17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec

Analysis

max time kernel
90s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:54

Target

17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe
Size

721KB
MD5

67f63ad6be699135e8c14e836874fca4
SHA1

2056d5b968e4cdfbbea684026540aa0a7b3ded71
SHA256

17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec
SHA512

ba8c26a41c7dc97cd6f810d697e48edc2f4727481e79c2f9b84098db6cbbc2cfb77625f10403cab25bd904612e690afc4eea7c3947721981e68faa4e912b89f6
SSDEEP

12288:CzZ7UjD5fFh/Rkn8qiZC8r6HzXStmy3Qpav3EVqxJaLFlBR5Wb7T4FDKA:CzZUFhHfZdr6TSme+avwRCYd

Score

8^/10

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

3608 Au_.exe
Loads dropped DLL 1 IoCs

Processes:

Au_.exe

pid process

3608 Au_.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3608	Au_.exe

pid	process
3608	Au_.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exeAu_.exe

description	pid	process	target process
PID 3404 wrote to memory of 3608	3404	17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe	Au_.exe
PID 3404 wrote to memory of 3608	3404	17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe	Au_.exe
PID 3404 wrote to memory of 3608	3404	17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe	Au_.exe
PID 3608 wrote to memory of 2184	3608	Au_.exe	regsvr32.exe
PID 3608 wrote to memory of 2184	3608	Au_.exe	regsvr32.exe
PID 3608 wrote to memory of 4304	3608	Au_.exe	regsvr32.exe
PID 3608 wrote to memory of 4304	3608	Au_.exe	regsvr32.exe
PID 3608 wrote to memory of 4304	3608	Au_.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe
"C:\Users\Admin\AppData\Local\Temp\17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /u "C:\Windows\system32\CryptoKit.CertEnrollment.XTBank.x64.dll" /s
    3⤵
    PID:2184
- - C:\Windows\SysWOW64\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /u "C:\Windows\system32\CryptoKit.CertEnrollment.XTBank.x86.dll" /s
    3⤵
    PID:4304

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\nszC5E6.tmp\System.dll

Filesize
11KB

MD5
959ea64598b9a3e494c00e8fa793be7e

SHA1
40f284a3b92c2f04b1038def79579d4b3d066ee0

SHA256
03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

SHA512
5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
721KB

MD5
67f63ad6be699135e8c14e836874fca4

SHA1
2056d5b968e4cdfbbea684026540aa0a7b3ded71

SHA256
17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec

SHA512
ba8c26a41c7dc97cd6f810d697e48edc2f4727481e79c2f9b84098db6cbbc2cfb77625f10403cab25bd904612e690afc4eea7c3947721981e68faa4e912b89f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
721KB

MD5
67f63ad6be699135e8c14e836874fca4

SHA1
2056d5b968e4cdfbbea684026540aa0a7b3ded71

SHA256
17555d8164719bdb754a1e2da4a202bb64f9a9a4a10e3fcb8d2c1396e702d8ec

SHA512
ba8c26a41c7dc97cd6f810d697e48edc2f4727481e79c2f9b84098db6cbbc2cfb77625f10403cab25bd904612e690afc4eea7c3947721981e68faa4e912b89f6

Download Submit
memory/2184-136-0x0000000000000000-mapping.dmp

Download
memory/3608-132-0x0000000000000000-mapping.dmp

Download
memory/4304-137-0x0000000000000000-mapping.dmp

Download