Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05-06-2023 01:23

General

  • Target

    5dffc7254a3daeec3b53cd052ce09422f89b2b2b96d42ed83441fd63750b74be.exe

  • Size

    581KB

  • MD5

    4e284b1257451e69eeec6a0f70199f60

  • SHA1

    a1dde698c9cbaf62057dc5db558d1cc851b1201e

  • SHA256

    5dffc7254a3daeec3b53cd052ce09422f89b2b2b96d42ed83441fd63750b74be

  • SHA512

    74dd32faebae44f5632d00da15aedcf9e65c7c40ba2f0c7f3fb9a18d30b83b8f18260a58e17943b1f58bc5177ddebcd6e32d76a4d93881d4075c5648723b081d

  • SSDEEP

    12288:fMrFy90MhQtPwx7D8WiL5TNGJYpthp6Bo5IXUcn:OyctoFD8dZrCo5IXUS

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 5 IoCs
  • RedLine

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

  • 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
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5dffc7254a3daeec3b53cd052ce09422f89b2b2b96d42ed83441fd63750b74be.exe
    "C:\Users\Admin\AppData\Local\Temp\5dffc7254a3daeec3b53cd052ce09422f89b2b2b96d42ed83441fd63750b74be.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6362982.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6362982.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0929784.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0929784.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2896
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5387004.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5387004.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4248
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3202068.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3202068.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6362982.exe

    Filesize

    377KB

    MD5

    59c8a3351885c154b9eb61b551300fc9

    SHA1

    4c66eea50df647d8e0fdd942a5106f196fd1d24c

    SHA256

    1c3ba1a41a51a9f995d018c30a7708b14cc97e02ecd204967ef7056fa0c798db

    SHA512

    cee3cadd4b763662eb74bea2e73df295bbd99242fdc1098350f789a134d1f9cd32336809a58c53f25be5c8efa064822f020e0be277e7445d7e0581b86419dc64

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6362982.exe

    Filesize

    377KB

    MD5

    59c8a3351885c154b9eb61b551300fc9

    SHA1

    4c66eea50df647d8e0fdd942a5106f196fd1d24c

    SHA256

    1c3ba1a41a51a9f995d018c30a7708b14cc97e02ecd204967ef7056fa0c798db

    SHA512

    cee3cadd4b763662eb74bea2e73df295bbd99242fdc1098350f789a134d1f9cd32336809a58c53f25be5c8efa064822f020e0be277e7445d7e0581b86419dc64

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0929784.exe

    Filesize

    206KB

    MD5

    aa48ed0be159d9e40f5137ddb4cb6ea1

    SHA1

    2b5036c62f158bcc6f27fbf6bdff2d5364cd75d5

    SHA256

    9627596933e2e8f18d87303635f6d4b4e62c0f9d93d5d61c87ad5e4d112f4460

    SHA512

    af12887859b3e1777bea067697903dadb90965efcc5c9ad0e940111c0cd76a2315dfea063fcd6615116b6d1c58ef5d97ca5623b8fd416e7e7b9b28a68d308754

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v0929784.exe

    Filesize

    206KB

    MD5

    aa48ed0be159d9e40f5137ddb4cb6ea1

    SHA1

    2b5036c62f158bcc6f27fbf6bdff2d5364cd75d5

    SHA256

    9627596933e2e8f18d87303635f6d4b4e62c0f9d93d5d61c87ad5e4d112f4460

    SHA512

    af12887859b3e1777bea067697903dadb90965efcc5c9ad0e940111c0cd76a2315dfea063fcd6615116b6d1c58ef5d97ca5623b8fd416e7e7b9b28a68d308754

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5387004.exe

    Filesize

    11KB

    MD5

    4c4ef888cc493f9e92c1d330b01bcff6

    SHA1

    ca17575cd69197ab39e875c1e7a2eb72fc25f8ba

    SHA256

    19985d10279bee2bb04bda3bc3f6c37ab8c3ab66df4adff597aaff60debd7348

    SHA512

    ef90cf20c7e5900a551db04f28507501256c19c1cb3e23c08de9e93d4bc874c40b9792012d6570fbc16fe4dc39694a32ac1094926b9e33c4ec96a1cb3dfe788d

