Analysis

  • max time kernel
    113s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 12:03

General

  • Target

    66dcad8f5f33a_crypted.exe

  • Size

    313KB

  • MD5

    b8010780cbccba9ec2e20d7b3c17c6be

  • SHA1

    30904082c6866796d664f0042780207c5fcf59ba

  • SHA256

    49c25f225e9c5a3ffb651a2ede3505b0faccfbef4f43652d7321388ce6c4b864

  • SHA512

    a98c9acbb1be1802ab2b430fee7aaf0db166ca3dc25b728c6da7535ce884f9dfbef63f45cac55f4ed208630da8f587378ddf5504e5479b85eec62e4d84460205

  • SSDEEP

    6144:GwWRWpJv0YaCeIplG59br5OZ3p2GAbdZCHZnHUCy9X/qWCGGUJEqY3nfT5B/b6Bf:GwAWXx5eIplObs3peSHtHUCWX/qWvVYk

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

5.42.92.222:7880

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66dcad8f5f33a_crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\66dcad8f5f33a_crypted.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Temp\filename.exe
        "C:\Users\Admin\AppData\Local\Temp\filename.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\ProgramData\Path\Path.exe
          "C:\ProgramData\Path\Path.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4400
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /tn Path /tr "C:\ProgramData\Path\Path.exe" /st 12:05 /du 23:59 /sc daily /ri 1 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:264
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7C7E.tmp.cmd""
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Windows\SysWOW64\timeout.exe
            timeout 6
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:472
  • C:\ProgramData\Path\Path.exe
    C:\ProgramData\Path\Path.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TmpB2F4.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • C:\Users\Admin\AppData\Local\Temp\filename.exe

    Filesize

    426KB

    MD5

    556a8b2afef96f81acde6ca1a525650e

    SHA1

    262909e4686aba13de7ca5a2bf187871fc4fe63b

    SHA256

    b867d368d4597334a036b46816473be270d6779db2428aae75053af8cacf1e85

    SHA512

    52a954cf545b6bfc2057a09b858074bd1dcedd75a3983dff14bc9e72b2da47c375f30568a9310e2751e57291e9186b39d5b8d228f855102631ab95f9743b33d9

  • C:\Users\Admin\AppData\Local\Temp\tmp7C7E.tmp.cmd

    Filesize

    160B

    MD5

    00e0fafa8aaa082b8da96cbc13ba7408

    SHA1

    0fa2a1ea9e343663dc4518216b639c2ee5adb6db

    SHA256

    ced6065611e48ba100616c9295f46a36154ed85981a194f051a12c7037318f0d

    SHA512

    2ce501453aebe6364362c1e878596620c95e11a26f206b9796f566adee8139589d33a982a01939983f26d5538e3d64cf4d2f874e31eb114aaae49779a494d466

  • memory/1392-78-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1392-61-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1392-58-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1392-57-0x0000000000E20000-0x0000000000E90000-memory.dmp

    Filesize

    448KB

  • memory/1892-35-0x0000000006DD0000-0x0000000006E0C000-memory.dmp

    Filesize

    240KB

  • memory/1892-41-0x0000000007B50000-0x0000000007BA0000-memory.dmp

    Filesize

    320KB

  • memory/1892-11-0x0000000005720000-0x000000000572A000-memory.dmp

    Filesize

    40KB

  • memory/1892-9-0x0000000005680000-0x0000000005712000-memory.dmp

    Filesize

    584KB

  • memory/1892-28-0x0000000006460000-0x00000000064D6000-memory.dmp

    Filesize

    472KB

  • memory/1892-29-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

    Filesize

    120KB

  • memory/1892-32-0x00000000072E0000-0x00000000078F8000-memory.dmp

    Filesize

    6.1MB

  • memory/1892-33-0x0000000006E30000-0x0000000006F3A000-memory.dmp

    Filesize

    1.0MB

  • memory/1892-34-0x0000000006D70000-0x0000000006D82000-memory.dmp

    Filesize

    72KB

  • memory/1892-4-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1892-36-0x0000000006F40000-0x0000000006F8C000-memory.dmp

    Filesize

    304KB

  • memory/1892-37-0x0000000007080000-0x00000000070E6000-memory.dmp

    Filesize

    408KB

  • memory/1892-60-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-10-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-42-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-43-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/1892-44-0x00000000085B0000-0x0000000008772000-memory.dmp

    Filesize

    1.8MB

  • memory/1892-45-0x0000000008CB0000-0x00000000091DC000-memory.dmp

    Filesize

    5.2MB

  • memory/1892-8-0x0000000005C30000-0x00000000061D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1892-7-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

  • memory/3036-6-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3036-40-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3036-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3036-2-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3036-1-0x0000000000330000-0x0000000000384000-memory.dmp

    Filesize

    336KB