4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 14:22

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General

Target

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe
Size

147KB
MD5

8c6309eabacbf95f01cea9e1e84aad4c
SHA1

fe1e785fb4519f1e4ed15351b68b399185c17aad
SHA256

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0
SHA512

f5589942e45b8186207a398f90f394a6f5faf95aeb0dedd310c04cf7d66217b7823b117cde6c791d58e815da5946a730bcf6b615faceb5cabedd626205a2fc8f
SSDEEP

3072:b0zy6Iv9/7bKrnZ+OF2IBIW3FXfLedZTWrL6:wm667urnZxFjIW3xq

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3224346.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3224346.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\322434 = "C:\\3224346\\3224346.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*22434 = "C:\\3224346\\3224346.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3224346 = "C:\\Users\\Admin\\AppData\\Roaming\\3224346.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*224346 = "C:\\Users\\Admin\\AppData\\Roaming\\3224346.exe"	explorer.exe

Drops file in Windows directory 1 IoCs

Processes:

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe

description	ioc	process
File opened for modification	C:\Windows\4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.INI	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exeexplorer.exe

pid process

4344 4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe
4832 explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe

pid	process
4344	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe
4344	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exeexplorer.exe

description	pid	process	target process
PID 4344 wrote to memory of 4832	4344	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe	explorer.exe
PID 4344 wrote to memory of 4832	4344	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe	explorer.exe
PID 4344 wrote to memory of 4832	4344	4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe	explorer.exe
PID 4832 wrote to memory of 5040	4832	explorer.exe	svchost.exe
PID 4832 wrote to memory of 5040	4832	explorer.exe	svchost.exe
PID 4832 wrote to memory of 5040	4832	explorer.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe
"C:\Users\Admin\AppData\Local\Temp\4cdb404908c66dae742158bf14ad34d6fabe6124f9fe4f1dd37450a4e8422ff0.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4344

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4832

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
3⤵
PID:5040

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

memory/4344-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4344-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4832-134-0x0000000000000000-mapping.dmp

Download
memory/4832-136-0x0000000001250000-0x0000000001270000-memory.dmp

Filesize
128KB

Download
memory/5040-137-0x0000000000000000-mapping.dmp

Download
memory/5040-138-0x0000000000830000-0x0000000000850000-memory.dmp

Filesize
128KB

Download
memory/5040-139-0x0000000000830000-0x0000000000850000-memory.dmp

Filesize
128KB

Download