Analysis

  • max time kernel
    92s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 16:25

General

  • Target

    93caf26ccb41093ce2efaac4631c354b9a69e5da6bc71e3fa1bd84a531603b8a.exe

  • Size

    776KB

  • MD5

    5f5007d479284c637ee7af9ecf085ff9

  • SHA1

    b1d249b76d71b5486453ee088a30ab66398e1f74

  • SHA256

    93caf26ccb41093ce2efaac4631c354b9a69e5da6bc71e3fa1bd84a531603b8a

  • SHA512

    899106d3a206d55ae94b2775c38c59a29db47a55e42da1bd9eae28afe3099193812a863e62d1f2a6f3afcfef7137f4c2ca0955c95f271197aae1bd502845b051

  • SSDEEP

    6144:qD2v7gkRvi3Kg4B1Rj7XvlczaB2DH2wMZgIaBI72xxaT+DSmKaWMueU+JqV3pDT/:werNJSsZgVm2WCD1KtMuL+J8VSpto

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    box@alscotop.com
  • Password:
    godisgreat

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93caf26ccb41093ce2efaac4631c354b9a69e5da6bc71e3fa1bd84a531603b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\93caf26ccb41093ce2efaac4631c354b9a69e5da6bc71e3fa1bd84a531603b8a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1952

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

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

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe
    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/1228-54-0x0000000000C80000-0x0000000000D48000-memory.dmp
    Filesize

    800KB

  • memory/1228-55-0x0000000075091000-0x0000000075093000-memory.dmp
    Filesize

    8KB

  • memory/1228-56-0x0000000000B70000-0x0000000000B98000-memory.dmp
    Filesize

    160KB

  • memory/1228-57-0x0000000000820000-0x0000000000834000-memory.dmp
    Filesize

    80KB

  • memory/1228-58-0x0000000000940000-0x0000000000946000-memory.dmp
    Filesize

    24KB

  • memory/1952-63-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-64-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-66-0x00000000004374CE-mapping.dmp
  • memory/1952-61-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-68-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-69-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-73-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-76-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB

  • memory/1952-60-0x0000000000090000-0x00000000000CC000-memory.dmp
    Filesize

    240KB