bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3

Analysis

max time kernel
170s
max time network
84s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:07

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General

Target

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
Size

132KB
MD5

2b4fe245df64b7cdeb44e6121d0b7bcc
SHA1

1bf119e14a8ad39db0f8049a72aa5cb691909dc0
SHA256

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3
SHA512

8eac5cd8f2e3b59bceecc7f5f7d8d9a6cb75e66060d97ad9ecc6ef2623cdc14c88cef45bff7ed86f3b328189757ee47ac1c8eeae14a928505ad81370351dd5d7
SSDEEP

3072:67rL0ZWRAarPsmCAbgDL5Lb2/gY/o/wbw9be86WTApqPPnQM/R:0cRarUmCAYb2e/Aw3zYqAYR

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

windowsnnt.exe

pid process

952 windowsnnt.exe

pid	process
952	windowsnnt.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

windowsnnt.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	windowsnnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft® ActiveX Debuguer XP = "\"c:\\windows\\windowsnnt.exe\""	windowsnnt.exe

Drops file in Windows directory 3 IoCs

Processes:

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exewindowsnnt.exe

description	ioc	process
File created	\??\c:\windows\windowsnnt.exe	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
File opened for modification	\??\c:\windows\windowsnnt.exe	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
File created	C:\Windows\ieupdate.dat	windowsnnt.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exewindowsnnt.exe

pid process

1756 bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
952 windowsnnt.exe

pid	process
1756	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
952	windowsnnt.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe

description	pid	process	target process
PID 1756 wrote to memory of 952	1756	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe
PID 1756 wrote to memory of 952	1756	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe
PID 1756 wrote to memory of 952	1756	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe
PID 1756 wrote to memory of 952	1756	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe

C:\Users\Admin\AppData\Local\Temp\bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
"C:\Users\Admin\AppData\Local\Temp\bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756

\??\c:\windows\windowsnnt.exe
c:\windows\windowsnnt.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\windowsnnt.exe
Filesize
132KB

MD5
2b4fe245df64b7cdeb44e6121d0b7bcc

SHA1
1bf119e14a8ad39db0f8049a72aa5cb691909dc0

SHA256
bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3

SHA512
8eac5cd8f2e3b59bceecc7f5f7d8d9a6cb75e66060d97ad9ecc6ef2623cdc14c88cef45bff7ed86f3b328189757ee47ac1c8eeae14a928505ad81370351dd5d7

Download Submit
memory/952-57-0x0000000000000000-mapping.dmp

Download
memory/952-61-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/952-63-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/952-65-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1756-54-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1756-62-0x0000000002880000-0x000000000299A000-memory.dmp

Filesize
1.1MB

Download
memory/1756-64-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download