Analysis

  • max time kernel
    45s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 05:55

General

  • Target

    767f4f64e9c0010fd5451e407292511f06d89cbf1ac5c05bf62123a053ee5b8d.exe

  • Size

    614KB

  • MD5

    ef438583de39849ae1b0a41e7a19b9be

  • SHA1

    f42036a8871cca93075c4eea411b811c339da53a

  • SHA256

    767f4f64e9c0010fd5451e407292511f06d89cbf1ac5c05bf62123a053ee5b8d

  • SHA512

    854bc7c8b5762849ca74bc5be59fcf8ec38b40c7f461628305f5a7e3644db990b57901a59dfa93d49681331ce699696629e792edba5be547f4a8781327f4ec3d

  • SSDEEP

    12288:UYRN6Ul2gavsFJZC42Bu0aHpdjzwJ4baLN+gZPNOcmVuSR3O9cubDr:HKUl2wFJZCRBu0KA8VAnmVugubDr

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\767f4f64e9c0010fd5451e407292511f06d89cbf1ac5c05bf62123a053ee5b8d.exe
    "C:\Users\Admin\AppData\Local\Temp\767f4f64e9c0010fd5451e407292511f06d89cbf1ac5c05bf62123a053ee5b8d.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:1708
    • C:\Users\Admin\AppData\Local\Temp\n1807\s1807.exe
      "C:\Users\Admin\AppData\Local\Temp\n1807\s1807.exe" 30f7384d1ed9c6b3b15b37abfbIcL2CUZ9ldry3Vhz+Ak4p8s2UIoK25Y6PBIUtLxUiP77S2Te9fU2HpG4Vrrox2BTjUBXALxXYs+CXkVGsEF2FnG0xh2qkvUCXq1CmsPhs/3GiZsvX9nd75jIO1/IQQ5ygm0odFwhHJaky5H5ylJWzXHCP4kyGmg/Q= /v "C:\Users\Admin\AppData\Local\Temp\767f4f64e9c0010fd5451e407292511f06d89cbf1ac5c05bf62123a053ee5b8d.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • C:\Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • \Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • \Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • \Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • \Users\Admin\AppData\Local\Temp\n1807\s1807.exe

    Filesize

    350KB

    MD5

    60f9fa6a5debd2cd96317dabe147c68b

    SHA1

    8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

    SHA256

    005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

    SHA512

    1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

  • memory/968-62-0x000007FEF3900000-0x000007FEF4323000-memory.dmp

    Filesize

    10.1MB

  • memory/968-63-0x000007FEF2860000-0x000007FEF38F6000-memory.dmp

    Filesize

    16.6MB

  • memory/968-64-0x00000000005C6000-0x00000000005E5000-memory.dmp

    Filesize

    124KB

  • memory/968-65-0x000007FEEE0F0000-0x000007FEEEF7F000-memory.dmp

    Filesize

    14.6MB

  • memory/968-66-0x000007FEF1EC0000-0x000007FEF21AA000-memory.dmp

    Filesize

    2.9MB

  • memory/968-67-0x00000000005C6000-0x00000000005E5000-memory.dmp

    Filesize

    124KB

  • memory/1708-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

    Filesize

    8KB