f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 05:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe
Size

40KB
MD5

050416a9cdaf618b5bb3f8ec9067d256
SHA1

88937ad89ac57caf7a1944e129d66760687f6342
SHA256

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3
SHA512

7ab60552ead59a172a5e220157e2878703522b748068bf7aacac39a4822f4d67d2fec470b861dec4b7e520d92e7249c173f7a57ca75a008e37d596745e1cb81e
SSDEEP

768:/d0UfeEeJBdhlTrC/LKsvtwlb2PIUEmYjV5:/dZdwRm/Wsvt82PIVjV5

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

1540 icacls.exe
1056 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1056 takeown.exe
1540 icacls.exe

pid	process
1540	icacls.exe
1056	takeown.exe

pid	process
1056	takeown.exe
1540	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\tNHfT = "C:\\Windows\\system32\\kzhe.exe"	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

Drops file in System32 directory 2 IoCs

Processes:

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\kzhe.exe	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe
File created	C:\Windows\SysWOW64\kzhe.exe	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

pid process

5044 f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

pid	process
5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe

description	pid	process	target process
PID 5044 wrote to memory of 1056	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	takeown.exe
PID 5044 wrote to memory of 1056	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	takeown.exe
PID 5044 wrote to memory of 1056	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	takeown.exe
PID 5044 wrote to memory of 1540	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	icacls.exe
PID 5044 wrote to memory of 1540	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	icacls.exe
PID 5044 wrote to memory of 1540	5044	f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe
"C:\Users\Admin\AppData\Local\Temp\f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Windows\SysWOW64\takeown.exe
  C:\Windows\system32\takeown.exe /f "C:\Windows\system32\kzhe.exe"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:1056
- C:\Windows\SysWOW64\icacls.exe
  C:\Windows\system32\icacls.exe "C:\Windows\system32\kzhe.exe" /grant Users:F
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\kzhe.exe

Filesize
40KB

MD5
050416a9cdaf618b5bb3f8ec9067d256

SHA1
88937ad89ac57caf7a1944e129d66760687f6342

SHA256
f9580a877b01cf6fa1152605ac55b5aa8e2ee8b24aaf219aee8e8d0504bf60a3

SHA512
7ab60552ead59a172a5e220157e2878703522b748068bf7aacac39a4822f4d67d2fec470b861dec4b7e520d92e7249c173f7a57ca75a008e37d596745e1cb81e

Download Submit
memory/1056-134-0x0000000000000000-mapping.dmp

Download
memory/1540-135-0x0000000000000000-mapping.dmp

Download