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Analysis

  • max time kernel
    136s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 19:48

General

  • Target

    2024-01-28_6f474b7399d12f4b728d53fddd9c8998_backswap_icedid_xmrig.exe

  • Size

    31.1MB

  • MD5

    6f474b7399d12f4b728d53fddd9c8998

  • SHA1

    fa1b4848320652cb35bdf00e13e93ffca463821e

  • SHA256

    c44c590e1ffd7ee93d2c08c4a39981ba311a9949fb652f24d09dccc8a0d2ca16

  • SHA512

    9777a9b390131189d8e6de38a2d87f49ee98a3e70a7fbd71d92c940ba110f1458cfabd3ba6cedd184e4dd01c52f3caf44463e07f1b4bebbba2d0e5707a28235c

  • SSDEEP

    393216:dFgRavDllryzuhiQfKWiGo0PqbsBDT6t7:zvDllry2Lz56h

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 17 IoCs
  • Sets file execution options in registry 2 TTPs 12 IoCs
  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-28_6f474b7399d12f4b728d53fddd9c8998_backswap_icedid_xmrig.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-28_6f474b7399d12f4b728d53fddd9c8998_backswap_icedid_xmrig.exe"
    1⤵
    • UAC bypass
    • Sets file execution options in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2212
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\Uninstall.exe

    Filesize

    31.2MB

    MD5

    3b5d9ba9d48c9085a61e7e753b9c39f3

    SHA1

    12fd5a5cc58b87ddf21d19d0130a360f5f08a667

    SHA256

    d976984791ef2d0fc552af475528f68d63436b7eb62ed24504e56a077ef71d0e

    SHA512

    ed6098c1042e8489895435d05f6b5361acdc02368e23f56c33d0eda2befb47dab11d425e8a26f8621dd07c98e1577a68def7dac95566b26a0376bbdc9699a8a0

  • C:\Windows\config.json

    Filesize

    1KB

    MD5

    88c5c5706d2e237422eda18490dc6a59

    SHA1

    bb8d12375f6b995301e756de2ef4fa3a3f6efd39

    SHA256

    4756a234ed3d61fe187d9b6140792e54e7b757545edff82df594a507e528ed8e

    SHA512

    a417270a0d46de5bb06a621c0383c893042a506524713f89ba55567df6e5c3ac8b198bce5a0300ec6e716897bb53fd3e8289a51240157dc743004517673d4ab7

  • C:\Windows\svchost.exe

    Filesize

    833KB

    MD5

    4a87a4d6677558706db4afaeeeb58d20

    SHA1

    7738dc6a459f8415f0265d36c626b48202cd6764

    SHA256

    08b55f9b7dafc53dfc43f7f70cdd7048d231767745b76dc4474370fb323d7ae7

    SHA512

    bedd8ed4975df3fcd4a0f575d6f38e3841e7a4b771baac4f72033102a070818b8539eb101c50563d89d4f3454899a1cedb33047b02e421256dedf9aaf258b594

  • C:\vcredist2010_x86.log.html

    Filesize

    83KB

    MD5

    dbf7eeba754107a13a44298ad8ade2a0

    SHA1

    62d27ee4204b6159cc5cfb8ff9edcd72d1e9e737

    SHA256

    0576a73bac90b6ea9ac61ca585516d8d2d8c0a1367ed5ff638f2650d43f875e8

    SHA512

    75b5d38fe727c3bb9ffb16a8a23b48c59050d0b79be5fe3a50e29687716bd349bcb442efff37a8f53ca5fb44a5fe7cb0a83abb3df593b5fcb7a9008b03888fce

  • memory/2212-0-0x0000000000400000-0x0000000000613000-memory.dmp

    Filesize

    2.1MB

  • memory/4928-398-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-405-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-396-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-335-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-400-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-402-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-403-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-395-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-406-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-424-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-425-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-430-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-435-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB

  • memory/4928-226-0x0000000000400000-0x00000000004DA000-memory.dmp

    Filesize

    872KB