Analysis

  • max time kernel
    153s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 08:27

General

  • Target

    248a5c1ef93baa512192d26f62dbb505628e874f61119b87793e16ef6764566f.exe

  • Size

    1.1MB

  • MD5

    ad3bbd955c15dc9c0704c4830fab4392

  • SHA1

    b82360e64607a92bf16ee0a543a324a3ce457a87

  • SHA256

    248a5c1ef93baa512192d26f62dbb505628e874f61119b87793e16ef6764566f

  • SHA512

    daf4cad977c8a7043819399f89b314ab45543c6aef383a34790254cc3eb0a11e67e5f14ad527e05fdfdcd25a46053a4c712905721ac9efd43ef3dd0bc8469c0a

  • SSDEEP

    12288:xqXUHkUXe3GOkx2LIaKMgdBQGb1wyyy0/n:xjHPO2Okx2LFKMgdBQGpA

Score
10/10
upx

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 26 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 2 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Users\Admin\AppData\Local\Temp\248a5c1ef93baa512192d26f62dbb505628e874f61119b87793e16ef6764566f.exe
      "C:\Users\Admin\AppData\Local\Temp\248a5c1ef93baa512192d26f62dbb505628e874f61119b87793e16ef6764566f.exe"
      2⤵
      • Checks computer location settings
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\248a5c1ef93baa512192d26f62dbb505628e874f61119b87793e16ef6764566f.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5004
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          4⤵
          • Delays execution with timeout.exe
          PID:1388
  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:608
      • C:\Windows\Help\BdeHdCfg.exe
        "C:\Windows\Help\BdeHdCfg.exe"
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2672
    • C:\Windows\Syswow64\49be0da0
      C:\Windows\Syswow64\49be0da0
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\49be0da0"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:4676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\83495e79.tmp

      Filesize

      11.6MB

      MD5

      5244c87dbafa1f764b258766005dea73

      SHA1

      84cb8b4fb3e0910cfecfb31b6fa54c16d940e703

      SHA256

      077035f93ddc3ac5a8b5631d43826baf7722256eb1c4716b3c2567f07379bc40

      SHA512

      54d64d32e73e2752cdf9a110db17ad64574eb072df0ed0dc34a7e4bc469c03aa79ef7d45465e279ef85d5fc6b33a1b750b181476cdea7ea98898ddba9aa60438

    • C:\Windows\Help\BdeHdCfg.exe

      Filesize

      131KB

      MD5

      89d0572c9b53f34230c8514f6b11bd56

      SHA1

      c8111fa4bb979386bd9c7923eb5e8ba3cb2947fb

      SHA256

      a6797c873af8f7fefe1352876113cd912e329759e838cf2f49ecd7bdf4bf4f26

      SHA512

      ec6199df2daca0de2bc279e891d5996ba4afc6ee1892aa878fb17c438f7c2ebc4e7678a582151acc56d7fb74e8787e3ec8d5aa0c370df0b5d0dea0dedfc30ea0

    • C:\Windows\Help\BdeHdCfg.exe

      Filesize

      131KB

      MD5

      89d0572c9b53f34230c8514f6b11bd56

      SHA1

      c8111fa4bb979386bd9c7923eb5e8ba3cb2947fb

      SHA256

      a6797c873af8f7fefe1352876113cd912e329759e838cf2f49ecd7bdf4bf4f26

      SHA512

      ec6199df2daca0de2bc279e891d5996ba4afc6ee1892aa878fb17c438f7c2ebc4e7678a582151acc56d7fb74e8787e3ec8d5aa0c370df0b5d0dea0dedfc30ea0

    • C:\Windows\SysWOW64\49be0da0

      Filesize

      1.1MB

      MD5

      c8369b435499765258632870612943e7

      SHA1

      3492ed1332f3339685ad9408ec87dbe572b46dc0

      SHA256

      221be23b60fc23d65fbe4a169f988e61d8edd9e28d669bb783fc4b15edaea5c1

      SHA512

      b8e3d060e398075cad005e0bf51539d1b965317d7a06b40f69378a3915c945ca8efcf01fbb3ccad46e68b0b9bcbc03cb007a846094378899e88b1c061ef93d44

    • C:\Windows\SysWOW64\49be0da0

      Filesize

      1.1MB

      MD5

      c8369b435499765258632870612943e7

      SHA1

      3492ed1332f3339685ad9408ec87dbe572b46dc0

      SHA256

      221be23b60fc23d65fbe4a169f988e61d8edd9e28d669bb783fc4b15edaea5c1

      SHA512

      b8e3d060e398075cad005e0bf51539d1b965317d7a06b40f69378a3915c945ca8efcf01fbb3ccad46e68b0b9bcbc03cb007a846094378899e88b1c061ef93d44

