4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425

Analysis

max time kernel
150s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 02:24

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General

Target

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
Size

2.6MB
MD5

83bfd8815e788e84e7ec225ae723187d
SHA1

bd333c6213956140aa5abbac3a0c54d81d64e5a3
SHA256

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425
SHA512

7b3909d32d744d980600155ad0cc7757510d74418ffa206d7bb703a49b56c469fbaf342f0c88e0e91329d3992e4bfa83944854d0dce9a71483b9c2c10f2df413
SSDEEP

49152:2toK3MJgWJfjRiFqpfSdXYjy0n4w1Ou8HG3WE/OWwcBEP2KHgDfcg+QVX1mEsMFq:qMisiFq4XYm091OufGPLclKHUcgnVQcg

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 4 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
File opened for modification	C:\Windows\system32\drivers\etc	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
File created	C:\Windows\system32\drivers\etc\hosts	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
File created	C:\Windows\system32\drivers\83iqg0Fk.sys	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

pid	process
4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

pid process

644
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

description pid process

Token: SeDebugPrivilege 4944 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

pid	process
644

description	pid	process
Token: SeDebugPrivilege	4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

pid	process
4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

description	pid	process	target process
PID 4944 wrote to memory of 5044	4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	cmd.exe
PID 4944 wrote to memory of 5044	4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	cmd.exe
PID 4944 wrote to memory of 5044	4944	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
"C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe"
1⤵
- Drops file in Drivers directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcSPA9N" /S /Q
2⤵
PID:5044

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4944-132-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

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memory/4944-134-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/5044-133-0x0000000000000000-mapping.dmp

Download