Resubmissions

19-01-2022 16:33

220119-t22cmabeh7 10

25-11-2021 12:38

211125-pt3hhaaee7 8

Analysis

  • max time kernel
    121s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    25-11-2021 12:38

General

  • Target

    c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe

  • Size

    5.0MB

  • MD5

    dbe9736b562b2bcce0b531fdfeaded32

  • SHA1

    a36ac4af321f97964885b801601aaee816f405d1

  • SHA256

    c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240

  • SHA512

    9dc69b482a510482b6aa6992924daf39b96bb43ab9017d6919120288e3d7936717b21aa24cd12c51d64d446eecc626bdc0ddfd0222cff5fde8010d110edea849

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe
    "C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Users\Admin\AppData\Local\Temp\is-UR86I.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UR86I.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp" /SL5="$30112,4382530,831488,C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe
        "C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe" /VERYSILENT
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Users\Admin\AppData\Local\Temp\is-8H9PS.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-8H9PS.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp" /SL5="$40112,4382530,831488,C:\Users\Admin\AppData\Local\Temp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:820
          • C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe
            "C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2112
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 1264
              6⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3444

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-8H9PS.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
    MD5

    19d3e925bd3944acf03a70e2da39e46f

    SHA1

    b7710e87fecbd6abf2d1e60cfdf4f524f184850a

    SHA256

    4d1fb84d2034c51f62e6e895e246d423f7b4fb2f1c2817a1aafc0a9c2cd68dc6

    SHA512

    241e6cdbbaf70101e707599cad2df08948a1bbc0ae554719e8cf58d713a89b6e06bbe1911baf0a0488a92f55520828c7a5f5ff6459bac499bff07ae13eee40f0

  • C:\Users\Admin\AppData\Local\Temp\is-UR86I.tmp\c920b2de025019e9a406e9b2f0ac2cbbfc18d65eac15f59ca8921c5fb4bfa240.tmp
    MD5

    19d3e925bd3944acf03a70e2da39e46f

    SHA1

    b7710e87fecbd6abf2d1e60cfdf4f524f184850a

    SHA256

    4d1fb84d2034c51f62e6e895e246d423f7b4fb2f1c2817a1aafc0a9c2cd68dc6

    SHA512

    241e6cdbbaf70101e707599cad2df08948a1bbc0ae554719e8cf58d713a89b6e06bbe1911baf0a0488a92f55520828c7a5f5ff6459bac499bff07ae13eee40f0

  • C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe
    MD5

    60c37f73b6d60884ad028ef1f026ddd7

    SHA1

    85409616ded051ccbe2a2854bc0c2be9a2166a14

    SHA256

    a7aa2196fdf652c469f5bbe4122f6bdddb6e3dd91a48e63181491f95fe102660

    SHA512

    cb4286729dc7e7fa901430ddd3f16e248372e94ad4a6e166ede1582e2486158c71b4c1bd4c8f4302622a308dda1caf46fbee5ec3c4f95fd7b4ea820a82f1a177

  • C:\Users\Admin\AppData\Roaming\Ev Reports Management\evreporter.exe
    MD5

    60c37f73b6d60884ad028ef1f026ddd7

    SHA1

    85409616ded051ccbe2a2854bc0c2be9a2166a14

    SHA256

    a7aa2196fdf652c469f5bbe4122f6bdddb6e3dd91a48e63181491f95fe102660

    SHA512

    cb4286729dc7e7fa901430ddd3f16e248372e94ad4a6e166ede1582e2486158c71b4c1bd4c8f4302622a308dda1caf46fbee5ec3c4f95fd7b4ea820a82f1a177

  • C:\Users\Admin\AppData\Roaming\Ev Reports Management\swresample-1.dll
    MD5

    099e471203758f7653160a6f9f227d8d

    SHA1

    8246f4331f9aa47d2f9de96baafe2d1cf9bfa254

    SHA256

    eb9a87fc1b24a0e0476b34bfe4f22e0683f699bab9e7e50f42e3ae10c76c025b

    SHA512

    b7c7747277125ebc22ddc4f350212312ef6945a8f524b1f3088364c3c7b8618f480739c870037adc225c15db4887240b663c7e9d1657950171eba5ad76b3bbae

  • C:\Users\Admin\AppData\Roaming\Ev Reports Management\ui
    MD5

    95518f5e98099572bede73302c79c7bd

    SHA1

    6168202123dca8fbc4a8e688561b5b18d51a462e

    SHA256

    115a380ecb81d1ddaa1c913c8ac6a1142400d22526ce979ed1a3d0a75ebf2e7a

    SHA512

    a0899e422b550498676b94aa9c9f59dfd5e0f6813e041f3e297698d5daa3501b186fc4a10e292f4ba445f7573d569f99a3916f4ee1f619df41492d4c2efee5e1

  • \Users\Admin\AppData\Roaming\Ev Reports Management\swresample-1.dll
    MD5

    099e471203758f7653160a6f9f227d8d

    SHA1

    8246f4331f9aa47d2f9de96baafe2d1cf9bfa254

    SHA256

    eb9a87fc1b24a0e0476b34bfe4f22e0683f699bab9e7e50f42e3ae10c76c025b

    SHA512

    b7c7747277125ebc22ddc4f350212312ef6945a8f524b1f3088364c3c7b8618f480739c870037adc225c15db4887240b663c7e9d1657950171eba5ad76b3bbae

  • memory/820-124-0x0000000000000000-mapping.dmp
  • memory/820-127-0x0000000000890000-0x0000000000891000-memory.dmp
    Filesize

    4KB

  • memory/1316-120-0x00000000008D0000-0x00000000008D1000-memory.dmp
    Filesize

    4KB

  • memory/1316-118-0x0000000000000000-mapping.dmp
  • memory/2112-128-0x0000000000000000-mapping.dmp
  • memory/2240-126-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2240-121-0x0000000000000000-mapping.dmp
  • memory/3108-117-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB