Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 21:12

General

  • Target

    46585f22ced200bfef63ef83d04acaea70b9b26496b0c9bab811f1add91c850c.exe

  • Size

    75KB

  • MD5

    1ae3a88e11ffbf00e881c1591cc06899

  • SHA1

    f9d1f45298092077f420339dfb84cb6afad1ea50

  • SHA256

    46585f22ced200bfef63ef83d04acaea70b9b26496b0c9bab811f1add91c850c

  • SHA512

    285587900e6492f387f2e101d5e20abbd5d43e11b9607b9b610c715dda52b27526dce6fb8e1c4a6b37079e21572ad4a227634c72274bb2d1c6967b5a404fa405

  • SSDEEP

    1536:Ix1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3B:gOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPp

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 6 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 29 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46585f22ced200bfef63ef83d04acaea70b9b26496b0c9bab811f1add91c850c.exe
    "C:\Users\Admin\AppData\Local\Temp\46585f22ced200bfef63ef83d04acaea70b9b26496b0c9bab811f1add91c850c.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4540
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 1344
          4⤵
          • Program crash
          PID:1172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4540 -ip 4540
    1⤵
      PID:4832
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1736

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Windows\SysWOW64\ctfmen.exe

              Filesize

              4KB

              MD5

              206021cfbf44a42300f364c19747f214

              SHA1

              9ecd2a91a837416a02a0199b6b20f5fe075d405a

              SHA256

              5e3e8a42f7ebf8470c2c4e5ae3f27e16cd399479b0867ec2153e7598b5c2db12

              SHA512

              50bf9a43735ab3346c3375fd640734b25f08b5f2ada3ad5e3a07a636ffffaace58605c4ec5f6a6bdc6608525c5145c68e48034b778600b521ad82b9c6c56c80a

            • C:\Windows\SysWOW64\grcopy.dll

              Filesize

              75KB

              MD5

              7831ae52f492c758e46c9e443cabcecc

              SHA1

              21124976cfa9904020a6b12ad23c48c1154a567a

              SHA256

              2ffbf24566223ff6edff7d8971f098ba4e4294d0ffb95236995228053289c2dd

              SHA512

              29e1bfba305eac38a4af14ef4dd524dd18dc762fccf9bc711565fd63a1b8e3e34c74eb25e70f9d3b86c676fa5228fdfd4c3a6031a525094eaa9643d48c114e66

            • C:\Windows\SysWOW64\satornas.dll

              Filesize

              183B

              MD5

              bf09df0fa22ff82c1adb7e19cda975a5

              SHA1

              a2de19ea074b26035eeacd5c21382f17c579f96c

              SHA256

              f50430bb484df9bf44d987caddf363a48a13e18447d83913099fedc3baac1f14

              SHA512

              42f334b6eeafc316637ce3dcbc515569cc4a1684507d75b5921ac9dff6fce6b06455f25756efac49910bb61404adc1e6b637c8cc949e0e92f9bae5418888f593

            • C:\Windows\SysWOW64\shervans.dll

              Filesize

              8KB

              MD5

              cfcfffe584bb90edce4d854ae602af42

              SHA1

              dd24d7cb4214406e764414d07031ce37dc4f3a7e

              SHA256

              672cc38374b03b11665de7289f95a630c26013c96ad31f6f0ec3a601cee554c8

              SHA512

              bdfdb962b93724197988137e98bf8811e3cddea87875027199d3b960a863f37159716a65611060d43e85e0b5b1401ee8eb5f9f46d93ea542eb1d2ce705f0e384

            • memory/1756-11-0x0000000010000000-0x000000001000D000-memory.dmp

              Filesize

              52KB

            • memory/1756-22-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/1756-26-0x0000000010000000-0x000000001000D000-memory.dmp

              Filesize

              52KB

            • memory/4540-34-0x0000000010000000-0x000000001000D000-memory.dmp

              Filesize

              52KB

            • memory/4540-35-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4548-20-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB

            • memory/4548-24-0x0000000000400000-0x0000000000409000-memory.dmp

              Filesize

              36KB