Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 15:20

General

  • Target

    01bff0bd2b40804fc3efa9f6c527c4dce0b4a6c5cf1065ba5496ecfb8dcd042e.exe

  • Size

    739KB

  • MD5

    eebc454fd7a373d158995ebafa294d54

  • SHA1

    adf21db0504a53985d7ebbc932ba48dcebe8ecac

  • SHA256

    01bff0bd2b40804fc3efa9f6c527c4dce0b4a6c5cf1065ba5496ecfb8dcd042e

  • SHA512

    bbd5cf50f67e5f9bf667ec097eb237060f39c8d8080a06a8abf7ee31b3866d7d6c9b028e3dbcf1f5448c1c8dacf4ee90f6b031de9b97054b399d71ad0f2ebf45

  • SSDEEP

    12288:vMroy90o/S/AugWc5vWvBkUgRkuOfApAXrZEyGiaWvz37t:3yn6eWh98NOfApAXrk2/t

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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01bff0bd2b40804fc3efa9f6c527c4dce0b4a6c5cf1065ba5496ecfb8dcd042e.exe
    "C:\Users\Admin\AppData\Local\Temp\01bff0bd2b40804fc3efa9f6c527c4dce0b4a6c5cf1065ba5496ecfb8dcd042e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9723996.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9723996.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5788348.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5788348.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5687024.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5687024.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5725355.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5725355.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1736
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6922324.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6922324.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3040
            • 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:5008
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 140
              6⤵
              • Program crash
              PID:5028
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4586915.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4586915.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3040 -ip 3040
    1⤵
      PID:4844

    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\v9723996.exe
      Filesize

      532KB

      MD5

      b6101befc910a8f33f3f98bf655df0ba

      SHA1

      3ccfedaab29848407e78cb6fa0a65ff386f8822b

      SHA256

      1de5b6cda08bd60e2ac1ad12ccf909c412ed5c6e7f9f86f09e76c825a59ac6ce

      SHA512

      fe3ea30572f9ab4c84bf632f5601fb85a03997a68225b0cf76ceff57a915f17b8adda0116b5216de7a4805618d27a3fa65c61580530fb635668a10a5141096e5

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9723996.exe
      Filesize

      532KB

      MD5

      b6101befc910a8f33f3f98bf655df0ba

      SHA1

      3ccfedaab29848407e78cb6fa0a65ff386f8822b

      SHA256

      1de5b6cda08bd60e2ac1ad12ccf909c412ed5c6e7f9f86f09e76c825a59ac6ce

      SHA512

      fe3ea30572f9ab4c84bf632f5601fb85a03997a68225b0cf76ceff57a915f17b8adda0116b5216de7a4805618d27a3fa65c61580530fb635668a10a5141096e5

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5788348.exe
      Filesize

      359KB

      MD5

      31e4745b938f0bf68909778d85eae525

      SHA1

      57d46e9a00f99fe1df1e25f6f01f457b4018d6b8

      SHA256

      8661639edfecae2430f83dd3dfc4d4c280f1ed7eea0ddd2a7224fbe3ff38e04e

      SHA512

      e1517ac305638e0187d968622b8db04759f8c98f89f7a67b4ed1444cf10b4b5e0866b5273b74011ac069294ba562b46c7a4f224275ad9a6bc0593fac2e2243fd

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5788348.exe
      Filesize

      359KB

      MD5

      31e4745b938f0bf68909778d85eae525

      SHA1

      57d46e9a00f99fe1df1e25f6f01f457b4018d6b8

      SHA256

      8661639edfecae2430f83dd3dfc4d4c280f1ed7eea0ddd2a7224fbe3ff38e04e

      SHA512

      e1517ac305638e0187d968622b8db04759f8c98f89f7a67b4ed1444cf10b4b5e0866b5273b74011ac069294ba562b46c7a4f224275ad9a6bc0593fac2e2243fd

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4586915.exe
      Filesize

      172KB

      MD5

      129b2b454fb700bd8bcdcf0a49b51f16

      SHA1

      0bde3bf63b45a414d25f7c1b34903943011d6a19

      SHA256

      1954d4499cd394b022859c5d58ea03554502f32e11ee83c0f9f310f3dae69459

      SHA512

      4317bc78bcd79fcf33f6fad27f013c08dd84507743194e07e984a891c34d4b4c5e30aa56a38c662b445dc2c2463f5a9a6a0b8a9ad49db309282fa206e9553321

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4586915.exe
      Filesize

      172KB

      MD5

      129b2b454fb700bd8bcdcf0a49b51f16

      SHA1

      0bde3bf63b45a414d25f7c1b34903943011d6a19

      SHA256

      1954d4499cd394b022859c5d58ea03554502f32e11ee83c0f9f310f3dae69459

      SHA512

      4317bc78bcd79fcf33f6fad27f013c08dd84507743194e07e984a891c34d4b4c5e30aa56a38c662b445dc2c2463f5a9a6a0b8a9ad49db309282fa206e9553321

