Analysis

  • max time kernel
    128s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 01:24

General

  • Target

    5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe

  • Size

    2.7MB

  • MD5

    6a55c29223b6f2b06d9c29251cc70aff

  • SHA1

    fedd969735d4d3c11eeea602b19e720f409061db

  • SHA256

    5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1

  • SHA512

    faf9f94df2d30f38ac1554e11bec7267d929f4a9667108a67fd780ff29dad4e701ac9711dbc224e6b9aef2b3c2bf631ff7817c619ea128e90cdddf78450ba924

  • SSDEEP

    49152:N/euYuN+NJ0Up/8uKGwAd15rjeKVQCtaBJ+ITLBke+2eU38J9w6ch2aVm/6RFh:le4kLHgGwM9jNQ8AUDEeUuya/

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gencoldfire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mh7B/7[hSO#bYHw1

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe
    "C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe
      "C:\Users\Admin\AppData\Local\Temp\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1164
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3596,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8
    1⤵
      PID:4588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5ac895bf45fe96e3f5dd02766c8fac66452ed7fd66921093ae8a9bd79ba2f2a1.exe.log

      Filesize

      805B

      MD5

      4b74e933d78bd5e8fb1cc4653fb2133c

      SHA1

      f6e931eec700fa325bd40c3adc6f1c0eba806066

      SHA256

      fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3

      SHA512

      b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec

    • memory/1164-4894-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-4895-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1164-4897-0x0000000005300000-0x0000000005366000-memory.dmp

      Filesize

      408KB

    • memory/1164-4898-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-4902-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1164-4901-0x0000000006B40000-0x0000000006B4A000-memory.dmp

      Filesize

      40KB

    • memory/1164-4900-0x0000000006940000-0x00000000069DC000-memory.dmp

      Filesize

      624KB

    • memory/1164-4899-0x0000000006850000-0x00000000068A0000-memory.dmp

      Filesize

      320KB

    • memory/2848-54-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-50-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-6-0x0000000007C20000-0x0000000007CB2000-memory.dmp

      Filesize

      584KB

    • memory/2848-16-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-18-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-14-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-12-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-42-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-48-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-70-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-68-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-66-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-64-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-62-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-60-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-58-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-56-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-4-0x0000000007950000-0x0000000007B82000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-46-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-44-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-40-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-38-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-52-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-5-0x0000000008130000-0x00000000086D4000-memory.dmp

      Filesize

      5.6MB

    • memory/2848-36-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-34-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-32-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-30-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-28-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-26-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-24-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-22-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-20-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-10-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-8-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-7-0x0000000007950000-0x0000000007B7B000-memory.dmp

      Filesize

      2.2MB

    • memory/2848-4887-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2848-4889-0x00000000061F0000-0x000000000623C000-memory.dmp

      Filesize

      304KB

    • memory/2848-3-0x00000000062C0000-0x000000000671C000-memory.dmp

      Filesize

      4.4MB

    • memory/2848-2-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2848-1-0x0000000000F20000-0x00000000011D4000-memory.dmp

      Filesize

      2.7MB

    • memory/2848-0-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/2848-4888-0x0000000006180000-0x00000000061EC000-memory.dmp

      Filesize

      432KB

    • memory/2848-4890-0x0000000006240000-0x0000000006294000-memory.dmp

      Filesize

      336KB

    • memory/2848-4896-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB