Analysis

  • max time kernel
    77s
  • 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
    24-03-2023 10:57

General

  • Target

    31cf5f6e712eb65f7aee82e4362da66b0210d276083c55c791f5fe37524b7490.exe

  • Size

    540KB

  • MD5

    0de64afaade53b44d5a9bd22f011ad5c

  • SHA1

    9c87ff867ca50f289fc32017f7602353774a0c4e

  • SHA256

    31cf5f6e712eb65f7aee82e4362da66b0210d276083c55c791f5fe37524b7490

  • SHA512

    e507d2771de12cac9353db69fe0dac03b6b4dcaa951b67f59e199b1883dc510fc81504518aaead13f25df0ef226da5ebb8d20e5b1966afe2937a370a696c1d32

  • SSDEEP

    12288:RMrQy90SsA25xEUgGBLKQHKeTc/4gUvmi0+wYPu8aI:dy7HOxEyL+4Lmi0+hu8aI

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

hero

C2

193.233.20.31:4125

Attributes
  • auth_value

    11f3c75a88ca461bcc8d6bf60a1193e3

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\31cf5f6e712eb65f7aee82e4362da66b0210d276083c55c791f5fe37524b7490.exe
    "C:\Users\Admin\AppData\Local\Temp\31cf5f6e712eb65f7aee82e4362da66b0210d276083c55c791f5fe37524b7490.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0898.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0898.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7331.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7331.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1952
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1634.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1634.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 1184
          4⤵
          • Program crash
          PID:3184
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si323235.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si323235.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3976 -ip 3976
    1⤵
      PID:2540

    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\si323235.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si323235.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0898.exe
      Filesize

      398KB

      MD5

      9807b0c35dc7c07f853b52c52f11e67b

      SHA1

      1c2ac1b2e838ccea6e6d7f0696e1a30b50c154ee

      SHA256

      ec3c31ec690589010cf03e55bbca69113514300fc10cfecb23fa33e5f4e6781e

      SHA512

      0277019daddf09311ca0431b8d7400d9f29bc216fa0c54e96df22dd5c27cca30b08c9e501fadc50cc2a043c6b874f2454594a781307223b40fbd863ff75f5848

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0898.exe
      Filesize

      398KB

      MD5

      9807b0c35dc7c07f853b52c52f11e67b

      SHA1

      1c2ac1b2e838ccea6e6d7f0696e1a30b50c154ee

      SHA256

      ec3c31ec690589010cf03e55bbca69113514300fc10cfecb23fa33e5f4e6781e

      SHA512

      0277019daddf09311ca0431b8d7400d9f29bc216fa0c54e96df22dd5c27cca30b08c9e501fadc50cc2a043c6b874f2454594a781307223b40fbd863ff75f5848

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7331.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7331.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1634.exe
      Filesize

      356KB

      MD5

      f396ce1804668e427fa0bdfb3f25cbd5

      SHA1

      0f5d9efb4e86988d1cadbb9ec499c1bf87bb92e6

      SHA256

      21997817f35a211c1280b3cdc4f3e6ff032b37f411cb0110bd9ff91dd715a152

      SHA512

      a01335079922d6bac0f187ea6c7edcb9547808fa3c376209671b86cca4857ffc60bd6ee1ab04f00e14461ed4573cddc606db200e21d6d1944b515fa28482b33e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1634.exe
      Filesize

      356KB

      MD5

      f396ce1804668e427fa0bdfb3f25cbd5

      SHA1

      0f5d9efb4e86988d1cadbb9ec499c1bf87bb92e6

      SHA256

      21997817f35a211c1280b3cdc4f3e6ff032b37f411cb0110bd9ff91dd715a152

      SHA512

      a01335079922d6bac0f187ea6c7edcb9547808fa3c376209671b86cca4857ffc60bd6ee1ab04f00e14461ed4573cddc606db200e21d6d1944b515fa28482b33e

    • memory/1952-147-0x0000000000FC0000-0x0000000000FCA000-memory.dmp
      Filesize

      40KB

    • memory/3244-1084-0x0000000000B80000-0x0000000000BB2000-memory.dmp
      Filesize

      200KB

    • memory/3244-1085-0x00000000057C0000-0x00000000057D0000-memory.dmp
      Filesize

      64KB

    • memory/3976-185-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-195-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-155-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-156-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-157-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-158-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-159-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-161-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-163-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-165-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-167-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-169-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-171-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-173-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-175-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-177-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-179-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-181-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-183-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-153-0x0000000007300000-0x00000000078A4000-memory.dmp
      Filesize

      5.6MB

    • memory/3976-187-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-189-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-191-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-197-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-199-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-154-0x0000000002F00000-0x0000000002F4B000-memory.dmp
      Filesize

      300KB

    • memory/3976-193-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-201-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-203-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-205-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-207-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-209-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-211-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-213-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-215-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-217-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-219-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-221-0x0000000007150000-0x000000000718E000-memory.dmp
      Filesize

      248KB

    • memory/3976-1064-0x00000000079B0000-0x0000000007FC8000-memory.dmp
      Filesize

      6.1MB

    • memory/3976-1065-0x0000000007FD0000-0x00000000080DA000-memory.dmp
      Filesize

      1.0MB

    • memory/3976-1066-0x00000000072C0000-0x00000000072D2000-memory.dmp
      Filesize

      72KB

    • memory/3976-1067-0x00000000080E0000-0x000000000811C000-memory.dmp
      Filesize

      240KB

    • memory/3976-1068-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-1070-0x00000000083C0000-0x0000000008452000-memory.dmp
      Filesize

      584KB

    • memory/3976-1071-0x0000000008460000-0x00000000084C6000-memory.dmp
      Filesize

      408KB

    • memory/3976-1072-0x0000000008B80000-0x0000000008BF6000-memory.dmp
      Filesize

      472KB

    • memory/3976-1073-0x0000000008C00000-0x0000000008C50000-memory.dmp
      Filesize

      320KB

    • memory/3976-1074-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-1075-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB

    • memory/3976-1076-0x0000000009F20000-0x000000000A0E2000-memory.dmp
      Filesize

      1.8MB

    • memory/3976-1077-0x000000000A0F0000-0x000000000A61C000-memory.dmp
      Filesize

      5.2MB

    • memory/3976-1078-0x00000000072F0000-0x0000000007300000-memory.dmp
      Filesize

      64KB