Resubmissions

26-05-2023 11:32

230526-nng4yaff9x 7

10-05-2021 12:23

210510-bzkexqlwbj 8

10-05-2021 12:10

210510-6t4bx42gea 1

10-05-2021 07:49

210510-j4bf3f86pe 8

Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    10-05-2021 07:49

General

  • Target

    6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a.exe

  • Size

    56KB

  • MD5

    08a2b527c9754115cd96b522912470d7

  • SHA1

    b800d4fe171c48726dee92b73e91040640d9bd7b

  • SHA256

    6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a

  • SHA512

    bc2ade2d8a3db0dd574c871e70f49a421517ef3857e8465e71bcc667fbd9e74b9e1c99480158f1648c79cd4f2e15eb7dcc7c8e5c84cafee46e14bab5b8485aa3

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a.exe
    "C:\Users\Admin\AppData\Local\Temp\6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Windows\SysWOW64\Win01.exe
      "C:\Windows\system32\Win01.exe"
      2⤵
      • Executes dropped EXE
      PID:3996

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Win01.exe
    MD5

    08a2b527c9754115cd96b522912470d7

    SHA1

    b800d4fe171c48726dee92b73e91040640d9bd7b

    SHA256

    6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a

    SHA512

    bc2ade2d8a3db0dd574c871e70f49a421517ef3857e8465e71bcc667fbd9e74b9e1c99480158f1648c79cd4f2e15eb7dcc7c8e5c84cafee46e14bab5b8485aa3

  • C:\Windows\SysWOW64\Win01.exe
    MD5

    08a2b527c9754115cd96b522912470d7

    SHA1

    b800d4fe171c48726dee92b73e91040640d9bd7b

    SHA256

    6c9ed2415dc6402aeeae5abae80a20894840fc5598926721beaa13015859df1a

    SHA512

    bc2ade2d8a3db0dd574c871e70f49a421517ef3857e8465e71bcc667fbd9e74b9e1c99480158f1648c79cd4f2e15eb7dcc7c8e5c84cafee46e14bab5b8485aa3

  • memory/3996-114-0x0000000000000000-mapping.dmp