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Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 14:44

General

  • Target

    b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe

  • Size

    723KB

  • MD5

    b5a5bd864a34b00e3f03fecb2697552b

  • SHA1

    8180c1f02b9f9b6bf77471d3831b6b31fcb62f42

  • SHA256

    b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef

  • SHA512

    a4a444c697b3e534deb7ea6ce90a25cb48ce372f8db345381fa1a64ebe0e29849bd8ddb6ea579cefac9cdefad32486f51de39071c7e46e212f3eab22510ba3e9

  • SSDEEP

    12288:BMrWy908s/VrdEwMgIEQP3A5I3zkAMXXOaTBrdEYA0pNqbar2SKD54iT:7yS/FdEdwIDkA8XhpdEYAwNAoJiT

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5783636fbd9e4f0cf9a017bce02e67e

Signatures

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Healer family
  • 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 2 IoCs
  • Redline family
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe
    "C:\Users\Admin\AppData\Local\Temp\b37c7a92be4252134585da6c5cb7f66c996c5a775885353c38511ea349f472ef.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3752
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1244
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sDN53aI.exe

    Filesize

    537KB

    MD5

    24cdcc486d555dd4119920d27420395c

    SHA1

    2420933325ae37d71496fc6fe943267513e8bcbd

    SHA256

    ecff47ddf70bd73c1199ab7c9f08060e36e1fced6c1568457be287f2b471d0e5

    SHA512

    cb1070581eaa8b84a98bd9db961f3d84feb3e45cc244955d6539768ae2220eb8452507cffed20920e8aaf193e81ec6284fa58357e77b37edcdb419c8df4b990d

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sWq63wK.exe

    Filesize

    202KB

    MD5

    5c17583ddedf2bfec0dc7cef0cbe902f

    SHA1

    cd90eb409807e2e1030c1f0197c9b277f0a81852

    SHA256

    0c9e7d8cb20d9f9565ad3905bcc1b4bcce90f3081a3276ce358b9d744784705a

    SHA512

    c6d35effca254123589b9df3890aa86b31a84d9387a09c1787a67a87fd11978beda196d6cb48f62b4dc6be6f8d09253aeb151f89537709b8970797887eeb614f

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\fzu44Wp.exe

    Filesize

    11KB

    MD5

    7e93bacbbc33e6652e147e7fe07572a0

    SHA1

    421a7167da01c8da4dc4d5234ca3dd84e319e762

    SHA256

    850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

    SHA512

    250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hFh67Hj.exe

    Filesize

    175KB

    MD5

    a5f5c5d6291c7ae9e1d1b7ed1e551490

    SHA1

    3d06413341893b838549939e15f8f1eec423d71a

    SHA256

    1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

    SHA512

    d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

  • memory/1244-21-0x00007FFEFA6F3000-0x00007FFEFA6F5000-memory.dmp

    Filesize

    8KB

  • memory/1244-23-0x00007FFEFA6F3000-0x00007FFEFA6F5000-memory.dmp

    Filesize

    8KB

  • memory/1244-22-0x0000000000AE0000-0x0000000000AEA000-memory.dmp

    Filesize

    40KB

  • memory/2440-28-0x00000000007F0000-0x0000000000822000-memory.dmp

    Filesize

    200KB

  • memory/2440-29-0x0000000005760000-0x0000000005D78000-memory.dmp

    Filesize

    6.1MB

  • memory/2440-30-0x00000000052D0000-0x00000000053DA000-memory.dmp

    Filesize

    1.0MB

  • memory/2440-31-0x0000000005200000-0x0000000005212000-memory.dmp

    Filesize

    72KB

  • memory/2440-32-0x00000000053E0000-0x000000000541C000-memory.dmp

    Filesize

    240KB

  • memory/2440-33-0x0000000005220000-0x000000000526C000-memory.dmp

    Filesize

    304KB