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Analysis

  • max time kernel
    112s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 08:16

General

  • Target

    1b115ca540fe98d42534d7165ec9fb27e64bf745181b81b788126871e2c329b7.exe

  • Size

    231KB

  • MD5

    6e264ad464454392d5fbe1073f39c766

  • SHA1

    ab3150b06c01c7c42c434034ca58b57802524a67

  • SHA256

    1b115ca540fe98d42534d7165ec9fb27e64bf745181b81b788126871e2c329b7

  • SHA512

    a442c2272e56c48797f24ffb14c3ca807c20b914a30ffc8558616e4e238ff3424f893afcb5899ab5e76049314bcaa7e830a3e390cdc51fc354c8a91388b74cd9

  • SSDEEP

    6144:Isceqs5qIhYzq40b8cRtedIkQ9mMEgr1f/7Mfz:Isce4IhYG1b7edITm4f/7ML

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 5 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 6 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b115ca540fe98d42534d7165ec9fb27e64bf745181b81b788126871e2c329b7.exe
    "C:\Users\Admin\AppData\Local\Temp\1b115ca540fe98d42534d7165ec9fb27e64bf745181b81b788126871e2c329b7.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s /c C:\Windows\system32\goodsb.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:3524
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:2548

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ahnmove.bat

      Filesize

      181B

      MD5

      9d26073814877eb5998e6d72d45e5050

      SHA1

      baf86462239267f6402d8634dc75da1a693c686c

      SHA256

      7770cd52b8d4d9ac778e73c3923e9b891d2991448b57dcd1aa35e7f009995f75

      SHA512

      cc64debd398ec2559fbbc9b177285e47e1dced6193735ee075cb2ad6bbd72c5e16f21310ed0974256ffae7ac4410cd8a5309dcc0ff397dd409f2cff61e72e00e

    • C:\Windows\SysWOW64\goodsb.dll

      Filesize

      67KB

      MD5

      1c1c8b7b5917de424ce2cf783af7556e

      SHA1

      b902d45c5bc40b809a348ceb23c2b06ff83a0117

      SHA256

      e312ec7148480231dcd3bb42b1fc69b703f98472f706791c36201da7463e1399

      SHA512

      14f5dfba0bd96a6fa6d87eaf4767bccd20e52492fa907233bde2eb249fd16e09841f20b23f4cfbeb165b0480c89f93a383332e1f0fe7bd6a8cd32015a10f3288

    • C:\Windows\SysWOW64\goodsb.dll

      Filesize

      67KB

      MD5

      1c1c8b7b5917de424ce2cf783af7556e

      SHA1

      b902d45c5bc40b809a348ceb23c2b06ff83a0117

      SHA256

      e312ec7148480231dcd3bb42b1fc69b703f98472f706791c36201da7463e1399

      SHA512

      14f5dfba0bd96a6fa6d87eaf4767bccd20e52492fa907233bde2eb249fd16e09841f20b23f4cfbeb165b0480c89f93a383332e1f0fe7bd6a8cd32015a10f3288

    • memory/5076-132-0x0000000001000000-0x0000000001107000-memory.dmp

      Filesize

      1.0MB

    • memory/5076-133-0x0000000000030000-0x0000000000040000-memory.dmp

      Filesize

      64KB

    • memory/5076-138-0x0000000001000000-0x0000000001107000-memory.dmp

      Filesize

      1.0MB