9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb

Analysis

max time kernel
136s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 08:08

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General

Target

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe
Size

36KB
MD5

23024ab23bc365bf0717613331c85840
SHA1

067ae2baea2307912787cbadfc90eaf21b7cf164
SHA256

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb
SHA512

34a42f4e043ff4c1c0e0be4340b39a8f727ff6d3a25477971761f2573b14f84e2ba6b337038c4c3df73f0741fbe9f66beb752ad136a5efaa7103bfbeda3f3946
SSDEEP

768:/8RqF9c6joihMjC3aREIxR7RpHaC4rwudv:/0+ijbpujrwudv

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

888 icacls.exe
1956 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1956 takeown.exe
888 icacls.exe

pid	process
888	icacls.exe
1956	takeown.exe

pid	process
1956	takeown.exe
888	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wCzP = "C:\\Windows\\system32\\ogot.exe"	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

Drops file in System32 directory 2 IoCs

Processes:

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ogot.exe	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe
File opened for modification	C:\Windows\SysWOW64\ogot.exe	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

pid process

2920 9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

pid	process
2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe

description	pid	process	target process
PID 2920 wrote to memory of 1956	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	takeown.exe
PID 2920 wrote to memory of 1956	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	takeown.exe
PID 2920 wrote to memory of 1956	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	takeown.exe
PID 2920 wrote to memory of 888	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	icacls.exe
PID 2920 wrote to memory of 888	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	icacls.exe
PID 2920 wrote to memory of 888	2920	9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe
"C:\Users\Admin\AppData\Local\Temp\9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\ogot.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1956

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\ogot.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:888

Network

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\ogot.exe
Filesize
36KB

MD5
23024ab23bc365bf0717613331c85840

SHA1
067ae2baea2307912787cbadfc90eaf21b7cf164

SHA256
9088e7b1bf89bffec1b77928eb704eb7d1317c6957345e0a68f5a3679ef3befb

SHA512
34a42f4e043ff4c1c0e0be4340b39a8f727ff6d3a25477971761f2573b14f84e2ba6b337038c4c3df73f0741fbe9f66beb752ad136a5efaa7103bfbeda3f3946

Download Submit
memory/888-135-0x0000000000000000-mapping.dmp

Download
memory/1956-134-0x0000000000000000-mapping.dmp

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