Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:13

General

  • Target

    272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe

  • Size

    669KB

  • MD5

    5cdb05635a430afa156e2ec8b9cb3ddb

  • SHA1

    12b13506016a8102bd8db0e9b8735775526de0fe

  • SHA256

    272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29

  • SHA512

    8d2b8d15a09ff5dd3f88509bb31043998896f5cce6231ecaf15d195dc6b2f27e6d3ed532249795983f76d6bd48e294b2ed6de0d2bb75d1baeb01e91cf2489b06

  • SSDEEP

    12288:JhkZ5qIq5AXGKTCjJkmEOkZ9E8VZHvbvei65gMUYwZDKli:JK/qhAXpTCdkTOEPLHDveiH9DKli

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lldikti6.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pawiyatan2023!

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.

  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe
    "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe
      "C:\Users\Admin\AppData\Local\Temp\272cb49163e3d17971531124c4ba0a4bbb839c51efec036d8f139a2ea928bb29.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2756

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab603B.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar604E.tmp
    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2148-23-0x0000000074110000-0x00000000747FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2148-1-0x0000000074110000-0x00000000747FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2148-2-0x0000000004B90000-0x0000000004BD0000-memory.dmp
    Filesize

    256KB

  • memory/2148-3-0x0000000000350000-0x000000000036A000-memory.dmp
    Filesize

    104KB

  • memory/2148-4-0x0000000000590000-0x0000000000598000-memory.dmp
    Filesize

    32KB

  • memory/2148-5-0x00000000005B0000-0x00000000005BA000-memory.dmp
    Filesize

    40KB

  • memory/2148-6-0x0000000005510000-0x0000000005590000-memory.dmp
    Filesize

    512KB

  • memory/2148-0-0x0000000000AD0000-0x0000000000B7E000-memory.dmp
    Filesize

    696KB

  • memory/2724-27-0x000000006E3F0000-0x000000006E99B000-memory.dmp
    Filesize

    5.7MB

  • memory/2724-28-0x000000006E3F0000-0x000000006E99B000-memory.dmp
    Filesize

    5.7MB

  • memory/2724-31-0x000000006E3F0000-0x000000006E99B000-memory.dmp
    Filesize

    5.7MB

  • memory/2724-30-0x00000000028D0000-0x0000000002910000-memory.dmp
    Filesize

    256KB

  • memory/2724-29-0x00000000028D0000-0x0000000002910000-memory.dmp
    Filesize

    256KB

  • memory/2756-21-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-22-0x0000000074110000-0x00000000747FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2756-24-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2756-11-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-13-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2756-19-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-17-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-9-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-7-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2756-66-0x0000000074110000-0x00000000747FE000-memory.dmp
    Filesize

    6.9MB