f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28-10-2022 23:54

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General

Target

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe
Size

48KB
MD5

00170a3b55eb74baea75ccecc1b26281
SHA1

a1283b97699a17a691637da24d6ea6ab32090fb4
SHA256

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6
SHA512

d5db0a076cf4de70eaf7407c87e0e66c053acd5091358ad03ee2e51b0473af801c2d561f70e14b1e7d900b44d1e2d46094c2f2b552e5eec68a4950f070ca8742
SSDEEP

768:/wlvcHH7nua2oRSCAVnyTSTPdGAz73DfFc1EXsc:YlvcnzSymT1c1msc

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1188 takeown.exe
1252 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1188 takeown.exe
1252 icacls.exe

pid	process
1188	takeown.exe
1252	icacls.exe

pid	process
1188	takeown.exe
1252	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\okFd = "c:\\windows\\system32\\eoov.exe"	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

Drops file in System32 directory 2 IoCs

Processes:

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\eoov.exe	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe
File opened for modification	\??\c:\windows\SysWOW64\eoov.exe	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

pid process

620 f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

pid	process
620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe

description	pid	process	target process
PID 620 wrote to memory of 1188	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	takeown.exe
PID 620 wrote to memory of 1188	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	takeown.exe
PID 620 wrote to memory of 1188	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	takeown.exe
PID 620 wrote to memory of 1188	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	takeown.exe
PID 620 wrote to memory of 1252	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	icacls.exe
PID 620 wrote to memory of 1252	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	icacls.exe
PID 620 wrote to memory of 1252	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	icacls.exe
PID 620 wrote to memory of 1252	620	f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe
"C:\Users\Admin\AppData\Local\Temp\f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "c:\windows\system32\eoov.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1188

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "c:\windows\system32\eoov.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1252

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\eoov.exe
Filesize
48KB

MD5
00170a3b55eb74baea75ccecc1b26281

SHA1
a1283b97699a17a691637da24d6ea6ab32090fb4

SHA256
f6b922e0b192cc27c25caa753fb58b03f243b7008e198bd5ec67fb98b3d757a6

SHA512
d5db0a076cf4de70eaf7407c87e0e66c053acd5091358ad03ee2e51b0473af801c2d561f70e14b1e7d900b44d1e2d46094c2f2b552e5eec68a4950f070ca8742

Download Submit
memory/1188-56-0x0000000000000000-mapping.dmp

Download
memory/1252-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads