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Analysis

  • max time kernel
    130s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 14:39

General

  • Target

    d49652f293d246529d2102c8e962d85e_JaffaCakes118.exe

  • Size

    410KB

  • MD5

    d49652f293d246529d2102c8e962d85e

  • SHA1

    04e31d28408be9d2963d402f368a880987b3851c

  • SHA256

    5d29602ace80728915a5dcbcf3fdb46bc8a82bc5dacbe0c339cd9b544fbc17fc

  • SHA512

    1e1c43fc685549bafc8be9d29f7f97935874b215e7b435d652eedce9c9946bb4370f2e41e3e6476ed0fabd3deaceab02f4f715e5d3475285802b170afee003af

  • SSDEEP

    6144:QsVn8Y/2+3x5spUN1yY0zyZcVFVmPE45Ono0n4ed9PcTJpCvQLF:t58WhWmNEYOypPE450n4ewTJk

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.petrotos.gr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Tiger@456

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d49652f293d246529d2102c8e962d85e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d49652f293d246529d2102c8e962d85e_JaffaCakes118.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Checks computer location settings
    • Drops startup file
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4324
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
      2⤵
      • System Binary Proxy Execution: InstallUtil
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4acacee3-cefe-4dab-b6f1-01f9a63ec79a\e.dll

    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

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

    Filesize

    41KB

    MD5

    5d4073b2eb6d217c19f2b22f21bf8d57

    SHA1

    f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

    SHA256

    ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

    SHA512

    9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe

    Filesize

    410KB

    MD5

    d49652f293d246529d2102c8e962d85e

    SHA1

    04e31d28408be9d2963d402f368a880987b3851c

    SHA256

    5d29602ace80728915a5dcbcf3fdb46bc8a82bc5dacbe0c339cd9b544fbc17fc

    SHA512

    1e1c43fc685549bafc8be9d29f7f97935874b215e7b435d652eedce9c9946bb4370f2e41e3e6476ed0fabd3deaceab02f4f715e5d3475285802b170afee003af

  • memory/3040-212-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-214-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-398-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-399-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-400-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-408-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-401-0x0000000006E50000-0x0000000006E5C000-memory.dmp

    Filesize

    48KB

  • memory/3980-410-0x0000000006390000-0x00000000063A8000-memory.dmp

    Filesize

    96KB

  • memory/3980-407-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3980-409-0x00000000057C0000-0x000000000585C000-memory.dmp

    Filesize

    624KB

  • memory/3980-411-0x0000000006440000-0x00000000064A6000-memory.dmp

    Filesize

    408KB

  • memory/4620-44-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-20-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-70-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-68-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-66-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-64-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-62-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-60-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-58-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-56-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-54-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-52-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-48-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-46-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-74-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-42-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-41-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-38-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-36-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-34-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-32-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-30-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-22-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-72-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-18-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-16-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-15-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-14-0x0000000073B60000-0x0000000073BE9000-memory.dmp

    Filesize

    548KB

  • memory/4620-28-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-26-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-24-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-195-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/4620-196-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-197-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-76-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-50-0x0000000002FF0000-0x0000000003015000-memory.dmp

    Filesize

    148KB

  • memory/4620-6-0x0000000005780000-0x0000000005812000-memory.dmp

    Filesize

    584KB

  • memory/4620-5-0x0000000005620000-0x0000000005664000-memory.dmp

    Filesize

    272KB

  • memory/4620-4-0x0000000005E50000-0x00000000063F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4620-3-0x0000000002FF0000-0x000000000301C000-memory.dmp

    Filesize

    176KB

  • memory/4620-2-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-1-0x0000000000BF0000-0x0000000000C5C000-memory.dmp

    Filesize

    432KB

  • memory/4620-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB

  • memory/4620-199-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-213-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB