Analysis

  • max time kernel
    154s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 06:57

General

  • Target

    Bank Report.exe

  • Size

    609KB

  • MD5

    1c56714ac0acf4ab07e27bb124c0f487

  • SHA1

    8a346e06301caacf0a86437293bbbaa48f3e238c

  • SHA256

    192c5860a708f4d8c7e8ec491d765e3ba28bb6102710083ca3fd961bdae183ce

  • SHA512

    c2cf9cd3ace575f03f684236ecf8c4c7a8e548921f28ca7666a702419d8cf9255844a05564faa5c66133ba8a20468f692363c01172aedbe155b42311940f00f3

  • SSDEEP

    12288:d725c5KQJaPpffEhZIVgrFkwBLC3KBzb8v7v4UR3q5t72OUg8ao:k6YPpshZooXVCaBzb8v8UR6F2m9

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6383484083:AAEOJzyjj7OZjWPyR6JNxXFWK63ilQslb30/

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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Report.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Report.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3612
    • 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\Bank Report.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xDKZvDKC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:456
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xDKZvDKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5000
    • C:\Users\Admin\AppData\Local\Temp\Bank Report.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Report.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbnjghfc.t5q.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp3BA.tmp

    Filesize

    1KB

    MD5

    9acbfd762d7da3ff621c035d251ff50d

    SHA1

    df655e3353b527e0ef9954c5f87372bd072b0419

    SHA256

    cd83d4b45ffa35ff536ed66b4e7d81b9757a1555f80fa4e3bd3e591a7c9a4880

    SHA512

    96b3cbad413b0ed326aff8c80c2d9b525f02e966957d3a33ecfc12ae9e5f8b4dac8c096486e87236a05a4341aff1c9c0389a2134efd26da5a41efe4bba7af615

  • C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

    Filesize

    609KB

    MD5

    1c56714ac0acf4ab07e27bb124c0f487

    SHA1

    8a346e06301caacf0a86437293bbbaa48f3e238c

    SHA256

    192c5860a708f4d8c7e8ec491d765e3ba28bb6102710083ca3fd961bdae183ce

    SHA512

    c2cf9cd3ace575f03f684236ecf8c4c7a8e548921f28ca7666a702419d8cf9255844a05564faa5c66133ba8a20468f692363c01172aedbe155b42311940f00f3

  • memory/456-58-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/456-55-0x0000000005AE0000-0x0000000005AFE000-memory.dmp

    Filesize

    120KB

  • memory/456-66-0x0000000070580000-0x00000000705CC000-memory.dmp

    Filesize

    304KB

  • memory/456-63-0x000000007F2A0000-0x000000007F2B0000-memory.dmp

    Filesize

    64KB

  • memory/456-60-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/456-59-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/456-89-0x0000000007520000-0x000000000753A000-memory.dmp

    Filesize

    104KB

  • memory/456-77-0x00000000067D0000-0x00000000067EE000-memory.dmp

    Filesize

    120KB

  • memory/456-93-0x00000000077A0000-0x0000000007836000-memory.dmp

    Filesize

    600KB

  • memory/456-33-0x0000000005A00000-0x0000000005A66000-memory.dmp

    Filesize

    408KB

  • memory/456-32-0x0000000005990000-0x00000000059F6000-memory.dmp

    Filesize

    408KB

  • memory/456-30-0x0000000005120000-0x0000000005142000-memory.dmp

    Filesize

    136KB

  • memory/456-94-0x0000000007720000-0x0000000007731000-memory.dmp

    Filesize

    68KB

  • memory/456-21-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/456-22-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/456-23-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/1012-62-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/1012-31-0x0000000005140000-0x0000000005150000-memory.dmp

    Filesize

    64KB

  • memory/1012-61-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-28-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/1012-95-0x0000000006880000-0x00000000068D0000-memory.dmp

    Filesize

    320KB

  • memory/1012-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-53-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-92-0x0000000007860000-0x000000000786A000-memory.dmp

    Filesize

    40KB

  • memory/2092-13-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2092-12-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/2092-52-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2092-64-0x000000007F640000-0x000000007F650000-memory.dmp

    Filesize

    64KB

  • memory/2092-54-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2092-14-0x0000000004EA0000-0x0000000004ED6000-memory.dmp

    Filesize

    216KB

  • memory/2092-56-0x0000000006560000-0x00000000065AC000-memory.dmp

    Filesize

    304KB

  • memory/2092-57-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2092-88-0x0000000007E40000-0x00000000084BA000-memory.dmp

    Filesize

    6.5MB

  • memory/2092-16-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/2092-87-0x00000000074D0000-0x0000000007573000-memory.dmp

    Filesize

    652KB

  • memory/2092-76-0x0000000070580000-0x00000000705CC000-memory.dmp

    Filesize

    304KB

  • memory/2092-19-0x0000000005530000-0x0000000005B58000-memory.dmp

    Filesize

    6.2MB

  • memory/2092-65-0x0000000006AC0000-0x0000000006AF2000-memory.dmp

    Filesize

    200KB

  • memory/3612-9-0x0000000000D40000-0x0000000000D4C000-memory.dmp

    Filesize

    48KB

  • memory/3612-6-0x0000000005760000-0x000000000576A000-memory.dmp

    Filesize

    40KB

  • memory/3612-7-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB

  • memory/3612-5-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB

  • memory/3612-0-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/3612-8-0x0000000005850000-0x0000000005860000-memory.dmp

    Filesize

    64KB

  • memory/3612-10-0x00000000013B0000-0x000000000142C000-memory.dmp

    Filesize

    496KB

  • memory/3612-4-0x0000000005390000-0x0000000005422000-memory.dmp

    Filesize

    584KB

  • memory/3612-3-0x00000000058A0000-0x0000000005E44000-memory.dmp

    Filesize

    5.6MB

  • memory/3612-11-0x00000000092D0000-0x000000000936C000-memory.dmp

    Filesize

    624KB

  • memory/3612-2-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB

  • memory/3612-1-0x00000000008F0000-0x000000000098C000-memory.dmp

    Filesize

    624KB

  • memory/3612-29-0x0000000074880000-0x0000000075030000-memory.dmp

    Filesize

    7.7MB