Analysis

  • max time kernel
    138s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 22:02

General

  • Target

    1d6b0e940f7b36bf6b05be50ac932c7f105362f8beea72d3c2e164ed2e31de28.exe

  • Size

    725KB

  • MD5

    65147028cbd2fb76483618a895dfcfab

  • SHA1

    0c778ba9334ddeb7b264e5ed70d55e131e000e21

  • SHA256

    1d6b0e940f7b36bf6b05be50ac932c7f105362f8beea72d3c2e164ed2e31de28

  • SHA512

    3619e2d604ffe31932afb03f3403be13a0e37a22212be8c64f071ab315a8d30f706f9ec43092ea8d543a5095470feb14ff36d8e322982eae94b8ba1f0c7f4756

  • SSDEEP

    12288:VMrcy90xOQLIlbALJTrSGNRCfsSbQnddtcDWuSRh4MQn8EMEwZW/09VGyY:dySL9NvNRCUSbQDtcjSRhXAloQ

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d6b0e940f7b36bf6b05be50ac932c7f105362f8beea72d3c2e164ed2e31de28.exe
    "C:\Users\Admin\AppData\Local\Temp\1d6b0e940f7b36bf6b05be50ac932c7f105362f8beea72d3c2e164ed2e31de28.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1281252.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1281252.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9014398.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9014398.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4620
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9902533.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9902533.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2296
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3028796.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3028796.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3440
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4207974.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4207974.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1528
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3520
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 148
              6⤵
              • Program crash
              PID:2896
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6527552.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6527552.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2732
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1528 -ip 1528
    1⤵
      PID:3968

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1281252.exe
      Filesize

      524KB

      MD5

      6047d275890e7e077d22436624843ce7

      SHA1

      bbb4350c589aa21571ac98ad3d404064a62e8d24

      SHA256

      151636a0424ff1527bc3630437fa78a2196f1d1d1eac3f352223c3489f22908c

      SHA512

      41443067ea41a41dc3cdce4a02f56c0f31b3a588dd77641a94534f99cc5216b5c859c2c89367e4c3c7d8804763f69d56f5da726ff2d2dceee0af9667caa19875

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1281252.exe
      Filesize

      524KB

      MD5

      6047d275890e7e077d22436624843ce7

      SHA1

      bbb4350c589aa21571ac98ad3d404064a62e8d24

      SHA256

      151636a0424ff1527bc3630437fa78a2196f1d1d1eac3f352223c3489f22908c

      SHA512

      41443067ea41a41dc3cdce4a02f56c0f31b3a588dd77641a94534f99cc5216b5c859c2c89367e4c3c7d8804763f69d56f5da726ff2d2dceee0af9667caa19875

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9014398.exe
      Filesize

      352KB

      MD5

      bdc4692d32838aceeb5c97d9eaf1ec8d

      SHA1

      65098ba1905b7ad87f5b7f96bcbe3b8abb096239

      SHA256

      63a4b8ec66e17ee8040fd3104c1c0ef36c273cb2a2599fdb493a36b1abdc86a7

      SHA512

      242cdde071953fc81455db027796332da6a4f690688dae9e01ec9d0049dd19009131c7a912517d1ac39c4bc267acba6b9726b24a496cd563d7dd5da5469e2f50

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9014398.exe
      Filesize

      352KB

      MD5

      bdc4692d32838aceeb5c97d9eaf1ec8d

      SHA1

      65098ba1905b7ad87f5b7f96bcbe3b8abb096239

      SHA256

      63a4b8ec66e17ee8040fd3104c1c0ef36c273cb2a2599fdb493a36b1abdc86a7

      SHA512

      242cdde071953fc81455db027796332da6a4f690688dae9e01ec9d0049dd19009131c7a912517d1ac39c4bc267acba6b9726b24a496cd563d7dd5da5469e2f50

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6527552.exe
      Filesize

      172KB

      MD5

      957d55727cf2ecec04bf167b4dbece56

      SHA1

      d4f2e68a548615317846fe48ac0b81c3e113888f

      SHA256

      a9c65301a7dbfed799a0d658289fea604664e8fb02ef383247c3e13928689c86

      SHA512

      d7e2d8c917eca193e8606a5de5e14df3e1be8736a3f532060eeea57f5ed9277f6308e763c303f14fa71c22a771b005d0c8dc8519a79ac4bf42ec8f5b63e9647f

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c6527552.exe
      Filesize

      172KB

      MD5

      957d55727cf2ecec04bf167b4dbece56

      SHA1

      d4f2e68a548615317846fe48ac0b81c3e113888f

      SHA256

      a9c65301a7dbfed799a0d658289fea604664e8fb02ef383247c3e13928689c86

      SHA512

      d7e2d8c917eca193e8606a5de5e14df3e1be8736a3f532060eeea57f5ed9277f6308e763c303f14fa71c22a771b005d0c8dc8519a79ac4bf42ec8f5b63e9647f

