Analysis

  • max time kernel
    142s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 08:03

General

  • Target

    PO_CW2809670-A & CW201.exe

  • Size

    692KB

  • MD5

    ec59f33a40cb24a54821021d67b6543c

  • SHA1

    8355050b3f94dde1146b80a74ded12ee42ce8f22

  • SHA256

    64140612ad5497b44f9ec5b6b65013f817cd4db10171ee66e88a7ce721597b30

  • SHA512

    d99e69f8d387cfdc84c4327aff3231730eecc971d82494127a253222694d777e0061f88ad23029e70d1e08ae5d890db9f6e50df4a95e113ac8c78227ecf31be5

  • SSDEEP

    12288:v3IU8S6eUdECv21YSLLx6jIVd2PkEkxkvjNm8wk6zySgd/QXGpdWsQ8JMk7r5:fItSAdECvCxLxHd2dvjAkjVQXGDtRn5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    nl10.nlkoddos.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname321@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 3 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO_CW2809670-A & CW201.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_CW2809670-A & CW201.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Users\Admin\AppData\Local\Temp\PO_CW2809670-A & CW201.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_CW2809670-A & CW201.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO_CW2809670-A & CW201.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/964-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/964-20-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/964-19-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

  • memory/964-18-0x0000000006A90000-0x0000000006AE0000-memory.dmp

    Filesize

    320KB

  • memory/964-17-0x00000000050E0000-0x0000000005146000-memory.dmp

    Filesize

    408KB

  • memory/964-15-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/964-14-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-5-0x0000000004E50000-0x0000000004E5A000-memory.dmp

    Filesize

    40KB

  • memory/3372-9-0x0000000008D60000-0x0000000008DDC000-memory.dmp

    Filesize

    496KB

  • memory/3372-10-0x0000000007A80000-0x0000000007B1C000-memory.dmp

    Filesize

    624KB

  • memory/3372-8-0x0000000006060000-0x000000000606A000-memory.dmp

    Filesize

    40KB

  • memory/3372-7-0x00000000053A0000-0x00000000053A8000-memory.dmp

    Filesize

    32KB

  • memory/3372-6-0x00000000067B0000-0x00000000067C8000-memory.dmp

    Filesize

    96KB

  • memory/3372-0-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-4-0x0000000004DE0000-0x0000000004DF0000-memory.dmp

    Filesize

    64KB

  • memory/3372-16-0x0000000075090000-0x0000000075840000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

    Filesize

    584KB

  • memory/3372-2-0x00000000053B0000-0x0000000005954000-memory.dmp

    Filesize

    5.6MB

  • memory/3372-1-0x00000000003D0000-0x0000000000482000-memory.dmp

    Filesize

    712KB