Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 02:28

General

  • Target

    ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe

  • Size

    430KB

  • MD5

    ce4d9bc9c425d82622bb341ca1cdf172

  • SHA1

    f4f0be627f02567e8724763ae4288875a6716887

  • SHA256

    ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce

  • SHA512

    c65ae729167902aad9b6e069ddb79cd265e71cd3a7dd7c3e7a281bdd0647855f84a25e823202d5c9ccab47f17a6c286d1fbfdcca9aa069e83c81348f45fc6ba2

  • SSDEEP

    6144:16jvs0FpwPBetM3JUlG0vK7Ihj/Tn5aC259Y83wgDeEZ/LnZsKD2FoW3ZpicfaII:16jvs07CeCJ6xCKjjIT/YuwiADZp/t1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server1.sqsendy.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    O4{S#5MLFM!Z

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
    "C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
      C:\Users\Admin\AppData\Local\Temp\ddf715cc498c5415d1537e29b5f9ce5675d23ecda1107fb25d70d517e1385cce.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar2689.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1976-17-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-2-0x0000000004AE0000-0x0000000004B20000-memory.dmp

    Filesize

    256KB

  • memory/1976-3-0x0000000000CA0000-0x0000000000CF8000-memory.dmp

    Filesize

    352KB

  • memory/1976-4-0x00000000011D0000-0x000000000122A000-memory.dmp

    Filesize

    360KB

  • memory/1976-5-0x0000000001230000-0x0000000001272000-memory.dmp

    Filesize

    264KB

  • memory/1976-6-0x0000000001270000-0x00000000012B0000-memory.dmp

    Filesize

    256KB

  • memory/1976-7-0x00000000012B0000-0x00000000012FC000-memory.dmp

    Filesize

    304KB

  • memory/1976-0-0x0000000001300000-0x000000000136E000-memory.dmp

    Filesize

    440KB

  • memory/2880-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-22-0x0000000004A40000-0x0000000004A80000-memory.dmp

    Filesize

    256KB

  • memory/2880-21-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-59-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-60-0x0000000004A40000-0x0000000004A80000-memory.dmp

    Filesize

    256KB