Analysis

  • max time kernel
    120s
  • max time network
    40s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-09-2021 11:19

General

  • Target

    cb129cd67225cb40c544eab07466be9305132fc9607214174b48f4167e0b6b3d.exe

  • Size

    78KB

  • MD5

    a8db62010fc3ff8a86abdf3988646a8c

  • SHA1

    247577574d8f60a064b03d9f2a627d0bdbc6d2a6

  • SHA256

    cb129cd67225cb40c544eab07466be9305132fc9607214174b48f4167e0b6b3d

  • SHA512

    8234d169c809f91658f88ccb80be1dbae587ff9e0a3e517f4b42ac0f2e4a3be73b77bba787b6ebc55422c2f081b9c07e44f1192d63c90d3837b55597f68b0e1d

Malware Config

Signatures

  • ElysiumStealer

    ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

  • 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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb129cd67225cb40c544eab07466be9305132fc9607214174b48f4167e0b6b3d.exe
    "C:\Users\Admin\AppData\Local\Temp\cb129cd67225cb40c544eab07466be9305132fc9607214174b48f4167e0b6b3d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 1856
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1052-60-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB

  • memory/1052-62-0x00000000002B0000-0x00000000002CB000-memory.dmp

    Filesize

    108KB

  • memory/1052-63-0x00000000049D0000-0x00000000049D1000-memory.dmp

    Filesize

    4KB

  • memory/1824-64-0x0000000000000000-mapping.dmp

  • memory/1824-65-0x0000000000600000-0x0000000000618000-memory.dmp

    Filesize

    96KB