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5687024.exe
      Filesize

      204KB

      MD5

      6097751ed3df160512a6a37992436174

      SHA1

      d1969f66bba19acff9caea8bb2f644488d8bab7a

      SHA256

      3fd0047cd3be2a9df5bb1ad00068bdba16190db9ef465cc9114a74cfb7229821

      SHA512

      3c54383a06d314486b93b554535a95f2d2d3ac7004054266af0511badbe84be47671fb6f72e272ff6c876aa2922d2533ebb03f543cf03c15cd1d3dc9e5fd49c2

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5687024.exe
      Filesize

      204KB

      MD5

      6097751ed3df160512a6a37992436174

      SHA1

      d1969f66bba19acff9caea8bb2f644488d8bab7a

      SHA256

      3fd0047cd3be2a9df5bb1ad00068bdba16190db9ef465cc9114a74cfb7229821

      SHA512

      3c54383a06d314486b93b554535a95f2d2d3ac7004054266af0511badbe84be47671fb6f72e272ff6c876aa2922d2533ebb03f543cf03c15cd1d3dc9e5fd49c2

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5725355.exe
      Filesize

      14KB

      MD5

      d3d87170f33a48331be5be99edc20af6

      SHA1

      72ea65fac28d416ff5bd647fddac013e35e1ec22

      SHA256

      1c369346d97e3609e7ba3ec91026c8c8325cc35b8f7b7ec4e841bf5c7768340c

      SHA512

      3491340238582e9999632b98b8baee9a73a452fb99be6e194ef66859070c9f1209dbe00adceb79b3f0fafc7cee7be3b76f644123423ce407b023f24cdbc2b5c4

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a5725355.exe
      Filesize

      14KB

      MD5

      d3d87170f33a48331be5be99edc20af6

      SHA1

      72ea65fac28d416ff5bd647fddac013e35e1ec22

      SHA256

      1c369346d97e3609e7ba3ec91026c8c8325cc35b8f7b7ec4e841bf5c7768340c

      SHA512

      3491340238582e9999632b98b8baee9a73a452fb99be6e194ef66859070c9f1209dbe00adceb79b3f0fafc7cee7be3b76f644123423ce407b023f24cdbc2b5c4

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6922324.exe
      Filesize

      120KB

      MD5

      11016677ce6f3e622ae434d0a056afb8

      SHA1

      d566eeb451d11bc6eafe10c72239072cc87e52c2

      SHA256

      8605ec069b83887524e5293c156e8bb80138bf777845fb724b21bd27bb8be1b1

      SHA512

      24c029a6a0f3901f9465ada16f9b1640955d35625610e776ece0d5f294d4b1916f1fc2cc4996170c55634d83085650b7d59ab9b56964053ce91786d7301401f9

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b6922324.exe
      Filesize

      120KB

      MD5

      11016677ce6f3e622ae434d0a056afb8

      SHA1

      d566eeb451d11bc6eafe10c72239072cc87e52c2

      SHA256

      8605ec069b83887524e5293c156e8bb80138bf777845fb724b21bd27bb8be1b1

      SHA512

      24c029a6a0f3901f9465ada16f9b1640955d35625610e776ece0d5f294d4b1916f1fc2cc4996170c55634d83085650b7d59ab9b56964053ce91786d7301401f9

    • memory/1736-161-0x0000000000790000-0x000000000079A000-memory.dmp
      Filesize

      40KB

    • memory/3880-175-0x0000000000790000-0x00000000007C0000-memory.dmp
      Filesize

      192KB

    • memory/3880-182-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
      Filesize

      64KB

    • memory/3880-176-0x000000000ABA0000-0x000000000B1B8000-memory.dmp
      Filesize

      6.1MB

    • memory/3880-177-0x000000000A710000-0x000000000A81A000-memory.dmp
      Filesize

      1.0MB

    • memory/3880-178-0x000000000A650000-0x000000000A662000-memory.dmp
      Filesize

      72KB

    • memory/3880-179-0x000000000A6B0000-0x000000000A6EC000-memory.dmp
      Filesize

      240KB

    • memory/3880-180-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
      Filesize

      64KB

    • memory/3880-189-0x000000000C8A0000-0x000000000CDCC000-memory.dmp
      Filesize

      5.2MB

    • memory/3880-183-0x000000000B380000-0x000000000B3F6000-memory.dmp
      Filesize

      472KB

    • memory/3880-184-0x000000000B4A0000-0x000000000B532000-memory.dmp
      Filesize

      584KB

    • memory/3880-185-0x000000000B400000-0x000000000B466000-memory.dmp
      Filesize

      408KB

    • memory/3880-186-0x000000000BBF0000-0x000000000C194000-memory.dmp
      Filesize

      5.6MB

    • memory/3880-187-0x000000000B6D0000-0x000000000B720000-memory.dmp
      Filesize

      320KB

    • memory/3880-188-0x000000000C1A0000-0x000000000C362000-memory.dmp
      Filesize

      1.8MB

    • memory/5008-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB