Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    21/03/2022, 14:02

General

  • Target
    af4f1d3258ba476b0ca39ba1b17b6a8c.exe
  • Size 407KB
  • Sample220321-rb57sacgd8
  • SHA256 8e88a317b2a066bbf484f480b1d982880d3749a0ab5d33bab5de59bcaec22b5b
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • 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.

  • Drops file in Windows directory 62 IoCs
  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af4f1d3258ba476b0ca39ba1b17b6a8c.exe
    "C:\Users\Admin\AppData\Local\Temp\af4f1d3258ba476b0ca39ba1b17b6a8c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 1392
      2⤵
      • Program crash
      PID:4628
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3652
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4720 -ip 4720
    1⤵
      PID:3672

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3652-155-0x000001EC7CC50000-0x000001EC7CC54000-memory.dmp

          memory/3652-165-0x000001EC7CCD0000-0x000001EC7CCD4000-memory.dmp

          memory/3652-164-0x000001EC7CD70000-0x000001EC7CD74000-memory.dmp

          memory/3652-163-0x000001EC7CD20000-0x000001EC7CD24000-memory.dmp

          memory/3652-138-0x000001EC7A290000-0x000001EC7A2A0000-memory.dmp

          memory/3652-139-0x000001EC7A2F0000-0x000001EC7A300000-memory.dmp

          memory/3652-140-0x000001EC7C8B0000-0x000001EC7C8B4000-memory.dmp

          memory/3652-162-0x000001EC7CD30000-0x000001EC7CD34000-memory.dmp

          memory/3652-158-0x000001EC7CC40000-0x000001EC7CC41000-memory.dmp

          memory/3652-157-0x000001EC7CC50000-0x000001EC7CC54000-memory.dmp

          memory/3652-156-0x000001EC7CC40000-0x000001EC7CC44000-memory.dmp

          memory/4720-142-0x0000000004C00000-0x0000000004C01000-memory.dmp

          memory/4720-144-0x0000000004C03000-0x0000000004C04000-memory.dmp

          memory/4720-147-0x00000000058B0000-0x00000000058C2000-memory.dmp

          memory/4720-148-0x00000000058D0000-0x00000000059DA000-memory.dmp

          memory/4720-149-0x0000000004C04000-0x0000000004C06000-memory.dmp

          memory/4720-150-0x0000000005A10000-0x0000000005A4C000-memory.dmp

          memory/4720-151-0x0000000005F90000-0x0000000005FF6000-memory.dmp

          memory/4720-152-0x00000000064F0000-0x0000000006566000-memory.dmp

          memory/4720-153-0x00000000065B0000-0x0000000006642000-memory.dmp

          memory/4720-154-0x00000000067C0000-0x00000000067DE000-memory.dmp

          memory/4720-145-0x0000000004C10000-0x00000000051B4000-memory.dmp

          memory/4720-146-0x0000000005230000-0x0000000005848000-memory.dmp

          memory/4720-143-0x0000000004C02000-0x0000000004C03000-memory.dmp

          memory/4720-134-0x0000000000748000-0x0000000000774000-memory.dmp

          memory/4720-159-0x0000000006980000-0x00000000069D0000-memory.dmp

          memory/4720-160-0x0000000007CB0000-0x0000000007E72000-memory.dmp

          memory/4720-161-0x0000000008080000-0x00000000085AC000-memory.dmp

          memory/4720-141-0x0000000075160000-0x0000000075910000-memory.dmp

          memory/4720-137-0x0000000000400000-0x0000000000492000-memory.dmp

          memory/4720-136-0x00000000021F0000-0x000000000222A000-memory.dmp

          memory/4720-135-0x0000000000748000-0x0000000000774000-memory.dmp