Analysis

  • max time kernel
    63s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-08-2021 13:56

General

  • Target

    14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708.exe

  • Size

    1.1MB

  • MD5

    3d2464f216fefa68655ac55172064d74

  • SHA1

    99d8c98dfe10512411122d7f0c84b70fa86508d5

  • SHA256

    14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708

  • SHA512

    e73727d834658727c06a78b3f1969021195546057a0f685808c406a22bde6543e45f63d170c8ef21d52b174e9aa76b5903f0e46a34164ea2bfde1de4977d5d15

Malware Config

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

raccoon

Botnet

c81fb6015c832710f869f6911e1aec18747e0184

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

kullasa.ac.ug

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708.exe
    "C:\Users\Admin\AppData\Local\Temp\14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Users\Admin\AppData\Roaming\Acvxgfds.exe
      "C:\Users\Admin\AppData\Roaming\Acvxgfds.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Users\Admin\AppData\Roaming\Acvxgfds.exe
        "C:\Users\Admin\AppData\Roaming\Acvxgfds.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:2780
    • C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe
      "C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe
        "C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:4092
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 4092 & erase C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe & RD /S /Q C:\\ProgramData\\034096819410569\\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2320
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /pid 4092
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:3960
    • C:\Users\Admin\AppData\Local\Temp\14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708.exe
      "C:\Users\Admin\AppData\Local\Temp\14a0d25b4d33216e9110c9588fa3168105efdad28827e772c4798337544eb708.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:2852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 1460
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2200

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Acvxgfds.exe
    MD5

    58e6b9a050a9dce891a8faa5eabd1e6d

    SHA1

    44638786aac00131272b4b279cd12a38747a6e6e

    SHA256

    5164a36ffe407d4e2d98081c86fcc8f495631bf090c6493ecb2c92192bba6e74

    SHA512

    cfa526cce70ede8c24e0830c21f47473badb3cdbfb44e3718e25d821638d5810ba2c5416ab7274f454ed2a7539620f4e48cfeaafdb0e87fbb7b691e52c6a0407

  • C:\Users\Admin\AppData\Roaming\Acvxgfds.exe
    MD5

    58e6b9a050a9dce891a8faa5eabd1e6d

    SHA1

    44638786aac00131272b4b279cd12a38747a6e6e

    SHA256

    5164a36ffe407d4e2d98081c86fcc8f495631bf090c6493ecb2c92192bba6e74

    SHA512

    cfa526cce70ede8c24e0830c21f47473badb3cdbfb44e3718e25d821638d5810ba2c5416ab7274f454ed2a7539620f4e48cfeaafdb0e87fbb7b691e52c6a0407

  • C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe
    MD5

    929e8d786675b6c5707b2eba8d1b51fc

    SHA1

    3d93aa9d13718221281d123ccb23cdac9242f797

    SHA256

    44e98a85029075bcc1ece3368752b676671f116827039b32665290f2bd1e4c53

    SHA512

    f90d063182a58625601aaf8db9121b2d80eaffd79f6a4d25a9de553c5d4c1d17260d48d65795eacf5d81208d749f345a67f3880176355a6b87529df50901b825

  • C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe
    MD5

    929e8d786675b6c5707b2eba8d1b51fc

    SHA1

    3d93aa9d13718221281d123ccb23cdac9242f797

    SHA256

    44e98a85029075bcc1ece3368752b676671f116827039b32665290f2bd1e4c53

    SHA512

    f90d063182a58625601aaf8db9121b2d80eaffd79f6a4d25a9de553c5d4c1d17260d48d65795eacf5d81208d749f345a67f3880176355a6b87529df50901b825

  • C:\Users\Admin\AppData\Roaming\Bdsfgsdf.exe
    MD5

    929e8d786675b6c5707b2eba8d1b51fc

    SHA1

    3d93aa9d13718221281d123ccb23cdac9242f797

    SHA256

    44e98a85029075bcc1ece3368752b676671f116827039b32665290f2bd1e4c53

    SHA512

    f90d063182a58625601aaf8db9121b2d80eaffd79f6a4d25a9de553c5d4c1d17260d48d65795eacf5d81208d749f345a67f3880176355a6b87529df50901b825

  • \Users\Admin\AppData\LocalLow\sqlite3.dll
    MD5

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

  • memory/680-124-0x0000000000760000-0x0000000000761000-memory.dmp
    Filesize

    4KB

  • memory/2320-139-0x0000000000000000-mapping.dmp
  • memory/2528-116-0x0000000000000000-mapping.dmp
  • memory/2528-126-0x0000000000660000-0x0000000000661000-memory.dmp
    Filesize

    4KB

  • memory/2528-132-0x0000000000670000-0x0000000000677000-memory.dmp
    Filesize

    28KB

  • memory/2736-125-0x0000000000670000-0x0000000000671000-memory.dmp
    Filesize

    4KB

  • memory/2736-118-0x0000000000000000-mapping.dmp
  • memory/2780-127-0x000000000041A684-mapping.dmp
  • memory/2780-133-0x0000000000400000-0x0000000000425000-memory.dmp
    Filesize

    148KB

  • memory/2780-134-0x0000000000520000-0x0000000000521000-memory.dmp
    Filesize

    4KB

  • memory/2852-135-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/2852-136-0x0000000001F80000-0x0000000001F81000-memory.dmp
    Filesize

    4KB

  • memory/2852-128-0x000000000043F877-mapping.dmp
  • memory/3960-140-0x0000000000000000-mapping.dmp
  • memory/4092-137-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/4092-138-0x00000000004A0000-0x00000000004A1000-memory.dmp
    Filesize

    4KB

  • memory/4092-130-0x0000000000417A8B-mapping.dmp