Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-07-2021 11:19

General

  • Target

    5524836ccb59f40d628f0dd0d8895baa.exe

  • Size

    233KB

  • MD5

    5524836ccb59f40d628f0dd0d8895baa

  • SHA1

    056fa6661b4a0df5e10fe88005bc95a02a15b424

  • SHA256

    d223ba3f46e2085a558c1ee3009dfa51dbec2683f500676611f92080fd3d7a2e

  • SHA512

    4669c17fd1f7789b53be864c5ef1794c0fec103e1309b9bfd2a282281d70c796ede97277b28fea306718827344faea0213b20a58732bd1c8f81c508d682ab973

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5524836ccb59f40d628f0dd0d8895baa.exe
    "C:\Users\Admin\AppData\Local\Temp\5524836ccb59f40d628f0dd0d8895baa.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    5524836ccb59f40d628f0dd0d8895baa

    SHA1

    056fa6661b4a0df5e10fe88005bc95a02a15b424

    SHA256

    d223ba3f46e2085a558c1ee3009dfa51dbec2683f500676611f92080fd3d7a2e

    SHA512

    4669c17fd1f7789b53be864c5ef1794c0fec103e1309b9bfd2a282281d70c796ede97277b28fea306718827344faea0213b20a58732bd1c8f81c508d682ab973

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    5524836ccb59f40d628f0dd0d8895baa

    SHA1

    056fa6661b4a0df5e10fe88005bc95a02a15b424

    SHA256

    d223ba3f46e2085a558c1ee3009dfa51dbec2683f500676611f92080fd3d7a2e

    SHA512

    4669c17fd1f7789b53be864c5ef1794c0fec103e1309b9bfd2a282281d70c796ede97277b28fea306718827344faea0213b20a58732bd1c8f81c508d682ab973

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    5524836ccb59f40d628f0dd0d8895baa

    SHA1

    056fa6661b4a0df5e10fe88005bc95a02a15b424

    SHA256

    d223ba3f46e2085a558c1ee3009dfa51dbec2683f500676611f92080fd3d7a2e

    SHA512

    4669c17fd1f7789b53be864c5ef1794c0fec103e1309b9bfd2a282281d70c796ede97277b28fea306718827344faea0213b20a58732bd1c8f81c508d682ab973

  • \Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
    MD5

    5524836ccb59f40d628f0dd0d8895baa

    SHA1

    056fa6661b4a0df5e10fe88005bc95a02a15b424

    SHA256

    d223ba3f46e2085a558c1ee3009dfa51dbec2683f500676611f92080fd3d7a2e

    SHA512

    4669c17fd1f7789b53be864c5ef1794c0fec103e1309b9bfd2a282281d70c796ede97277b28fea306718827344faea0213b20a58732bd1c8f81c508d682ab973

  • memory/1728-64-0x0000000000000000-mapping.dmp
  • memory/1728-68-0x0000000000400000-0x0000000002B7F000-memory.dmp
    Filesize

    39.5MB

  • memory/1976-59-0x0000000076691000-0x0000000076693000-memory.dmp
    Filesize

    8KB

  • memory/1976-60-0x0000000000220000-0x0000000000246000-memory.dmp
    Filesize

    152KB

  • memory/1976-66-0x0000000000400000-0x0000000002B7F000-memory.dmp
    Filesize

    39.5MB