b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 13:44

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General

Target

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe
Size

36KB
MD5

6aed9809f8dedf5a2ca4d872e432aeb0
SHA1

59ef52703adfbda6a06d41ae1c739c015b5167bd
SHA256

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796
SHA512

23f12f498f5b1ed8e9952c9ce837460aa01a78b7f0d6105e9597a20a73513c5e1cd2ea7860c4013b574efa0f25548c0660ca57817ae686a912097fff186d9b9d
SSDEEP

768:/2EFOQ2zcv3XkXfwwrLZbDvytKB7AgzzZKfp6jt3M:/2jbwkdDAKB7w6J3M

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

3716 takeown.exe
2276 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

3716 takeown.exe
2276 icacls.exe

pid	process
3716	takeown.exe
2276	icacls.exe

pid	process
3716	takeown.exe
2276	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wXLq = "C:\\Windows\\system32\\ftsd.exe"	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

Drops file in System32 directory 2 IoCs

Processes:

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ftsd.exe	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe
File opened for modification	C:\Windows\SysWOW64\ftsd.exe	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

pid process

2240 b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

pid	process
2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe

description	pid	process	target process
PID 2240 wrote to memory of 3716	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	takeown.exe
PID 2240 wrote to memory of 3716	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	takeown.exe
PID 2240 wrote to memory of 3716	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	takeown.exe
PID 2240 wrote to memory of 2276	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	icacls.exe
PID 2240 wrote to memory of 2276	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	icacls.exe
PID 2240 wrote to memory of 2276	2240	b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe
"C:\Users\Admin\AppData\Local\Temp\b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\ftsd.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:3716

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\ftsd.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:2276

Network

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

Replay Monitor

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Downloads

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

MD5
6aed9809f8dedf5a2ca4d872e432aeb0

SHA1
59ef52703adfbda6a06d41ae1c739c015b5167bd

SHA256
b7967c759f798ad36883d8bbaa5913e1541fe8fe86b7a43f93c38bb92b05a796

SHA512
23f12f498f5b1ed8e9952c9ce837460aa01a78b7f0d6105e9597a20a73513c5e1cd2ea7860c4013b574efa0f25548c0660ca57817ae686a912097fff186d9b9d

Download Submit
memory/2276-135-0x0000000000000000-mapping.dmp

Download
memory/3716-134-0x0000000000000000-mapping.dmp

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