Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 17:18

General

  • Target

    Doc0781123608.exe

  • Size

    94KB

  • MD5

    9f170077dff189a195a49d2e2904b1d6

  • SHA1

    9467dbf8dd36ebb899eed2200ab0eb5fcabc5604

  • SHA256

    4deb0f08ddd189fab483b1efcabcaf507e43a68d255ca87e1ffa32f248f1f8ac

  • SHA512

    a061207c5f11025de58d9bd143f2dc80612e8599b921b9e6d398e2394239cab702b0a9d6020eb899899df3b0a29976bf8c5043f8f2220d6a7a10d48aef7dc415

  • SSDEEP

    1536:4glqLIQqCxlxFCxMk/joIAy/vezSTXU/JyLN0wKEsvp3hGH:VqLdPxlxFhTvAd22N5psv2H

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

xworm

Version

5.0

C2

178.215.236.251:717

Mutex

0AVeWj1eTvHM3Un2

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Signatures

  • AgentTesla

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

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc0781123608.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc0781123608.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\winnoclip.exe
      "C:\Users\Admin\AppData\Local\Temp\winnoclip.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Users\Admin\AppData\Local\Temp\winnoclip.exe
        "C:\Users\Admin\AppData\Local\Temp\winnoclip.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2724
    • C:\Users\Admin\AppData\Local\Temp\Doc0781123608.exe
      "C:\Users\Admin\AppData\Local\Temp\Doc0781123608.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2140

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \??\c:\users\admin\documents\tespad.exe
    Filesize

    2.2MB

    MD5

    c3d1aa4b1662bb622b845aba66532b0b

    SHA1

    ecf0966a7b3236712bd6003ed260064444b8f364

    SHA256

    bf52b716b2443a7374592390a9776d0060bc5e7530d7661bd26c29b1fa0d12d6

    SHA512

    e0dbf73c6b4b752a20c3275a3387194e073aa082b5f1cbe3877bc3c9dd666168b0b6961bacac198b633aa2a78b84391c9cc5c490b71a859e60c46c7fc72ae662

  • \Users\Admin\AppData\Local\Temp\winnoclip.exe
    Filesize

    2.2MB

    MD5

    0d6c8496befd1990a5cbb5c9abb0dbf2

    SHA1

    c0cf9305415e132832a9675f21ce16b4b1470216

    SHA256

    53cbe0b200fc9234981c83d941e0b8857e6a988fce84aed8ad780a7d3348e1c9

    SHA512

    80f330976d1456a29ee4478a23e97f346344dbc99a7af98273512b20715462c5413ee35d437efd54c3ce3a57a25103e5d2c6cae6607c4753431e8de412e8f74a

  • memory/752-4904-0x00000000011D0000-0x000000000140A000-memory.dmp
    Filesize

    2.2MB

  • memory/752-4905-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/752-4908-0x0000000004F20000-0x0000000005140000-memory.dmp
    Filesize

    2.1MB

  • memory/752-4906-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/752-9835-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/752-9812-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/752-9811-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/752-9810-0x0000000000D30000-0x0000000000D8C000-memory.dmp
    Filesize

    368KB

  • memory/2140-4954-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2248-40-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-60-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-38-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-8-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-12-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-16-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-10-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-20-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-22-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-26-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-30-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-32-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-36-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-34-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-28-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-24-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-18-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-14-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-68-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-66-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-64-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-62-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-4891-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-6-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-58-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-56-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-54-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-52-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-50-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-4893-0x0000000000D40000-0x0000000000D8C000-memory.dmp
    Filesize

    304KB

  • memory/2248-4892-0x0000000009C00000-0x0000000009E92000-memory.dmp
    Filesize

    2.6MB

  • memory/2248-48-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-46-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-44-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-42-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-4894-0x000000007414E000-0x000000007414F000-memory.dmp
    Filesize

    4KB

  • memory/2248-4895-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-5-0x00000000086A0000-0x0000000008AF2000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-4-0x00000000086A0000-0x0000000008AF8000-memory.dmp
    Filesize

    4.3MB

  • memory/2248-4896-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-4907-0x0000000001060000-0x00000000010B4000-memory.dmp
    Filesize

    336KB

  • memory/2248-5113-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-3-0x0000000074140000-0x000000007482E000-memory.dmp
    Filesize

    6.9MB

  • memory/2248-2-0x0000000000200000-0x0000000000206000-memory.dmp
    Filesize

    24KB

  • memory/2248-1-0x00000000010D0000-0x00000000010EA000-memory.dmp
    Filesize

    104KB

  • memory/2248-0-0x000000007414E000-0x000000007414F000-memory.dmp
    Filesize

    4KB

  • memory/2724-9836-0x0000000000080000-0x0000000000092000-memory.dmp
    Filesize

    72KB