Analysis

  • max time kernel
    85s
  • max time network
    142s
  • 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 11:07

General

  • Target

    cb8b41fbef8c9d620b994ec15c8215dcd24df38651a4833aa9939780013410d0.exe

  • Size

    539KB

  • MD5

    c83182ec9e206ed0f89fca5e71e5153c

  • SHA1

    e049322681ff262272d97b48433cddc673864021

  • SHA256

    cb8b41fbef8c9d620b994ec15c8215dcd24df38651a4833aa9939780013410d0

  • SHA512

    ec0b178f74c02049e99e6bc614d716b27fc08db73dda759223078ee9c109aef51d19e14cb1c19d75cb61f80edc1471981f80edd68cc3fe33c25ced05f3c038e0

  • SSDEEP

    12288:FMrYy90+1ZLgxndTmz/5sxOBUNc1AgsxL4Dn+FceygC:xyJOoDOc1AB3FceyH

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\cb8b41fbef8c9d620b994ec15c8215dcd24df38651a4833aa9939780013410d0.exe
    "C:\Users\Admin\AppData\Local\Temp\cb8b41fbef8c9d620b994ec15c8215dcd24df38651a4833aa9939780013410d0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio6424.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio6424.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9000.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9000.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1088
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5071.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5071.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1844
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 1640
          4⤵
          • Program crash
          PID:4124
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si546977.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si546977.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1168
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1844 -ip 1844
    1⤵
      PID:3580

    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\si546977.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si546977.exe
      Filesize

      175KB

      MD5

      7c11dfe7837f2079d50113de0e973682

      SHA1

      fae072addd4d56ab67d08ab82da4aac5d7223960

      SHA256

      442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b

      SHA512

      06085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio6424.exe
      Filesize

      397KB

      MD5

      f6f582f94cd5f5b9f16466f0600ebc2e

      SHA1

      7765c73f94d6fb9348a254eab72ceae22eeb2d15

      SHA256

      0847de4414baee8effe3895e5d71b29683261a40f977fc3bc3cd48452aa771b0

      SHA512

      299d0d85a2e6f31c1adf11d5c90a5edbd0fbfb3480361a3ed5a5efd915589a9820e3146011a96f9487599dfd75d5172d4b6c2c45f50feaf76d99e79dc38b5833

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio6424.exe
      Filesize

      397KB

      MD5

      f6f582f94cd5f5b9f16466f0600ebc2e

      SHA1

      7765c73f94d6fb9348a254eab72ceae22eeb2d15

      SHA256

      0847de4414baee8effe3895e5d71b29683261a40f977fc3bc3cd48452aa771b0

      SHA512

      299d0d85a2e6f31c1adf11d5c90a5edbd0fbfb3480361a3ed5a5efd915589a9820e3146011a96f9487599dfd75d5172d4b6c2c45f50feaf76d99e79dc38b5833

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9000.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9000.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5071.exe
      Filesize

      356KB

      MD5

      ca6efd65887fe9b5a4effbfdd0c63845

      SHA1

      8d4d0433e71c8d9b8fc60453fe34601b79a116b1

      SHA256

      752635f97eddc616d5c5007252c80c55fe45604dc1075de7b82f82010168e3e4

      SHA512

      e5fef796b3642f407464894ff57aaeb2810ec12febee842137d2ff0ea0abbae117007742a578dc5b9b12e9d0dee259f4ee7cbc459907cb2678d5e434e5a3a0dd

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5071.exe
      Filesize

      356KB

      MD5

      ca6efd65887fe9b5a4effbfdd0c63845

      SHA1

      8d4d0433e71c8d9b8fc60453fe34601b79a116b1

      SHA256

      752635f97eddc616d5c5007252c80c55fe45604dc1075de7b82f82010168e3e4

      SHA512

      e5fef796b3642f407464894ff57aaeb2810ec12febee842137d2ff0ea0abbae117007742a578dc5b9b12e9d0dee259f4ee7cbc459907cb2678d5e434e5a3a0dd

    • memory/1088-147-0x0000000000780000-0x000000000078A000-memory.dmp
      Filesize

      40KB

    • memory/1168-1083-0x0000000000290000-0x00000000002C2000-memory.dmp
      Filesize

      200KB

    • memory/1168-1084-0x0000000004B90000-0x0000000004BA0000-memory.dmp
      Filesize

      64KB

    • memory/1844-186-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-198-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-154-0x0000000002B90000-0x0000000002BDB000-memory.dmp
      Filesize

      300KB

    • memory/1844-158-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-157-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-156-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB

    • memory/1844-160-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-162-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-164-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-166-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-168-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-170-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-172-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-174-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-176-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-178-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-180-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-182-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-184-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-153-0x0000000007160000-0x0000000007704000-memory.dmp
      Filesize

      5.6MB

    • memory/1844-188-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-190-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-192-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-194-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-196-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-155-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB

    • memory/1844-200-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-202-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-204-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-206-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-208-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-210-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-212-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-214-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-216-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-218-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-220-0x0000000007710000-0x000000000774E000-memory.dmp
      Filesize

      248KB

    • memory/1844-1063-0x00000000078D0000-0x0000000007EE8000-memory.dmp
      Filesize

      6.1MB

    • memory/1844-1064-0x0000000007F70000-0x000000000807A000-memory.dmp
      Filesize

      1.0MB

    • memory/1844-1065-0x00000000080B0000-0x00000000080C2000-memory.dmp
      Filesize

      72KB

    • memory/1844-1067-0x00000000080D0000-0x000000000810C000-memory.dmp
      Filesize

      240KB

    • memory/1844-1066-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB

    • memory/1844-1068-0x00000000083C0000-0x0000000008452000-memory.dmp
      Filesize

      584KB

    • memory/1844-1070-0x0000000008460000-0x00000000084C6000-memory.dmp
      Filesize

      408KB

    • memory/1844-1071-0x0000000008C80000-0x0000000008E42000-memory.dmp
      Filesize

      1.8MB

    • memory/1844-1072-0x0000000008E60000-0x000000000938C000-memory.dmp
      Filesize

      5.2MB

    • memory/1844-1073-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB

    • memory/1844-1074-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB

    • memory/1844-1075-0x0000000009610000-0x0000000009686000-memory.dmp
      Filesize

      472KB

    • memory/1844-1076-0x00000000096A0000-0x00000000096F0000-memory.dmp
      Filesize

      320KB

    • memory/1844-1078-0x00000000047E0000-0x00000000047F0000-memory.dmp
      Filesize

      64KB