d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669

Analysis

max time kernel
116s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2022 07:18

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General

Target

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe
Size

48KB
MD5

104ab8766fc88f48fc33c866b474d9c0
SHA1

d6970eff593fed99c48276e7eae44866f7dd90f8
SHA256

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669
SHA512

003d6a6f06e72d40bc63a994ea06828e4a5affe92ffc7c399f5100cc803e69737cc5c6f6aca423870d90ac7fa603ce452cc81ff0ac7f0035f20ea722bbb298a8
SSDEEP

768:pkoGc9fysKO7UYmEzu5rF9Nmv8hfTiO0W4GGqlQ+lyfVgqhX2Xn9:uvc/0VSTgn9

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

4836 takeown.exe
4692 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

4836 takeown.exe
4692 icacls.exe

pid	process
4836	takeown.exe
4692	icacls.exe

pid	process
4836	takeown.exe
4692	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\uCsQLJ = "c:\\windows\\system32\\nqbmy.exe"	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

Drops file in System32 directory 2 IoCs

Processes:

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

description	ioc	process
File created	\??\c:\windows\SysWOW64\nqbmy.exe	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe
File opened for modification	\??\c:\windows\SysWOW64\nqbmy.exe	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

pid process

3472 d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

pid	process
3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe

description	pid	process	target process
PID 3472 wrote to memory of 4836	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	takeown.exe
PID 3472 wrote to memory of 4836	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	takeown.exe
PID 3472 wrote to memory of 4836	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	takeown.exe
PID 3472 wrote to memory of 4692	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	icacls.exe
PID 3472 wrote to memory of 4692	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	icacls.exe
PID 3472 wrote to memory of 4692	3472	d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe
"C:\Users\Admin\AppData\Local\Temp\d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\takeown.exe
  C:\Windows\system32\takeown.exe /f "c:\windows\system32\nqbmy.exe"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:4836
- C:\Windows\SysWOW64\icacls.exe
  C:\Windows\system32\icacls.exe "c:\windows\system32\nqbmy.exe" /grant Users:F
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:4692

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\nqbmy.exe

Filesize
48KB

MD5
104ab8766fc88f48fc33c866b474d9c0

SHA1
d6970eff593fed99c48276e7eae44866f7dd90f8

SHA256
d463de2f6f2bcbc18d6d31c5c191ce4052c8969d6a6d37d07f3d407c178a6669

SHA512
003d6a6f06e72d40bc63a994ea06828e4a5affe92ffc7c399f5100cc803e69737cc5c6f6aca423870d90ac7fa603ce452cc81ff0ac7f0035f20ea722bbb298a8

Download Submit
memory/4692-135-0x0000000000000000-mapping.dmp

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memory/4836-134-0x0000000000000000-mapping.dmp

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