Analysis

  • max time kernel
    130s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 14:16

General

  • Target

    66d9de22f231f_crypted.exe

  • Size

    324KB

  • MD5

    e600b6015b0312b52214f459fcc6f3c2

  • SHA1

    0e763e33524e467b46d27e5f0603cd2165c47fed

  • SHA256

    65bb6281d63ad091f8b6b4d0c460d9d6c1631fe141fe15b23dc6d23a41e094ad

  • SHA512

    b1c1a68128c2cd75df9cb1d890358fd6bb85d9a62288468a19db3295cc25e6cb97c05fa0b5bc3b1dd2b88bd39b343ce5cd1494ca8ab56352c1e375e88fe7e464

  • SSDEEP

    6144:sPP5QJyXEJZq77hQ8ed1oBj32nQumiUdfg+CYnDNMhXYGenCnaW1qMJyky:cGJyX2EdQ8ed1K+Yfg+DDGYn4aW1TJyD

Malware Config

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

147.45.47.36:30035

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\66d9de22f231f_crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\66d9de22f231f_crypted.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2736
    • 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:2848
      • 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:3124
        • 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:4932
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /tn Path /tr "C:\ProgramData\Path\Path.exe" /st 14:20 /du 23:59 /sc daily /ri 1 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1020
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8BFF.tmp.cmd""
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1104
          • C:\Windows\SysWOW64\timeout.exe
            timeout 6
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1444
  • 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:3444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TmpBA76.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\tmp8BFF.tmp.cmd

    Filesize

    160B

    MD5

    5434434e0270d7f4a993a80cd2408d9f

    SHA1

    f345ed71457865f0c25613321a49105d6301e77c

    SHA256

    b95855f988d648f80192235d06d2d5b80970563c1b075d6a94d403aa516ab0ee

    SHA512

    aed334765ab18c32abb121cbc0889fc75a9c77dd50e25f5f15b394fe3445c316b649c8b01f84e7605a553ff5a77a91f1e2f7cae254499151b56a77e0325f3227

  • memory/2736-1-0x0000000000BD0000-0x0000000000C28000-memory.dmp

    Filesize

    352KB

  • memory/2736-5-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-39-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/2736-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

    Filesize

    4KB

  • memory/2848-35-0x00000000068B0000-0x00000000068C2000-memory.dmp

    Filesize

    72KB

  • memory/2848-8-0x0000000005320000-0x00000000053B2000-memory.dmp

    Filesize

    584KB

  • memory/2848-9-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/2848-27-0x0000000006060000-0x00000000060D6000-memory.dmp

    Filesize

    472KB

  • memory/2848-28-0x00000000067E0000-0x00000000067FE000-memory.dmp

    Filesize

    120KB

  • memory/2848-33-0x0000000006E20000-0x0000000007438000-memory.dmp

    Filesize

    6.1MB

  • memory/2848-34-0x0000000006970000-0x0000000006A7A000-memory.dmp

    Filesize

    1.0MB

  • memory/2848-7-0x0000000005830000-0x0000000005DD4000-memory.dmp

    Filesize

    5.6MB

  • memory/2848-36-0x0000000006910000-0x000000000694C000-memory.dmp

    Filesize

    240KB

  • memory/2848-37-0x0000000006A80000-0x0000000006ACC000-memory.dmp

    Filesize

    304KB

  • memory/2848-38-0x0000000006BC0000-0x0000000006C26000-memory.dmp

    Filesize

    408KB

  • memory/2848-10-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-40-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-41-0x0000000007910000-0x0000000007AD2000-memory.dmp

    Filesize

    1.8MB

  • memory/2848-42-0x0000000009A50000-0x0000000009F7C000-memory.dmp

    Filesize

    5.2MB

  • memory/2848-43-0x0000000007890000-0x00000000078E0000-memory.dmp

    Filesize

    320KB

  • memory/2848-6-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-3-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2848-58-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3124-57-0x0000000000630000-0x00000000006A0000-memory.dmp

    Filesize

    448KB

  • memory/3124-59-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3124-55-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3124-76-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB