd1f83e50f9cca4f9

Download Submit
memory/1532-57-0x0000000000000000-mapping.dmp

Download
memory/1712-56-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads