Analysis

  • max time kernel
    132s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:29

General

  • Target

    8be46b34e659c7cf9a665a11d2a3d1f724d6888f3c7ae3bf0e9e44d254679089.exe

  • Size

    512KB

  • MD5

    23692417f0c8609005cc635dc322814a

  • SHA1

    49defaee46346df922baae7695de968df67a8093

  • SHA256

    8be46b34e659c7cf9a665a11d2a3d1f724d6888f3c7ae3bf0e9e44d254679089

  • SHA512

    4b9dbbf0dda5a78fc725ab11b4ee37ec1355b3a99353e2ae5ee72c64e5bbe2cc8dc6c2c7955b7c03b79c00b2e36feab0d722bacf62b775f48e2f4244ea50e898

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E40:0+h9OY70z+warul3E40

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8be46b34e659c7cf9a665a11d2a3d1f724d6888f3c7ae3bf0e9e44d254679089.exe
    "C:\Users\Admin\AppData\Local\Temp\8be46b34e659c7cf9a665a11d2a3d1f724d6888f3c7ae3bf0e9e44d254679089.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\n2805\s2805.exe
      "C:\Users\Admin\AppData\Local\Temp\n2805\s2805.exe" bc82a3264d6caf7285e0af28UKixs6gp/qF8NsYH2jv+x58pNeJJwPN5Tdth+lkPFAiWz4Ck77u7n4VHmKIIXbRcHwLNpTx1xxMd+L8YUTWXMpt13WaBo2KL3OZAhc7t46aYxkFAOEtPcVlWeo9gOT2e6zxCCzKR8kDxenFz5HYiK6LB /v "C:\Users\Admin\AppData\Local\Temp\8be46b34e659c7cf9a665a11d2a3d1f724d6888f3c7ae3bf0e9e44d254679089.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n2805\s2805.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/900-62-0x000007FEF37E0000-0x000007FEF4203000-memory.dmp

    Filesize

    10.1MB

  • memory/900-63-0x000007FEF2740000-0x000007FEF37D6000-memory.dmp

    Filesize

    16.6MB

  • memory/900-64-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

    Filesize

    8KB

  • memory/900-65-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB

  • memory/900-66-0x000007FEEE740000-0x000007FEEF5CF000-memory.dmp

    Filesize

    14.6MB

  • memory/900-67-0x000007FEF2450000-0x000007FEF273A000-memory.dmp

    Filesize

    2.9MB

  • memory/900-68-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

    Filesize

    124KB

  • memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB