Analysis

  • max time kernel
    96s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 22:29

General

  • Target

    NursultanAlphabyJenshinix.exe

  • Size

    2.8MB

  • MD5

    a3daaf05c90ee6bbd023d34d24a9f2c0

  • SHA1

    086e648083ac147d4e92f1426ee456172ab70c55

  • SHA256

    2ce68bb6fcc8ed6acbc052e2b3b7f159824496b04189dccdcff35e015b04dfdc

  • SHA512

    d1ac71be5a211801dc48cdaa314e4bcb15bbe73b25a0a8620048171c99a5e71e49a1679e618c9086c7144cb3ce68fbf4a98c798a5c5c41744a3f5ea4603d71b3

  • SSDEEP

    24576:5mjFF4KbhvUScYxns/bl1UkHens7bHf1H2clqK0is+LQM0Hl1i8w0dpfjrXXt40O:5mBzbhvfcYKvlqNiQ/j92FMnv1NVwz

Malware Config

Extracted

Family

redline

Botnet

Traffic

C2

147.45.44.224:1912

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 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.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NursultanAlphabyJenshinix.exe
    "C:\Users\Admin\AppData\Local\Temp\NursultanAlphabyJenshinix.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -WindowStyle Hidden -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABtAG0AaABhAG4AeQBpADAAcAB2AGgAUQBUAE8AJwA=
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4736
    • C:\Users\Admin\AppData\Roaming\mmhanyi0pvhQTO\kfisdi.exe
      "C:\Users\Admin\AppData\Roaming\mmhanyi0pvhQTO\kfisdi.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t2clthdl.p45.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\mmhanyi0pvhQTO\kfisdi.exe

    Filesize

    300KB

    MD5

    958efb5bc1c9d1599ac58790835745a6

    SHA1

    b28438419c858cf3d63796ec606e2ee75c4126b8

    SHA256

    ab3eddd106e20dac4f5558f73416e9b5fa2d9f572d90c91c0cf3799a5a289b18

    SHA512

    07f6b2ca68ce2c614b55f31c352dc15c2c110842637471e295ccad66400be934779c9b79d6c86a80c224050f2b125945ef337caa2bd08e58ae5120cbada1c408

  • memory/4736-0-0x00007FFDC4013000-0x00007FFDC4015000-memory.dmp

    Filesize

    8KB

  • memory/4736-1-0x000001B76ED20000-0x000001B76ED42000-memory.dmp

    Filesize

    136KB

  • memory/4736-11-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4736-12-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4736-13-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4736-16-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

    Filesize

    10.8MB

  • memory/4916-30-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4916-35-0x00000000059E0000-0x00000000059F2000-memory.dmp

    Filesize

    72KB

  • memory/4916-28-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/4916-31-0x00000000057A0000-0x0000000005832000-memory.dmp

    Filesize

    584KB

  • memory/4916-32-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/4916-33-0x0000000006920000-0x0000000006F38000-memory.dmp

    Filesize

    6.1MB

  • memory/4916-34-0x0000000005AB0000-0x0000000005BBA000-memory.dmp

    Filesize

    1.0MB

  • memory/4916-29-0x0000000000CF0000-0x0000000000D42000-memory.dmp

    Filesize

    328KB

  • memory/4916-36-0x0000000005A40000-0x0000000005A7C000-memory.dmp

    Filesize

    240KB

  • memory/4916-37-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

    Filesize

    304KB

  • memory/4916-38-0x0000000006400000-0x0000000006466000-memory.dmp

    Filesize

    408KB

  • memory/4916-39-0x0000000007270000-0x0000000007432000-memory.dmp

    Filesize

    1.8MB

  • memory/4916-40-0x0000000007970000-0x0000000007E9C000-memory.dmp

    Filesize

    5.2MB

  • memory/4916-41-0x0000000007440000-0x0000000007490000-memory.dmp

    Filesize

    320KB

  • memory/4916-42-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB