Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2023, 07:35

General

  • Target

    413d0b22a11c0b64927a06602585a2a71b7b608db8b77d2acb227d96b5847e82.exe

  • Size

    271KB

  • MD5

    1a745c946198f16fdcf3c902de26341b

  • SHA1

    b8ac4346dc294cdb8defdfdcd8169a8308f614c6

  • SHA256

    413d0b22a11c0b64927a06602585a2a71b7b608db8b77d2acb227d96b5847e82

  • SHA512

    9bb81b59b63fbfc788f0df2cf3c3e56a92ef6bc714c4a12ce162d4eccd0c40307a75286338b1ad10b66a27d3563c53ca01a3a58572110e9c496fb06a780abf14

  • SSDEEP

    6144:yl51orRJXlDixHkUXe34cEOkCybEaQRXr9HNdvOa:KqXUHkUXe3GOkx2LIa

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 8 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 Program Files directory 2 IoCs
  • Drops file in Windows directory 2 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
  • Modifies registry class 2 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\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
      • C:\Program Files\Common Files\diskperf.exe
        "C:\Program Files\Common Files\diskperf.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:2740
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Users\Admin\AppData\Local\Temp\413d0b22a11c0b64927a06602585a2a71b7b608db8b77d2acb227d96b5847e82.exe
        "C:\Users\Admin\AppData\Local\Temp\413d0b22a11c0b64927a06602585a2a71b7b608db8b77d2acb227d96b5847e82.exe"
        2⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4364
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Users\Admin\AppData\Local\Temp\413d0b22a11c0b64927a06602585a2a71b7b608db8b77d2acb227d96b5847e82.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4120
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            4⤵
            • Delays execution with timeout.exe
            PID:3236
    • C:\Windows\Syswow64\f125fa58
      C:\Windows\Syswow64\f125fa58
      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:3780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1 & del /Q /F "C:\Windows\Syswow64\f125fa58"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3608
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:2928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\diskperf.exe

      Filesize

      25KB

      MD5

      7face5a6c4fa7913a7051bb8c8f9e7ed

      SHA1

      9e184f02ee2fc57e03a00f3a62a1126ea7657451

      SHA256

      293044b6001452f9855ce34bbf26f8a5c9d44a5cd2fbe9d8ac0651398c0f5fcb

      SHA512

      3730fd41aff94c140cad7f97c7935962527fedf4c0784a99986d739e60ace884edeadea4cedc53ea6ba758df12e87d2549531610baf1564c05b158cdcfc57b18

    • C:\Program Files\Common Files\diskperf.exe

      Filesize

      25KB

      MD5

      7face5a6c4fa7913a7051bb8c8f9e7ed

      SHA1

      9e184f02ee2fc57e03a00f3a62a1126ea7657451

      SHA256

      293044b6001452f9855ce34bbf26f8a5c9d44a5cd2fbe9d8ac0651398c0f5fcb

      SHA512

      3730fd41aff94c140cad7f97c7935962527fedf4c0784a99986d739e60ace884edeadea4cedc53ea6ba758df12e87d2549531610baf1564c05b158cdcfc57b18

    • C:\Users\Admin\AppData\Local\Temp\834340e5.tmp

      Filesize

      14.8MB

      MD5

      b1057fccc9bf7a0976c173bed8c7e2a0

      SHA1

      fa7023b9e81f80adf10721ae995ec07ba0edd2f2

      SHA256

      3ee17398c1784dac54e2a218aacf3e64819dab2e809040ffc261d0444e768582

      SHA512

      04d4e64b137163ff9ffa8692495a2f91d80340ee6470c987e4413be3774ca5b344db8ea69d110642e10017e7868a086086f297441f3bc91038dee942d2b84a12

    • C:\Users\Admin\AppData\Local\Temp\8348f846.tmp

      Filesize

      11.6MB

      MD5

      5244c87dbafa1f764b258766005dea73

      SHA1

      84cb8b4fb3e0910cfecfb31b6fa54c16d940e703

      SHA256

      077035f93ddc3ac5a8b5631d43826baf7722256eb1c4716b3c2567f07379bc40

      SHA512

      54d64d32e73e2752cdf9a110db17ad64574eb072df0ed0dc34a7e4bc469c03aa79ef7d45465e279ef85d5fc6b33a1b750b181476cdea7ea98898ddba9aa60438

    • C:\Windows\SysWOW64\f125fa58

      Filesize

      271KB

      MD5

      b9475474062c9ae681d27a7addd333a0

      SHA1

      85d0f55b5f1323030c91b717064b04e19bd394d1

      SHA256

      9858803816d59597626197b483e6dc91dd1452fcfdfdec0c741d7cbf43603c3a

      SHA512

      155796bc24f17390d54529bb8f054bec20287fe10864a1439553b52794c4c076a6989d24f458892ae3157457321b7ba0c09030b97f06046b9896a8ac08cc534b

    • C:\Windows\SysWOW64\f125fa58

      Filesize

      271KB

      MD5

      b9475474062c9ae681d27a7addd333a0

      SHA1

      85d0f55b5f1323030c91b717064b04e19bd394d1

      SHA256

      9858803816d59597626197b483e6dc91dd1452fcfdfdec0c741d7cbf43603c3a

      SHA512

      155796bc24f17390d54529bb8f054bec20287fe10864a1439553b52794c4c076a6989d24f458892ae3157457321b7ba0c09030b97f06046b9896a8ac08cc534b

    • memory/612-70-0x0000020D04080000-0x0000020D04081000-memory.dmp

      Filesize

      4KB

    • memory/612-29-0x0000020D04040000-0x0000020D04068000-memory.dmp

      Filesize

      160KB

    • memory/612-30-0x0000020D04080000-0x0000020D04081000-memory.dmp

      Filesize

      4KB

    • memory/2740-74-0x000001D193D00000-0x000001D193D02000-memory.dmp

      Filesize

      8KB

    • memory/2740-75-0x000001D193D20000-0x000001D193D21000-memory.dmp

      Filesize

      4KB

    • memory/2740-22-0x000001D192300000-0x000001D1923CB000-memory.dmp

      Filesize

      812KB

    • memory/2740-23-0x000001D192300000-0x000001D1923CB000-memory.dmp

      Filesize

      812KB

    • memory/2740-94-0x000001D194C10000-0x000001D194DD5000-memory.dmp

      Filesize

      1.8MB

    • memory/2740-25-0x00007FFD6B580000-0x00007FFD6B590000-memory.dmp

      Filesize

      64KB

    • memory/2740-80-0x000001D193D00000-0x000001D193D02000-memory.dmp

      Filesize

      8KB

    • memory/2740-79-0x000001D194C10000-0x000001D194DD5000-memory.dmp

      Filesize

      1.8MB

    • memory/2740-77-0x000001D193D10000-0x000001D193D11000-memory.dmp

      Filesize

      4KB

    • memory/2740-76-0x000001D193D00000-0x000001D193D01000-memory.dmp

      Filesize

      4KB

    • memory/2740-20-0x000001D1920A0000-0x000001D1920A3000-memory.dmp

      Filesize

      12KB

    • memory/2740-73-0x000001D194C10000-0x000001D194DD5000-memory.dmp

      Filesize

      1.8MB

    • memory/2740-56-0x000001D192300000-0x000001D1923CB000-memory.dmp

      Filesize

      812KB

    • memory/2740-72-0x000001D193CF0000-0x000001D193CF1000-memory.dmp

      Filesize

      4KB

    • memory/2740-58-0x000001D193BF0000-0x000001D193BF1000-memory.dmp

      Filesize

      4KB

    • memory/2740-68-0x00007FFD6B580000-0x00007FFD6B590000-memory.dmp

      Filesize

      64KB

    • memory/2740-69-0x000001D193CF0000-0x000001D193CF1000-memory.dmp

      Filesize

      4KB

    • memory/2740-71-0x000001D193D00000-0x000001D193D01000-memory.dmp

      Filesize

      4KB

    • memory/3172-12-0x00000000027B0000-0x00000000027B3000-memory.dmp

      Filesize

      12KB

    • memory/3172-10-0x00000000027B0000-0x00000000027B3000-memory.dmp

      Filesize

      12KB

    • memory/3172-52-0x0000000002D70000-0x0000000002D71000-memory.dmp

      Filesize

      4KB

    • memory/3172-16-0x0000000002D70000-0x0000000002D71000-memory.dmp

      Filesize

      4KB

    • memory/3172-39-0x0000000008520000-0x0000000008619000-memory.dmp

      Filesize

      996KB

    • memory/3172-14-0x0000000008520000-0x0000000008619000-memory.dmp

      Filesize

      996KB

    • memory/3172-13-0x00000000027B0000-0x00000000027B3000-memory.dmp

      Filesize

      12KB

    • memory/3780-27-0x0000000000FB0000-0x0000000001039000-memory.dmp

      Filesize

      548KB

    • memory/3780-57-0x0000000000FB0000-0x0000000001039000-memory.dmp

      Filesize

      548KB

    • memory/3780-3-0x0000000000FB0000-0x0000000001039000-memory.dmp

      Filesize

      548KB

    • memory/4364-37-0x0000000000850000-0x00000000008D9000-memory.dmp

      Filesize

      548KB

    • memory/4364-0-0x0000000000850000-0x00000000008D9000-memory.dmp

      Filesize

      548KB

    • memory/4364-24-0x0000000000850000-0x00000000008D9000-memory.dmp

      Filesize

      548KB