    • memory/608-67-0x00000212B5210000-0x00000212B5211000-memory.dmp

      Filesize

      4KB

    • memory/608-30-0x00000212B51A0000-0x00000212B51C8000-memory.dmp

      Filesize

      160KB

    • memory/608-28-0x00000212B5210000-0x00000212B5211000-memory.dmp

      Filesize

      4KB

    • memory/608-26-0x00000212B5190000-0x00000212B5193000-memory.dmp

      Filesize

      12KB

    • memory/2672-65-0x0000014779E40000-0x0000014779E41000-memory.dmp

      Filesize

      4KB

    • memory/2672-113-0x000001477BAB0000-0x000001477BAB8000-memory.dmp

      Filesize

      32KB

    • memory/2672-20-0x0000014779D30000-0x0000014779DFB000-memory.dmp

      Filesize

      812KB

    • memory/2672-24-0x00007FF997B30000-0x00007FF997B40000-memory.dmp

      Filesize

      64KB

    • memory/2672-23-0x0000014779E40000-0x0000014779E41000-memory.dmp

      Filesize

      4KB

    • memory/2672-115-0x000001477C6D0000-0x000001477C895000-memory.dmp

      Filesize

      1.8MB

    • memory/2672-116-0x000001477BA40000-0x000001477BA42000-memory.dmp

      Filesize

      8KB

    • memory/2672-107-0x000001477BA40000-0x000001477BA41000-memory.dmp

      Filesize

      4KB

    • memory/2672-117-0x000001477BAB0000-0x000001477BAB1000-memory.dmp

      Filesize

      4KB

    • memory/2672-108-0x000001477BA50000-0x000001477BA51000-memory.dmp

      Filesize

      4KB

    • memory/2672-118-0x000001477BAB0000-0x000001477BAB8000-memory.dmp

      Filesize

      32KB

    • memory/2672-22-0x0000014779D30000-0x0000014779DFB000-memory.dmp

      Filesize

      812KB

    • memory/2672-112-0x000001477BAB0000-0x000001477BAB1000-memory.dmp

      Filesize

      4KB

    • memory/2672-57-0x0000014779D30000-0x0000014779DFB000-memory.dmp

      Filesize

      812KB

    • memory/2672-64-0x00007FF997B30000-0x00007FF997B40000-memory.dmp

      Filesize

      64KB

    • memory/2672-109-0x000001477C6D0000-0x000001477C895000-memory.dmp

      Filesize

      1.8MB

    • memory/2672-66-0x000001477B6E0000-0x000001477B6E2000-memory.dmp

      Filesize

      8KB

    • memory/2672-126-0x000001477C6D0000-0x000001477C895000-memory.dmp

      Filesize

      1.8MB

    • memory/2672-111-0x000001477BA40000-0x000001477BA41000-memory.dmp

      Filesize

      4KB

    • memory/2672-110-0x000001477BA40000-0x000001477BA42000-memory.dmp

      Filesize

      8KB

    • memory/3048-0-0x0000000000580000-0x0000000000609000-memory.dmp

      Filesize

      548KB

    • memory/3048-31-0x0000000000580000-0x0000000000609000-memory.dmp

      Filesize

      548KB

    • memory/3048-29-0x0000000000580000-0x0000000000609000-memory.dmp

      Filesize

      548KB

    • memory/3176-102-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-132-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-78-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-81-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-82-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-80-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-83-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-84-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

      Filesize

      64KB

    • memory/3176-85-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-86-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-87-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

      Filesize

      64KB

    • memory/3176-88-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-90-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-92-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-94-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-96-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-97-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-98-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

      Filesize

      64KB

    • memory/3176-99-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-103-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-104-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-105-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-76-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-101-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-106-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-75-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-74-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-73-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-72-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-200-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-56-0x0000000008AE0000-0x0000000008BD9000-memory.dmp

      Filesize

      996KB

    • memory/3176-198-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-196-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-15-0x0000000008AE0000-0x0000000008BD9000-memory.dmp

      Filesize

      996KB

    • memory/3176-12-0x0000000002B70000-0x0000000002B73000-memory.dmp

      Filesize

      12KB

    • memory/3176-13-0x0000000002B70000-0x0000000002B73000-memory.dmp

      Filesize

      12KB

    • memory/3176-14-0x0000000002E00000-0x0000000002E01000-memory.dmp

      Filesize

      4KB

    • memory/3176-10-0x0000000002B70000-0x0000000002B73000-memory.dmp

      Filesize

      12KB

    • memory/3176-194-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-131-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-77-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-134-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-135-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-133-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

    • memory/3176-136-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-137-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-138-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-140-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-142-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-143-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-144-0x0000000002C20000-0x0000000002C30000-memory.dmp

      Filesize

      64KB

    • memory/3176-145-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-147-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-149-0x0000000002C20000-0x0000000002C30000-memory.dmp

      Filesize

      64KB

    • memory/3176-151-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-148-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-153-0x0000000002C10000-0x0000000002C20000-memory.dmp

      Filesize

      64KB

    • memory/3176-154-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-152-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-155-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-156-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-157-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-158-0x0000000002C20000-0x0000000002C30000-memory.dmp

      Filesize

      64KB

    • memory/3176-159-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-161-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-163-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-160-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-164-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-167-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-169-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-171-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-173-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-180-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3176-183-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

      Filesize

      64KB

    • memory/3392-4-0x0000000000900000-0x0000000000989000-memory.dmp

      Filesize

      548KB

    • memory/3392-38-0x0000000000900000-0x0000000000989000-memory.dmp

      Filesize

      548KB

    • memory/3392-46-0x0000000000900000-0x0000000000989000-memory.dmp

      Filesize

      548KB

    • memory/3392-71-0x0000000000900000-0x0000000000989000-memory.dmp

      Filesize

      548KB