Analysis

  • max time kernel
    84s
  • max time network
    130s
  • 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 09:34

General

  • Target

    a1af50530d4b16e0e62c3d95ab8cb704fbc921c772a3791a9ef48e26f40ffd4c.exe

  • Size

    539KB

  • MD5

    8734bd17923f35fdb04382a0791e7c92

  • SHA1

    731380407facc2f77471c8335532b30724a6e480

  • SHA256

    a1af50530d4b16e0e62c3d95ab8cb704fbc921c772a3791a9ef48e26f40ffd4c

  • SHA512

    a5839cd7d8f586de2758c7d9ae050216b4475c9d9f6cf3594dae923735700865fef32791d932a5100da1b6292a4fddead172e488dd6169573468b5ca4c504867

  • SSDEEP

    12288:kMrLy90SbjuzE6xnOzpWfYdxDI4+XTNyRe3DuZ+gio:PyfCYzYfYPuDdu+gio

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\a1af50530d4b16e0e62c3d95ab8cb704fbc921c772a3791a9ef48e26f40ffd4c.exe
    "C:\Users\Admin\AppData\Local\Temp\a1af50530d4b16e0e62c3d95ab8cb704fbc921c772a3791a9ef48e26f40ffd4c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4526.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4526.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9253.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9253.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3004
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1689.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1689.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 1860
          4⤵
          • Program crash
          PID:1200
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si740426.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si740426.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3660
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4884 -ip 4884
    1⤵
      PID:4552

    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\si740426.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si740426.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4526.exe
      Filesize

      397KB

      MD5

      8ffc9cef64fa60997a127d8b6360fd33

      SHA1

      f5f8f5281c0bc21e53eb7e485876174c19b03854

      SHA256

      fcf9f297f9ae6cf821465de988943fff4399882401aa15aec086b95c14475ba4

      SHA512

      47dd165dbe60f41e2311e3d2f5584282193e2c9663f0123cbc40ee37c3a9dcac0461616f54784987af80bd62967c5078c56d0a61444d71c910c9d2619bf3270f

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio4526.exe
      Filesize

      397KB

      MD5

      8ffc9cef64fa60997a127d8b6360fd33

      SHA1

      f5f8f5281c0bc21e53eb7e485876174c19b03854

      SHA256

      fcf9f297f9ae6cf821465de988943fff4399882401aa15aec086b95c14475ba4

      SHA512

      47dd165dbe60f41e2311e3d2f5584282193e2c9663f0123cbc40ee37c3a9dcac0461616f54784987af80bd62967c5078c56d0a61444d71c910c9d2619bf3270f

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9253.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9253.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1689.exe
      Filesize

      355KB

      MD5

      e311739a21e868365681ff5bb64559c8

      SHA1

      5f497b0bef415853d4b1eb22cb8999ffb5e77699

      SHA256

      58011e095f4097bc3e5c710cc7c2bc32c04ee180e7a5f03104e5d2007227f670

      SHA512

      75e4bdf486c9365dda265107fadbc9441fa4a211ce502c45a905a69bec36c9624daf53cd97013b4f225099569d7388a2259a3a2520ad7d9def06bfcb49066e81

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1689.exe
      Filesize

      355KB

      MD5

      e311739a21e868365681ff5bb64559c8

      SHA1

      5f497b0bef415853d4b1eb22cb8999ffb5e77699

      SHA256

      58011e095f4097bc3e5c710cc7c2bc32c04ee180e7a5f03104e5d2007227f670

      SHA512

      75e4bdf486c9365dda265107fadbc9441fa4a211ce502c45a905a69bec36c9624daf53cd97013b4f225099569d7388a2259a3a2520ad7d9def06bfcb49066e81

    • memory/3004-147-0x00000000008E0000-0x00000000008EA000-memory.dmp
      Filesize

      40KB

    • memory/3660-1084-0x0000000000EF0000-0x0000000000F22000-memory.dmp
      Filesize

      200KB

    • memory/3660-1085-0x0000000005B30000-0x0000000005B40000-memory.dmp
      Filesize

      64KB

    • memory/4884-186-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-198-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-155-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-156-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-158-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-160-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-162-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-164-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-166-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-169-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-168-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-172-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-171-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-174-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-176-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-178-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-180-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-182-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-184-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-153-0x0000000002B90000-0x0000000002BDB000-memory.dmp
      Filesize

      300KB

    • memory/4884-188-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-190-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-192-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-194-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-196-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-154-0x0000000007410000-0x00000000079B4000-memory.dmp
      Filesize

      5.6MB

    • memory/4884-202-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-200-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-204-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-206-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-208-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-210-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-212-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-214-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-216-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-218-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-220-0x0000000004D60000-0x0000000004D9E000-memory.dmp
      Filesize

      248KB

    • memory/4884-1063-0x00000000079C0000-0x0000000007FD8000-memory.dmp
      Filesize

      6.1MB

    • memory/4884-1064-0x0000000007FE0000-0x00000000080EA000-memory.dmp
      Filesize

      1.0MB

    • memory/4884-1065-0x00000000073C0000-0x00000000073D2000-memory.dmp
      Filesize

      72KB

    • memory/4884-1066-0x00000000080F0000-0x000000000812C000-memory.dmp
      Filesize

      240KB

    • memory/4884-1067-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-1069-0x00000000083C0000-0x0000000008426000-memory.dmp
      Filesize

      408KB

    • memory/4884-1070-0x0000000008A80000-0x0000000008B12000-memory.dmp
      Filesize

      584KB

    • memory/4884-1071-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-1072-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-1073-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB

    • memory/4884-1074-0x0000000008C80000-0x0000000008CF6000-memory.dmp
      Filesize

      472KB

    • memory/4884-1075-0x0000000008D00000-0x0000000008D50000-memory.dmp
      Filesize

      320KB

    • memory/4884-1076-0x0000000008EB0000-0x0000000009072000-memory.dmp
      Filesize

      1.8MB

    • memory/4884-1077-0x0000000009080000-0x00000000095AC000-memory.dmp
      Filesize

      5.2MB

    • memory/4884-1078-0x0000000007400000-0x0000000007410000-memory.dmp
      Filesize

      64KB