Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 01:58

General

  • Target

    f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe

  • Size

    562KB

  • MD5

    72e1c3e1d0779615f0bbe0ed4f5f3447

  • SHA1

    02a6a22f928364d7b05a602bd8c0a2bb0ad4adfd

  • SHA256

    f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082

  • SHA512

    84d4ebda69f6224742ae23371f416a3e35f98b6c34572ce721e354d8f8054e9ac71a4825b6d4977eb864cd3d04aa477c22283a17b56b9fa8ba0def8545305d9c

  • SSDEEP

    12288:bv4gzd7BR6wTsrOxZ5rucs9VXwsCdsBYUAfOYv3uKg2ks2VvEjCmqa8:bv4gzpBArCZhu/9VqdsfpYvNg29EvEjM

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe
    "C:\Users\Admin\AppData\Local\Temp\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3120
    • 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\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4952
    • C:\Users\Admin\AppData\Local\Temp\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe
      "C:\Users\Admin\AppData\Local\Temp\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f147bdd295ad67a64714ef11453f85886f1860ec523096a182366cf68b32f082.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aabfzp4u.bws.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3120-10-0x0000000010320000-0x00000000103BC000-memory.dmp

    Filesize

    624KB

  • memory/3120-1-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-4-0x0000000005800000-0x0000000005810000-memory.dmp

    Filesize

    64KB

  • memory/3120-5-0x0000000005640000-0x000000000564A000-memory.dmp

    Filesize

    40KB

  • memory/3120-6-0x00000000059E0000-0x00000000059FA000-memory.dmp

    Filesize

    104KB

  • memory/3120-7-0x0000000005A00000-0x0000000005A08000-memory.dmp

    Filesize

    32KB

  • memory/3120-8-0x0000000005A10000-0x0000000005A1A000-memory.dmp

    Filesize

    40KB

  • memory/3120-9-0x0000000004F80000-0x0000000004FEA000-memory.dmp

    Filesize

    424KB

  • memory/3120-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

    Filesize

    5.6MB

  • memory/3120-3-0x0000000005580000-0x0000000005612000-memory.dmp

    Filesize

    584KB

  • memory/3120-0-0x0000000000B10000-0x0000000000BA2000-memory.dmp

    Filesize

    584KB

  • memory/3120-14-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/4360-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4360-67-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/4360-17-0x0000000005130000-0x0000000005196000-memory.dmp

    Filesize

    408KB

  • memory/4360-66-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/4360-20-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/4360-62-0x0000000006D90000-0x0000000006DE0000-memory.dmp

    Filesize

    320KB

  • memory/4360-15-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-33-0x0000000005D60000-0x0000000005DC6000-memory.dmp

    Filesize

    408KB

  • memory/4952-50-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4952-23-0x0000000005BC0000-0x0000000005BE2000-memory.dmp

    Filesize

    136KB

  • memory/4952-21-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4952-34-0x0000000005E40000-0x0000000006194000-memory.dmp

    Filesize

    3.3MB

  • memory/4952-35-0x00000000062F0000-0x000000000630E000-memory.dmp

    Filesize

    120KB

  • memory/4952-36-0x0000000006860000-0x00000000068AC000-memory.dmp

    Filesize

    304KB

  • memory/4952-37-0x000000007F320000-0x000000007F330000-memory.dmp

    Filesize

    64KB

  • memory/4952-38-0x00000000072B0000-0x00000000072E2000-memory.dmp

    Filesize

    200KB

  • memory/4952-39-0x0000000070E00000-0x0000000070E4C000-memory.dmp

    Filesize

    304KB

  • memory/4952-49-0x00000000072F0000-0x000000000730E000-memory.dmp

    Filesize

    120KB

  • memory/4952-51-0x0000000007310000-0x00000000073B3000-memory.dmp

    Filesize

    652KB

  • memory/4952-52-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4952-22-0x0000000004F20000-0x0000000004F30000-memory.dmp

    Filesize

    64KB

  • memory/4952-53-0x0000000007C80000-0x00000000082FA000-memory.dmp

    Filesize

    6.5MB

  • memory/4952-54-0x0000000007640000-0x000000000765A000-memory.dmp

    Filesize

    104KB

  • memory/4952-55-0x00000000076B0000-0x00000000076BA000-memory.dmp

    Filesize

    40KB

  • memory/4952-56-0x00000000078C0000-0x0000000007956000-memory.dmp

    Filesize

    600KB

  • memory/4952-57-0x0000000007840000-0x0000000007851000-memory.dmp

    Filesize

    68KB

  • memory/4952-58-0x0000000007870000-0x000000000787E000-memory.dmp

    Filesize

    56KB

  • memory/4952-59-0x0000000007880000-0x0000000007894000-memory.dmp

    Filesize

    80KB

  • memory/4952-60-0x0000000007980000-0x000000000799A000-memory.dmp

    Filesize

    104KB

  • memory/4952-61-0x0000000007960000-0x0000000007968000-memory.dmp

    Filesize

    32KB

  • memory/4952-18-0x0000000005560000-0x0000000005B88000-memory.dmp

    Filesize

    6.2MB

  • memory/4952-65-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-19-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-16-0x00000000029E0000-0x0000000002A16000-memory.dmp

    Filesize

    216KB