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9902533.exe
      Filesize

      197KB

      MD5

      77c231d3f10994d263bd4dbda4692727

      SHA1

      1ec8cfa816fb79253f6bb082d6249cc16787b2ae

      SHA256

      f1d75c2d905ada90a3165b7720adb51d73235b647fcf99c6dacbcdc92b998dbb

      SHA512

      2bfd9826402901bb9469cb6b1629c085b11ca1061f3126ffa3e6e57751b5c2607f1602f8d24d1c90013f1ea04e5917096e65c5f720cb6ae02ad4b6b1e807e01c

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v9902533.exe
      Filesize

      197KB

      MD5

      77c231d3f10994d263bd4dbda4692727

      SHA1

      1ec8cfa816fb79253f6bb082d6249cc16787b2ae

      SHA256

      f1d75c2d905ada90a3165b7720adb51d73235b647fcf99c6dacbcdc92b998dbb

      SHA512

      2bfd9826402901bb9469cb6b1629c085b11ca1061f3126ffa3e6e57751b5c2607f1602f8d24d1c90013f1ea04e5917096e65c5f720cb6ae02ad4b6b1e807e01c

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3028796.exe
      Filesize

      14KB

      MD5

      fdc36cb0073e1c341463117b77a8827b

      SHA1

      ab445e49d3c8e62a33b6712de4bbd4f1534d822a

      SHA256

      6cdbacaf978215d5a6e6bd35560696912a717d79458cf72b07e0e26e51621b6c

      SHA512

      5e99504860b8ae1086b0ab3c7c8dfd3f889eab3184f23472e05bac26d4371ac5d7848856e8fd8ea9f9bdb8ec909d5e071653ccf10ae55d084f1cf0bc2772a529

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a3028796.exe
      Filesize

      14KB

      MD5

      fdc36cb0073e1c341463117b77a8827b

      SHA1

      ab445e49d3c8e62a33b6712de4bbd4f1534d822a

      SHA256

      6cdbacaf978215d5a6e6bd35560696912a717d79458cf72b07e0e26e51621b6c

      SHA512

      5e99504860b8ae1086b0ab3c7c8dfd3f889eab3184f23472e05bac26d4371ac5d7848856e8fd8ea9f9bdb8ec909d5e071653ccf10ae55d084f1cf0bc2772a529

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4207974.exe
      Filesize

      100KB

      MD5

      816ef8ec4daa8412fdea36f947ff2773

      SHA1

      cf8459d44dce91cf69ba0bf11d0ec888e45b5d50

      SHA256

      ba376fc6c8eeffd7e79de6cb5d73fcc42688874c55aac262c43672f3c925561a

      SHA512

      7aa7f43e4f42fbaa8c97a4c60bd73d30f6a3ef8a32861fe45d3d643d6d369467977a172c475e93572a2fe0f1b4dd817826cd27fba10d0ae79af563693dac9833

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b4207974.exe
      Filesize

      100KB

      MD5

      816ef8ec4daa8412fdea36f947ff2773

      SHA1

      cf8459d44dce91cf69ba0bf11d0ec888e45b5d50

      SHA256

      ba376fc6c8eeffd7e79de6cb5d73fcc42688874c55aac262c43672f3c925561a

      SHA512

      7aa7f43e4f42fbaa8c97a4c60bd73d30f6a3ef8a32861fe45d3d643d6d369467977a172c475e93572a2fe0f1b4dd817826cd27fba10d0ae79af563693dac9833

    • memory/2732-175-0x0000000000F00000-0x0000000000F30000-memory.dmp
      Filesize

      192KB

    • memory/2732-180-0x000000000AE20000-0x000000000AE5C000-memory.dmp
      Filesize

      240KB

    • memory/2732-189-0x0000000005860000-0x0000000005870000-memory.dmp
      Filesize

      64KB

    • memory/2732-176-0x000000000B310000-0x000000000B928000-memory.dmp
      Filesize

      6.1MB

    • memory/2732-177-0x000000000AE80000-0x000000000AF8A000-memory.dmp
      Filesize

      1.0MB

    • memory/2732-178-0x000000000ADC0000-0x000000000ADD2000-memory.dmp
      Filesize

      72KB

    • memory/2732-179-0x0000000005860000-0x0000000005870000-memory.dmp
      Filesize

      64KB

    • memory/2732-188-0x000000000BF30000-0x000000000BF80000-memory.dmp
      Filesize

      320KB

    • memory/2732-181-0x000000000B130000-0x000000000B1A6000-memory.dmp
      Filesize

      472KB

    • memory/2732-182-0x000000000B250000-0x000000000B2E2000-memory.dmp
      Filesize

      584KB

    • memory/2732-183-0x000000000BFE0000-0x000000000C584000-memory.dmp
      Filesize

      5.6MB

    • memory/2732-184-0x000000000BA30000-0x000000000BA96000-memory.dmp
      Filesize

      408KB

    • memory/2732-185-0x000000000C590000-0x000000000C752000-memory.dmp
      Filesize

      1.8MB

    • memory/2732-186-0x000000000CC90000-0x000000000D1BC000-memory.dmp
      Filesize

      5.2MB

    • memory/3440-161-0x0000000000600000-0x000000000060A000-memory.dmp
      Filesize

      40KB

    • memory/3520-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB