Analysis

  • max time kernel
    63s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 21:11

General

  • Target

    e91f8dfa4ea34801b958c7b89369b0b16721eff853c12b8e4c9bd7bd3d19b043.exe

  • Size

    512KB

  • MD5

    c452cae2b93be21870f26fe67180a838

  • SHA1

    d83e0433fb8ea838a2442cd7794e8348160c1b9a

  • SHA256

    e91f8dfa4ea34801b958c7b89369b0b16721eff853c12b8e4c9bd7bd3d19b043

  • SHA512

    554aa9babefb4abce66f746fe8652a0b0d954976a5782fe3a90b202a33d615799ba2b497e7fa706ee3e1802a7ad79101cb46fae23a964037474464332e8dae1c

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4h:0+h9OY70z+warul3E4h

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\e91f8dfa4ea34801b958c7b89369b0b16721eff853c12b8e4c9bd7bd3d19b043.exe
    "C:\Users\Admin\AppData\Local\Temp\e91f8dfa4ea34801b958c7b89369b0b16721eff853c12b8e4c9bd7bd3d19b043.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:1132
    • C:\Users\Admin\AppData\Local\Temp\n7402\s7402.exe
      "C:\Users\Admin\AppData\Local\Temp\n7402\s7402.exe" c22c06f6068657878e13b3a2Fdnt3dxwRDEi/tNW7Wh/c9LHmO59ur7phZ5fAZp4S5yluFHgB0bm7CeCBgb5roEQzmtUg9I+g9bsw6cDqDf2zPT8wmSAJFuwwo4uuRTQLXxxM+2kTJ2YYXzR47Eq6Um/q2eD0PrRgYHyzgvqjwp6fwNA /v "C:\Users\Admin\AppData\Local\Temp\e91f8dfa4ea34801b958c7b89369b0b16721eff853c12b8e4c9bd7bd3d19b043.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n7402\s7402.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/948-62-0x000007FEF4140000-0x000007FEF4B63000-memory.dmp

    Filesize

    10.1MB

  • memory/948-63-0x000007FEEE510000-0x000007FEEF5A6000-memory.dmp

    Filesize

    16.6MB

  • memory/948-64-0x000007FEFC471000-0x000007FEFC473000-memory.dmp

    Filesize

    8KB

  • memory/948-66-0x0000000001F26000-0x0000000001F45000-memory.dmp

    Filesize

    124KB

  • memory/948-65-0x000007FEED680000-0x000007FEEE50F000-memory.dmp

    Filesize

    14.6MB

  • memory/948-68-0x0000000001F26000-0x0000000001F45000-memory.dmp

    Filesize

    124KB

  • memory/948-67-0x000007FEF3530000-0x000007FEF381A000-memory.dmp

    Filesize

    2.9MB

  • memory/948-69-0x0000000001F26000-0x0000000001F45000-memory.dmp

    Filesize

    124KB

  • memory/1132-54-0x00000000761E1000-0x00000000761E3000-memory.dmp

    Filesize

    8KB