d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48

Analysis

max time kernel
40s
max time network
43s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 21:29

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General

Target

d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe
Size

72KB
MD5

0b395f3aea7877f5c87cba043b8b3936
SHA1

b518ad66a9adecc3bcd8611dbd878b8e31e4d146
SHA256

d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48
SHA512

7a91c1ad8dab0420b1258029f24ffcafdd4f6be4f32faeb1410400224820f4356f06403d318f38dcff076ff2d13d3df0a6e8781a000c36d2835285c852e4229f
SSDEEP

768:gbxhVsnrcN1Mdu2s5kDjFz8D83ksomhjfEyHRd7+c+qL6HYKi6BuM80JpBjPXgv:gbxhzT2jbUm5lHP7+N6MTJHrgv

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1992 takeown.exe
1440 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1992 takeown.exe
1440 icacls.exe

pid	process
1992	takeown.exe
1440	icacls.exe

pid	process
1992	takeown.exe
1440	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

description	ioc	process
File created	C:\Windows\SysWOW64\qpvtu.exe	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe
File opened for modification	C:\Windows\SysWOW64\qpvtu.exe	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

pid process

1636 d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

pid	process
1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe

description	pid	process	target process
PID 1636 wrote to memory of 1992	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	takeown.exe
PID 1636 wrote to memory of 1992	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	takeown.exe
PID 1636 wrote to memory of 1992	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	takeown.exe
PID 1636 wrote to memory of 1992	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	takeown.exe
PID 1636 wrote to memory of 1440	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	icacls.exe
PID 1636 wrote to memory of 1440	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	icacls.exe
PID 1636 wrote to memory of 1440	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	icacls.exe
PID 1636 wrote to memory of 1440	1636	d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe
"C:\Users\Admin\AppData\Local\Temp\d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\qpvtu.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1992

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\qpvtu.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1440

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\qpvtu.exe
Filesize
72KB

MD5
0b395f3aea7877f5c87cba043b8b3936

SHA1
b518ad66a9adecc3bcd8611dbd878b8e31e4d146

SHA256
d157c219b89a630caef4b4100d037961c7e7cd20529d8a83a1112a9d58e91e48

SHA512
7a91c1ad8dab0420b1258029f24ffcafdd4f6be4f32faeb1410400224820f4356f06403d318f38dcff076ff2d13d3df0a6e8781a000c36d2835285c852e4229f

Download Submit
memory/1440-59-0x0000000000000000-mapping.dmp

Download
memory/1636-56-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download
memory/1992-57-0x0000000000000000-mapping.dmp

Download