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5387004.exe

    Filesize

    11KB

    MD5

    4c4ef888cc493f9e92c1d330b01bcff6

    SHA1

    ca17575cd69197ab39e875c1e7a2eb72fc25f8ba

    SHA256

    19985d10279bee2bb04bda3bc3f6c37ab8c3ab66df4adff597aaff60debd7348

    SHA512

    ef90cf20c7e5900a551db04f28507501256c19c1cb3e23c08de9e93d4bc874c40b9792012d6570fbc16fe4dc39694a32ac1094926b9e33c4ec96a1cb3dfe788d

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3202068.exe

    Filesize

    172KB

    MD5

    d4c833a252a1bcd102b86907be9a8af3

    SHA1

    4e1b3c5de967e4bb50c313a7fb0c18411e1dab74

    SHA256

    f952db86d909c66ec4850a145d58a8173c529d2f60c8ba00d087862ab9ad2d83

    SHA512

    781543b47d645bcc65f220ce183b01355ff10781b4e7a91941e5c2124b62fe27b83f0f88ecc32125f70706bcc8787040d062e588c30878e6322b976fba1080e5

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b3202068.exe

    Filesize

    172KB

    MD5

    d4c833a252a1bcd102b86907be9a8af3

    SHA1

    4e1b3c5de967e4bb50c313a7fb0c18411e1dab74

    SHA256

    f952db86d909c66ec4850a145d58a8173c529d2f60c8ba00d087862ab9ad2d83

    SHA512

    781543b47d645bcc65f220ce183b01355ff10781b4e7a91941e5c2124b62fe27b83f0f88ecc32125f70706bcc8787040d062e588c30878e6322b976fba1080e5

  • memory/4248-142-0x0000000000DF0000-0x0000000000DFA000-memory.dmp

    Filesize

    40KB

  • memory/4988-150-0x0000000004D80000-0x0000000004E8A000-memory.dmp

    Filesize

    1.0MB

  • memory/4988-154-0x0000000004CF0000-0x0000000004D3B000-memory.dmp

    Filesize

    300KB

  • memory/4988-149-0x0000000005280000-0x0000000005886000-memory.dmp

    Filesize

    6.0MB

  • memory/4988-147-0x0000000000330000-0x0000000000360000-memory.dmp

    Filesize

    192KB

  • memory/4988-151-0x0000000004B30000-0x0000000004B42000-memory.dmp

    Filesize

    72KB

  • memory/4988-152-0x0000000004CB0000-0x0000000004CEE000-memory.dmp

    Filesize

    248KB

  • memory/4988-153-0x0000000004B60000-0x0000000004B70000-memory.dmp

    Filesize

    64KB

  • memory/4988-148-0x00000000025F0000-0x00000000025F6000-memory.dmp

    Filesize

    24KB

  • memory/4988-155-0x0000000004B60000-0x0000000004B70000-memory.dmp

    Filesize

    64KB

  • memory/4988-156-0x0000000004FC0000-0x0000000005036000-memory.dmp

    Filesize

    472KB

  • memory/4988-157-0x00000000050E0000-0x0000000005172000-memory.dmp

    Filesize

    584KB

  • memory/4988-158-0x00000000062A0000-0x000000000679E000-memory.dmp

    Filesize

    5.0MB

  • memory/4988-159-0x00000000051F0000-0x0000000005256000-memory.dmp

    Filesize

    408KB

  • memory/4988-160-0x0000000006070000-0x0000000006232000-memory.dmp

    Filesize

    1.8MB

  • memory/4988-161-0x0000000007FF0000-0x000000000851C000-memory.dmp

    Filesize

    5.2MB

  • memory/4988-162-0x0000000005C10000-0x0000000005C60000-memory.dmp

    Filesize

    320KB