bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3

Analysis

max time kernel
152s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-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

4392 windowsnnt.exe

pid	process
4392	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

4520 bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
4392 windowsnnt.exe

pid	process
4520	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe
4392	windowsnnt.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe

description	pid	process	target process
PID 4520 wrote to memory of 4392	4520	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe
PID 4520 wrote to memory of 4392	4520	bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3.exe	windowsnnt.exe
PID 4520 wrote to memory of 4392	4520	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:4520

\??\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:4392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\windowsnnt.exe

Filesize
132KB

MD5
2b4fe245df64b7cdeb44e6121d0b7bcc

SHA1
1bf119e14a8ad39db0f8049a72aa5cb691909dc0

SHA256
bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3

SHA512
8eac5cd8f2e3b59bceecc7f5f7d8d9a6cb75e66060d97ad9ecc6ef2623cdc14c88cef45bff7ed86f3b328189757ee47ac1c8eeae14a928505ad81370351dd5d7

Download Submit
\??\c:\windows\windowsnnt.exe

Filesize
132KB

MD5
2b4fe245df64b7cdeb44e6121d0b7bcc

SHA1
1bf119e14a8ad39db0f8049a72aa5cb691909dc0

SHA256
bae97fa7db6958f006d8751cdc838d8cf9025c7da85fac33aedf96d6d0d6eeb3

SHA512
8eac5cd8f2e3b59bceecc7f5f7d8d9a6cb75e66060d97ad9ecc6ef2623cdc14c88cef45bff7ed86f3b328189757ee47ac1c8eeae14a928505ad81370351dd5d7

Download Submit
memory/4392-135-0x0000000000000000-mapping.dmp

Download
memory/4392-138-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4392-142-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4520-132-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4520-141-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download