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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/11/2024, 20:47

General

  • Target

    2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe

  • Size

    476KB

  • MD5

    552dc0022f8adf534460b34a01ed8c6f

  • SHA1

    29f5f1cf735a2473058de493168ad5e2a446dd4a

  • SHA256

    2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3

  • SHA512

    5fe66b9f4818cdba0523b1831584e0c5cf4c7121431aeb1e14170dee2b7da697fb33374991bdf910e7966a002caaeb9ddd50858cd3bc059a2d9c23004517ea35

  • SSDEEP

    12288:9MrIy90IHyVN5V0mlQ0z36tvg2RmV2Wm89:1ymVFC0L61gMXWL9

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe
    "C:\Users\Admin\AppData\Local\Temp\2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJW99.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJW99.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJW99.exe

    Filesize

    202KB

    MD5

    2bf88c73165dabcc344513bd9ee97ee2

    SHA1

    11ffd144a0ebf9cc3ef4ea283613776cb0f3da86

    SHA256

    dcdff4a1bf231ee65cf7690a52ba7d660c35e54a48c7e810c07af23c94f3bd64

    SHA512

    6d5e0648684c0676c2a260b66e765dd1dd093f0da191be0da98157588494df52ea35ee11c0151f5f55491c283c0d692f079dce3c7e5244e34e95a6d01dd60820

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe

    Filesize

    175KB

    MD5

    a5f5c5d6291c7ae9e1d1b7ed1e551490

    SHA1

    3d06413341893b838549939e15f8f1eec423d71a

    SHA256

    1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

    SHA512

    d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

  • memory/3640-14-0x000000007416E000-0x000000007416F000-memory.dmp

    Filesize

    4KB

  • memory/3640-15-0x00000000004F0000-0x0000000000522000-memory.dmp

    Filesize

    200KB

  • memory/3640-16-0x00000000054B0000-0x0000000005AC8000-memory.dmp

    Filesize

    6.1MB

  • memory/3640-17-0x0000000004FD0000-0x00000000050DA000-memory.dmp

    Filesize

    1.0MB

  • memory/3640-18-0x0000000004F00000-0x0000000004F12000-memory.dmp

    Filesize

    72KB

  • memory/3640-19-0x0000000004F80000-0x0000000004FBC000-memory.dmp

    Filesize

    240KB

  • memory/3640-20-0x00000000050E0000-0x000000000512C000-memory.dmp

    Filesize

    304KB

  • memory/3640-21-0x000000007416E000-0x000000007416F000-memory.dmp

    Filesize

    4KB