Analysis

  • max time kernel
    99s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2023 20:59

General

  • Target

    26ef8f6113e1fc1b5382c94560d2e1ddca69c878c24da8f57e7da552bec62423.exe

  • Size

    544KB

  • MD5

    5174c8e36c0eb9017929c0b06bf168c6

  • SHA1

    029e3c55ea488801cb827a54d2475c9c776df7fc

  • SHA256

    26ef8f6113e1fc1b5382c94560d2e1ddca69c878c24da8f57e7da552bec62423

  • SHA512

    37790b1068d28ab63dd4c9af0aa1d2420ab0c44466551dee3ebc078f6cead4ec284f3e40f5d25f007641371a618f7be988e8468a9f150bc58cd3eca02d401623

  • SSDEEP

    12288:CMrAy90mKFcs4PB7cokeXwqgUmMLowToFT/gpf3:uybe4B7XMHM8rmf3

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

lown

C2

193.233.20.31:4125

Attributes
  • auth_value

    4cf836e062bcdc2a4fdbf410f5747ec7

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 33 IoCs
  • Executes dropped EXE 4 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 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26ef8f6113e1fc1b5382c94560d2e1ddca69c878c24da8f57e7da552bec62423.exe
    "C:\Users\Admin\AppData\Local\Temp\26ef8f6113e1fc1b5382c94560d2e1ddca69c878c24da8f57e7da552bec62423.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba5152.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba5152.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h30zP76.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h30zP76.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2212
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iknzA79.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iknzA79.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 1324
          4⤵
          • Program crash
          PID:3932
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l48GZ46.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l48GZ46.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4280
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5016 -ip 5016
    1⤵
      PID:4368

    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\l48GZ46.exe
      Filesize

      175KB

      MD5

      50809fe16d7c482c1f4a2ea19fdcbc0a

      SHA1

      11b6f69c06a724da15183b16039c5cbc86016158

      SHA256

      09917b67829de37b5d6be8115c8f8321f436554f426a24e079257a8368051cb1

      SHA512

      c35170e5eb6dabda9fd2d289153df829957ca8e9665178529a1ba36395155bb34f489372993ec694d10bea490c86cef2ae152e2df480288aca8e796ba135261f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l48GZ46.exe
      Filesize

      175KB

      MD5

      50809fe16d7c482c1f4a2ea19fdcbc0a

      SHA1

      11b6f69c06a724da15183b16039c5cbc86016158

      SHA256

      09917b67829de37b5d6be8115c8f8321f436554f426a24e079257a8368051cb1

      SHA512

      c35170e5eb6dabda9fd2d289153df829957ca8e9665178529a1ba36395155bb34f489372993ec694d10bea490c86cef2ae152e2df480288aca8e796ba135261f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba5152.exe
      Filesize

      402KB

      MD5

      b29226b55ec930d14fd90b39c3c1cd3f

      SHA1

      6d258181087c8823da8eb8b1e498073f46f01ed7

      SHA256

      22e38df5ef42522e9d7d6efba690a1f72c86078798c8eefa8a244a4ca98e78d7

      SHA512

      ad625c9fa34d980c04502dd986c4121fb4ce0ed247fcdebe7a9307de24c77e99e5d02f49557f5d63b42f5f90dc88aa16d38d180856b68b2d31f26fed97fc4ead

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\niba5152.exe
      Filesize

      402KB

      MD5

      b29226b55ec930d14fd90b39c3c1cd3f

      SHA1

      6d258181087c8823da8eb8b1e498073f46f01ed7

      SHA256

      22e38df5ef42522e9d7d6efba690a1f72c86078798c8eefa8a244a4ca98e78d7

      SHA512

      ad625c9fa34d980c04502dd986c4121fb4ce0ed247fcdebe7a9307de24c77e99e5d02f49557f5d63b42f5f90dc88aa16d38d180856b68b2d31f26fed97fc4ead

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h30zP76.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\h30zP76.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iknzA79.exe
      Filesize

      349KB

      MD5

      ce0bb221a007a3da81b7e90bd71e38d3

      SHA1

      8710be8c7460f7b836fd5eb13b249ee701389d2d

      SHA256

      5fb096410987e939c201edc576b532de8bfe4ce22584433ae44bd9f3812a261a

      SHA512

      9d932b3820a8fab9a98b390e0809e0dc9b5a248afc9be5cc8b42b9a7eccf895662f2af69ba230472eac1e609f20ae16f968922b430de0e33b0b0be07fba6ba3f

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iknzA79.exe
      Filesize

      349KB

      MD5

      ce0bb221a007a3da81b7e90bd71e38d3

      SHA1

      8710be8c7460f7b836fd5eb13b249ee701389d2d

      SHA256

      5fb096410987e939c201edc576b532de8bfe4ce22584433ae44bd9f3812a261a

      SHA512

      9d932b3820a8fab9a98b390e0809e0dc9b5a248afc9be5cc8b42b9a7eccf895662f2af69ba230472eac1e609f20ae16f968922b430de0e33b0b0be07fba6ba3f

    • memory/2212-147-0x0000000000C50000-0x0000000000C5A000-memory.dmp
      Filesize

      40KB

    • memory/4280-1083-0x00000000007A0000-0x00000000007D2000-memory.dmp
      Filesize

      200KB

    • memory/4280-1084-0x0000000005050000-0x0000000005060000-memory.dmp
      Filesize

      64KB

    • memory/5016-186-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-198-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-155-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB

    • memory/5016-156-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB

    • memory/5016-157-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-158-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-160-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-162-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-164-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-166-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-168-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-170-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-172-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-174-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-176-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-178-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-180-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-182-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-184-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-153-0x0000000004E50000-0x00000000053F4000-memory.dmp
      Filesize

      5.6MB

    • memory/5016-188-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-190-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-192-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-194-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-196-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-154-0x00000000007E0000-0x000000000082B000-memory.dmp
      Filesize

      300KB

    • memory/5016-200-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-202-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-206-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-208-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-204-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-210-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-212-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-214-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-216-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-218-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-220-0x00000000026C0000-0x00000000026FE000-memory.dmp
      Filesize

      248KB

    • memory/5016-1063-0x0000000005500000-0x0000000005B18000-memory.dmp
      Filesize

      6.1MB

    • memory/5016-1064-0x0000000005B20000-0x0000000005C2A000-memory.dmp
      Filesize

      1.0MB

    • memory/5016-1065-0x0000000005C40000-0x0000000005C52000-memory.dmp
      Filesize

      72KB

    • memory/5016-1066-0x0000000005C60000-0x0000000005C9C000-memory.dmp
      Filesize

      240KB

    • memory/5016-1067-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB

    • memory/5016-1069-0x0000000005F50000-0x0000000005FB6000-memory.dmp
      Filesize

      408KB

    • memory/5016-1070-0x0000000006750000-0x00000000067E2000-memory.dmp
      Filesize

      584KB

    • memory/5016-1072-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB

    • memory/5016-1071-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB

    • memory/5016-1073-0x0000000006850000-0x00000000068C6000-memory.dmp
      Filesize

      472KB

    • memory/5016-1074-0x00000000068D0000-0x0000000006920000-memory.dmp
      Filesize

      320KB

    • memory/5016-1075-0x0000000006C40000-0x0000000006E02000-memory.dmp
      Filesize

      1.8MB

    • memory/5016-1076-0x0000000006E10000-0x000000000733C000-memory.dmp
      Filesize

      5.2MB

    • memory/5016-1078-0x0000000004E40000-0x0000000004E50000-memory.dmp
      Filesize

      64KB