a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 11:12

Target

a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
Size

2.6MB
MD5

1d6946116de79cc8935eb8683e50024c
SHA1

7bded8da00aebfc15ed02ff95696921eddd14400
SHA256

a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451
SHA512

6e565102829fa9b6766d2b1977a398cd46a72c9b0332ca2803a4081e2aec7cc52b3692a9bf6aa274730dc59328007ff9fee51a49d8fcb8fd6abb4a26ab53e462
SSDEEP

49152:2toK3MJgWJfjRiFqpfSdXYjy0n4w1Ou8HG3WE/OWwcBEP2KHgDfcg+QVX1mEsMFb:qMisiFq4XYm091OufGPLclKHUcgnVQcV

Score

8^/10

Drops file in Drivers directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
File opened for modification	C:\Windows\system32\drivers\etc	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
File created	C:\Windows\system32\drivers\etc\hosts	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
File created	C:\Windows\system32\drivers\7wdLYJ6m.sys	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
648	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 1468	4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe	81
PID 4948 wrote to memory of 1468	4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe	81
PID 4948 wrote to memory of 1468	4948	a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe	81

C:\Users\Admin\AppData\Local\Temp\a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.exe
"C:\Users\Admin\AppData\Local\Temp\a5bdc7d17d6f5c2d0cf38e76fe16676c46bc470b6d5bb4a157514f9c693e3451.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:4948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcIncwo" /S /Q
  2⤵
  PID:1468

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/4948-132-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4948-134-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download