4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425

Analysis

max time kernel
151s
max time network
73s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 02:24

Target

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
Size

2.6MB
MD5

83bfd8815e788e84e7ec225ae723187d
SHA1

bd333c6213956140aa5abbac3a0c54d81d64e5a3
SHA256

4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425
SHA512

7b3909d32d744d980600155ad0cc7757510d74418ffa206d7bb703a49b56c469fbaf342f0c88e0e91329d3992e4bfa83944854d0dce9a71483b9c2c10f2df413
SSDEEP

49152:2toK3MJgWJfjRiFqpfSdXYjy0n4w1Ou8HG3WE/OWwcBEP2KHgDfcg+QVX1mEsMFq:qMisiFq4XYm091OufGPLclKHUcgnVQcg

Score

8^/10

Drops file in Drivers directory 4 IoCs

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\nHyd3Ho.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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
460	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1136	1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	26
PID 1112 wrote to memory of 1136	1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	26
PID 1112 wrote to memory of 1136	1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	26
PID 1112 wrote to memory of 1136	1112	4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe	26

C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
"C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcgbBbw" /S /Q
  2⤵
  PID:1136

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1112-54-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/1112-55-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1112-57-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download