b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3

Analysis

max time kernel
172s
max time network
200s
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 10:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe
Size

36KB
MD5

08282aa746414124f37ed4887f5fbd86
SHA1

eb20a16550a6b816f058103be555f695a546a908
SHA256

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3
SHA512

f24f1391e52bc76eab535391b17dfb63eb9bd8858b33bcb0ff114b0db583ac5b8139acd65d8761b99d54255d9fc1287acda683708d2af539a5be4bf65b68649f
SSDEEP

384:/TnZytCPvOQoIbxc2rXwv75ZVrUB4mPKNsrlk/FaIXumjKb/fcUssDRQsY54MHu:/1ytcvOQoIXgDlu3PKNsyMIem02sp0u

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2120 takeown.exe
4588 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2120 takeown.exe
4588 icacls.exe

pid	process
2120	takeown.exe
4588	icacls.exe

pid	process
2120	takeown.exe
4588	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YNF = "C:\\Windows\\system32\\orpis.exe"	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

Drops file in System32 directory 2 IoCs

Processes:

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

description	ioc	process
File created	C:\Windows\SysWOW64\orpis.exe	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe
File opened for modification	C:\Windows\SysWOW64\orpis.exe	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

pid process

4336 b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

pid	process
4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe

description	pid	process	target process
PID 4336 wrote to memory of 2120	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	takeown.exe
PID 4336 wrote to memory of 2120	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	takeown.exe
PID 4336 wrote to memory of 2120	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	takeown.exe
PID 4336 wrote to memory of 4588	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	icacls.exe
PID 4336 wrote to memory of 4588	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	icacls.exe
PID 4336 wrote to memory of 4588	4336	b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe
"C:\Users\Admin\AppData\Local\Temp\b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SysWOW64\takeown.exe
  C:\Windows\system32\takeown.exe /f "C:\Windows\system32\orpis.exe"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2120
- C:\Windows\SysWOW64\icacls.exe
  C:\Windows\system32\icacls.exe "C:\Windows\system32\orpis.exe" /grant Users:F
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:4588

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\orpis.exe

Filesize
36KB

MD5
08282aa746414124f37ed4887f5fbd86

SHA1
eb20a16550a6b816f058103be555f695a546a908

SHA256
b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3

SHA512
f24f1391e52bc76eab535391b17dfb63eb9bd8858b33bcb0ff114b0db583ac5b8139acd65d8761b99d54255d9fc1287acda683708d2af539a5be4bf65b68649f

Download Submit
memory/2120-134-0x0000000000000000-mapping.dmp

Download
memory/4588-135-0x0000000000000000-mapping.dmp

Download