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

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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

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Downloads

C:\Windows\SysWOW64\orpis.exe
Filesize
36KB

MD5
08282aa746414124f37ed4887f5fbd86

SHA1
eb20a16550a6b816f058103be555f695a546a908

SHA256
b96d8ce3c57cd4882ea75c04d20c1ac7e0792b553c61188ea8c955bc97572ac3

SHA512
f24f1391e52bc76eab535391b17dfb63eb9bd8858b33bcb0ff114b0db583ac5b8139acd65d8761b99d54255d9fc1287acda683708d2af539a5be4bf65b68649f

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

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

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