Analysis

  • max time kernel
    155s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:29

General

  • Target

    c43da8aa253b20b3b9b2d646995634f41b7b5d0b013899096dfe8d48b4b4e5ad.exe

  • Size

    140KB

  • MD5

    271b8920e3ec5ade31bef4126c0791e2

  • SHA1

    929fcb36787fcfd962714dcd4af5b034accb782c

  • SHA256

    c43da8aa253b20b3b9b2d646995634f41b7b5d0b013899096dfe8d48b4b4e5ad

  • SHA512

    e439e78e4543c8c512f52d09a92c5a8d97fd37154b72850be23a8ed9b5ca699f02dfc2e359f76b87fab9b91ff4ccbc8652c2ebb7414e3327cae3034c72e57b05

  • SSDEEP

    768:zHMwyVyt4pd04q0zik+vhy7g0EM/LinbQ+d1:roeEn3+pCg0EUGQ+d1

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c43da8aa253b20b3b9b2d646995634f41b7b5d0b013899096dfe8d48b4b4e5ad.exe
    "C:\Users\Admin\AppData\Local\Temp\c43da8aa253b20b3b9b2d646995634f41b7b5d0b013899096dfe8d48b4b4e5ad.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Users\Admin\raaemac.exe
      "C:\Users\Admin\raaemac.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\raaemac.exe
    Filesize

    140KB

    MD5

    50831b1be0da8dcb23d7c4b7d372bc6b

    SHA1

    bee2dae1aeec87913a75a753b39a756f821cda7f

    SHA256

    00e210966f46f7cf4ce446a22c36812ba8ea663e4ebb1c466323a8b7e133e910

    SHA512

    296510d298e23b9e698d8f054c34faf5a26546bafe1fbc64de4bef7e950900bbd98c83d1cfc1d4b3518956a3873e63b0016f7f3dc0208915f73b29831277f829

  • C:\Users\Admin\raaemac.exe
    Filesize

    140KB

    MD5

    50831b1be0da8dcb23d7c4b7d372bc6b

    SHA1

    bee2dae1aeec87913a75a753b39a756f821cda7f

    SHA256

    00e210966f46f7cf4ce446a22c36812ba8ea663e4ebb1c466323a8b7e133e910

    SHA512

    296510d298e23b9e698d8f054c34faf5a26546bafe1fbc64de4bef7e950900bbd98c83d1cfc1d4b3518956a3873e63b0016f7f3dc0208915f73b29831277f829

  • \Users\Admin\raaemac.exe
    Filesize

    140KB

    MD5

    50831b1be0da8dcb23d7c4b7d372bc6b

    SHA1

    bee2dae1aeec87913a75a753b39a756f821cda7f

    SHA256

    00e210966f46f7cf4ce446a22c36812ba8ea663e4ebb1c466323a8b7e133e910

    SHA512

    296510d298e23b9e698d8f054c34faf5a26546bafe1fbc64de4bef7e950900bbd98c83d1cfc1d4b3518956a3873e63b0016f7f3dc0208915f73b29831277f829

  • \Users\Admin\raaemac.exe
    Filesize

    140KB

    MD5

    50831b1be0da8dcb23d7c4b7d372bc6b

    SHA1

    bee2dae1aeec87913a75a753b39a756f821cda7f

    SHA256

    00e210966f46f7cf4ce446a22c36812ba8ea663e4ebb1c466323a8b7e133e910

    SHA512

    296510d298e23b9e698d8f054c34faf5a26546bafe1fbc64de4bef7e950900bbd98c83d1cfc1d4b3518956a3873e63b0016f7f3dc0208915f73b29831277f829

  • memory/288-56-0x0000000075351000-0x0000000075353000-memory.dmp
    Filesize

    8KB

  • memory/1976-59-0x0000000000000000-mapping.dmp