433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
04-10-2022 02:11

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General

Target

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
Size

40KB
MD5

045898fb4fc6526e8a6afc5597009056
SHA1

1b3cc90c6d85015370ae9f68fcafad6cf429687b
SHA256

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8
SHA512

71fcf3f3f9f31ebb7a85036160ebc043fb4b871307a617898d15690774cdf2b9b1bf3d36293d8def18b40b0fc7b719a0f32eac7126a8d082e2e02786c548115c
SSDEEP

768:/3NTI4ixr2+LwT6WgPEiqBCFIQAbm12yOHYwpIfpVMyXM6:/NGSXQlOGfpVMyc6

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

948 takeown.exe
984 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

948 takeown.exe
984 icacls.exe

pid	process
948	takeown.exe
984	icacls.exe

pid	process
948	takeown.exe
984	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Daa = "C:\\Windows\\system32\\oncny.exe"	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

Drops file in System32 directory 2 IoCs

Processes:

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

description	ioc	process
File created	C:\Windows\SysWOW64\oncny.exe	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
File opened for modification	C:\Windows\SysWOW64\oncny.exe	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

pid process

1048 433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

pid	process
1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe

description	pid	process	target process
PID 1048 wrote to memory of 948	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	takeown.exe
PID 1048 wrote to memory of 948	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	takeown.exe
PID 1048 wrote to memory of 948	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	takeown.exe
PID 1048 wrote to memory of 948	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	takeown.exe
PID 1048 wrote to memory of 984	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	icacls.exe
PID 1048 wrote to memory of 984	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	icacls.exe
PID 1048 wrote to memory of 984	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	icacls.exe
PID 1048 wrote to memory of 984	1048	433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe
"C:\Users\Admin\AppData\Local\Temp\433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\oncny.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:948

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\oncny.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:984

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\oncny.exe
Filesize
40KB

MD5
045898fb4fc6526e8a6afc5597009056

SHA1
1b3cc90c6d85015370ae9f68fcafad6cf429687b

SHA256
433315d9a9856629fc75c1bccc8fe7a23af36c037503a9a67689f087e0d915b8

SHA512
71fcf3f3f9f31ebb7a85036160ebc043fb4b871307a617898d15690774cdf2b9b1bf3d36293d8def18b40b0fc7b719a0f32eac7126a8d082e2e02786c548115c

Download Submit
memory/948-56-0x0000000000000000-mapping.dmp

Download
memory/984-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads