Analysis

  • max time kernel
    126s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 14:53

General

  • Target

    file.exe

  • Size

    312KB

  • MD5

    db1fbaf680dc245b486db86fa852f655

  • SHA1

    355caa80363bc44607efcce4c64d3752a0edf286

  • SHA256

    0b6cd2b1e18193ba33edbd6a3fc464a6e302f0da7f881dd48aedbf6ba993aa32

  • SHA512

    ec923d035cd6d608315c7a7dbd3ffd66afea22dace6f0854e7e97346ca758f6344c32a6a7336e9fd1506207bdee1e408f4a328b7671c7d9248a64e8a56c2e840

  • SSDEEP

    6144:ebVv6RXCrNabG9wcT7XVwBIQv6B2M4m2FxHrkRQyczK+VcpKTCcTj:ebGXCNXX1wus6B2Mo1mKcFcT

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

45.91.202.63:25415

Signatures

  • RedLine

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

  • RedLine payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 6 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 7 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: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Users\Admin\AppData\Local\Temp\filename.exe
        "C:\Users\Admin\AppData\Local\Temp\filename.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1760
        • C:\ProgramData\Path\Path.exe
          "C:\ProgramData\Path\Path.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:696
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /tn Path /tr "C:\ProgramData\Path\Path.exe" /st 14:56 /du 23:59 /sc daily /ri 1 /f
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1748
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp898.tmp.cmd""
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1612
          • C:\Windows\SysWOW64\timeout.exe
            timeout 6
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp8019.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • C:\Users\Admin\AppData\Local\Temp\tmp898.tmp.cmd

    Filesize

    159B

    MD5

    9eb6c19c210fd4e1174b9187d27c9076

    SHA1

    e1cdb006a0a22afa25ae4bee8d1b5c850f5cd2c8

    SHA256

    957a59d3133382e6c1a3f9f49fedc9a072a0b110be12263dce71d439b603f8b3

    SHA512

    cee24266b991900382c112b80193f6309ef4b870d601fcb79b43953dc79d306925a30759fafb641a7f044a439989e8a88507720b34bd56670a1f1ce9f35927c7

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

    Filesize

    426KB

    MD5

    556a8b2afef96f81acde6ca1a525650e

    SHA1

    262909e4686aba13de7ca5a2bf187871fc4fe63b

    SHA256

    b867d368d4597334a036b46816473be270d6779db2428aae75053af8cacf1e85

    SHA512

    52a954cf545b6bfc2057a09b858074bd1dcedd75a3983dff14bc9e72b2da47c375f30568a9310e2751e57291e9186b39d5b8d228f855102631ab95f9743b33d9

  • memory/696-47-0x00000000001E0000-0x0000000000250000-memory.dmp

    Filesize

    448KB

  • memory/1448-5-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-9-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-13-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-11-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-4-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-3-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-6-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1448-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1464-14-0x0000000073DB0000-0x000000007449E000-memory.dmp

    Filesize

    6.9MB

  • memory/1464-0-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

    Filesize

    4KB

  • memory/1464-1-0x0000000000210000-0x0000000000264000-memory.dmp

    Filesize

    336KB

  • memory/1760-37-0x0000000000090000-0x0000000000100000-memory.dmp

    Filesize

    448KB