Analysis

  • max time kernel
    126s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 01:11

General

  • Target

    c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe

  • Size

    205KB

  • MD5

    010dbf456935b406fdc12b61bfe4960c

  • SHA1

    792ab3f9831abb58ac79a2f6a7801226f5460be2

  • SHA256

    c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a

  • SHA512

    86c691a22bf467985dbf1dacc9ace17fd30b6cd2b8b26220df0f5b9fe4e016624c8061c6cbd78d5223709a065fe2ff6c26ce5e7ee087a5e00f298b3d9384bdfd

  • SSDEEP

    3072:3qNnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXNG:GstvLGcxLbMUMK2FH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fn26k5c7Q846

Extracted

Family

agenttesla

Credentials

Extracted

Family

xworm

Version

5.0

C2

94.156.65.181:5353

Mutex

4EV9DEZhSiEuj72Q

Attributes
  • install_file

    USB.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
  • Detect ZGRat V1 35 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe
    "C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe
      "C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe
        "C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:448
    • C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe
      "C:\Users\Admin\AppData\Local\Temp\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c53503eba1b0a2cbeb5256d0bd97e9391ad29ffa1a60ac0a649bd6c200e8685a.exe.log

    Filesize

    1KB

    MD5

    f3eb81974dc5933681e933f07209ff5f

    SHA1

    7af8cae0f1d03e82daaf784df9886705685baac7

    SHA256

    e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

    SHA512

    d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

  • C:\Users\Admin\AppData\Local\Temp\Udzlkct.exe

    Filesize

    205KB

    MD5

    db5f32c4b447b0043c973905856e035c

    SHA1

    290ce53a1ec22698b401f303b7bd57e469f5c0b4

    SHA256

    f3c0c576ef9fe96da5c7bdbb72384ac195383058f1cf999dd435f0f94779d35e

    SHA512

    a6119d265878a77c6f50ce5b8298638f01ef54f9fa47dfdbabdb66805d87bb8d42df9ba0f45120ffe3f0a479496a8331e31a9ae5cc4bdebf216483288ec1f837

  • \??\c:\users\admin\appdata\roaming\savef.exe

    Filesize

    64KB

    MD5

    f8d86e088aadd2e768d188befe12eeb5

    SHA1

    e647e3645924c30ac438ddd525583083b6bf1984

    SHA256

    3b79db81a34cc2b16417a37a669e298b2718ab592539e7aa46770611791e6c60

    SHA512

    953c873276a0dc82fccafa4e825a31798f3836f9c6dac4bd8a5579f95e01a81f630c5e1b83cac728d6c20db0d2b45e1ad4695c6c9d8d64aca7864d9d8bbef918

  • memory/448-9809-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3180-5155-0x0000000006F80000-0x000000000701C000-memory.dmp

    Filesize

    624KB

  • memory/3180-4914-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-4911-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-7447-0x0000000007050000-0x000000000705A000-memory.dmp

    Filesize

    40KB

  • memory/3180-9801-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3180-5123-0x0000000006E90000-0x0000000006EE0000-memory.dmp

    Filesize

    320KB

  • memory/3180-4912-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3180-4913-0x0000000005930000-0x0000000005996000-memory.dmp

    Filesize

    408KB

  • memory/3876-9800-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-4915-0x0000000008790000-0x00000000089B0000-memory.dmp

    Filesize

    2.1MB

  • memory/3876-9808-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-9799-0x0000000006050000-0x00000000060AC000-memory.dmp

    Filesize

    368KB

  • memory/3876-4906-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3876-4903-0x0000000000A10000-0x0000000000A46000-memory.dmp

    Filesize

    216KB

  • memory/3876-4905-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3884-31-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-4889-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

    Filesize

    4KB

  • memory/3884-19-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-17-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-13-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-11-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-10-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-7-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-47-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-51-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-69-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-65-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-63-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-61-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-59-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-57-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-55-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-53-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-49-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-67-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-4886-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3884-4888-0x0000000005410000-0x000000000545C000-memory.dmp

    Filesize

    304KB

  • memory/3884-4887-0x0000000005940000-0x00000000059C0000-memory.dmp

    Filesize

    512KB

  • memory/3884-21-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-4890-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3884-23-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-4901-0x0000000005B30000-0x0000000005B84000-memory.dmp

    Filesize

    336KB

  • memory/3884-25-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-27-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

    Filesize

    4KB

  • memory/3884-33-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-4910-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3884-35-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-37-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-39-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-41-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-45-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-43-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-29-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-15-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-6-0x0000000008030000-0x000000000826E000-memory.dmp

    Filesize

    2.2MB

  • memory/3884-5-0x0000000006D10000-0x0000000006DA2000-memory.dmp

    Filesize

    584KB

  • memory/3884-4-0x0000000008820000-0x0000000008DC4000-memory.dmp

    Filesize

    5.6MB

  • memory/3884-3-0x0000000008030000-0x0000000008274000-memory.dmp

    Filesize

    2.3MB

  • memory/3884-2-0x0000000074E70000-0x0000000075620000-memory.dmp

    Filesize

    7.7MB

  • memory/3884-1-0x0000000000140000-0x0000000000176000-memory.dmp

    Filesize

    216KB