Analysis

  • max time kernel
    67s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 01:48

General

  • Target

    897d8cdd092ed26be93e6cd9b384da90128f98d5b80e21ee95ca95ba5ce40f17.exe

  • Size

    819KB

  • MD5

    b3357f4dfe7dbe081d64e8a95bcac220

  • SHA1

    581795553739ed6c2bfa8f73c1c361c75f163dd6

  • SHA256

    897d8cdd092ed26be93e6cd9b384da90128f98d5b80e21ee95ca95ba5ce40f17

  • SHA512

    f3e2eb82e0b5586d1d112ca0f632b33562411cc2804c9e1ffb153cf6c51fc0556d34184a99cd8ffd640bf65bc4c723e148878d5aea1f090a15860848410f6b33

  • SSDEEP

    12288:1lqnHvjNIrpf9rN/mc/Ckm85fy1kOPJ1/Sp2oW0xj/R8+AU0YMa13nlZv:1wPjKr5BNDhm8561Op1W0t/RxAUlMGZ

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6966006943:AAFt2O0O-c3D4lGLDjurHIrImKjoPwoQE2c/

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 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\897d8cdd092ed26be93e6cd9b384da90128f98d5b80e21ee95ca95ba5ce40f17.exe
    "C:\Users\Admin\AppData\Local\Temp\897d8cdd092ed26be93e6cd9b384da90128f98d5b80e21ee95ca95ba5ce40f17.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4832
    • 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\897d8cdd092ed26be93e6cd9b384da90128f98d5b80e21ee95ca95ba5ce40f17.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oybDlVUdcwt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oybDlVUdcwt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D14.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3268
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:624

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    18KB

    MD5

    3b7a11574a66d056f49e1e362890c9ba

    SHA1

    bf469ce2a550962437a0e8ccb66871381960f5ba

    SHA256

    7191cd1ef4e9d88de52a46ae0d4b307b781c194b762ca19f753cc7244b9bfb96

    SHA512

    f8f08974ce26f117dd578f4eca40b19e7763851df5cb9b6b04283a8fb6560040ce740f32e48bacfc2f007d8d6cf64f2275f3f4bc514c4c47e759c283c5df9fe7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b000k5rx.w0c.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5D14.tmp
    Filesize

    1KB

    MD5

    284efa0cd0e9e2b9013e78f05780032c

    SHA1

    86dab8b333e402df81204bf7e038a0a4b6d25569

    SHA256

    dfcb3207aa205eda32f4ad823de2b3add59b02f9db740fe644017cc3c3668511

    SHA512

    ca4f5c46d468cc32757e3b00d45cb8a1d99021c935fced7e161126e446d5404115adc9149359356677e77b6940850a79dbf9dd8c531e5a3411c2a634e788c5cf

  • memory/624-89-0x0000000006560000-0x00000000065B0000-memory.dmp
    Filesize

    320KB

  • memory/624-45-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3088-73-0x0000000007E20000-0x000000000849A000-memory.dmp
    Filesize

    6.5MB

  • memory/3088-20-0x0000000005060000-0x0000000005070000-memory.dmp
    Filesize

    64KB

  • memory/3088-84-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB

  • memory/3088-80-0x0000000007B20000-0x0000000007B3A000-memory.dmp
    Filesize

    104KB

  • memory/3088-79-0x0000000007A20000-0x0000000007A34000-memory.dmp
    Filesize

    80KB

  • memory/3088-74-0x00000000077E0000-0x00000000077FA000-memory.dmp
    Filesize

    104KB

  • memory/3088-62-0x0000000070C00000-0x0000000070C4C000-memory.dmp
    Filesize

    304KB

  • memory/3088-44-0x0000000005FC0000-0x0000000006314000-memory.dmp
    Filesize

    3.3MB

  • memory/3088-19-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB

  • memory/3088-21-0x0000000005060000-0x0000000005070000-memory.dmp
    Filesize

    64KB

  • memory/4084-49-0x0000000006860000-0x00000000068AC000-memory.dmp
    Filesize

    304KB

  • memory/4084-78-0x0000000007DA0000-0x0000000007DAE000-memory.dmp
    Filesize

    56KB

  • memory/4084-88-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB

  • memory/4084-23-0x0000000006080000-0x00000000060E6000-memory.dmp
    Filesize

    408KB

  • memory/4084-22-0x0000000005980000-0x00000000059A2000-memory.dmp
    Filesize

    136KB

  • memory/4084-24-0x00000000061F0000-0x0000000006256000-memory.dmp
    Filesize

    408KB

  • memory/4084-81-0x0000000007E90000-0x0000000007E98000-memory.dmp
    Filesize

    32KB

  • memory/4084-17-0x0000000003050000-0x0000000003060000-memory.dmp
    Filesize

    64KB

  • memory/4084-14-0x0000000002F20000-0x0000000002F56000-memory.dmp
    Filesize

    216KB

  • memory/4084-16-0x00000000059E0000-0x0000000006008000-memory.dmp
    Filesize

    6.2MB

  • memory/4084-48-0x0000000006720000-0x000000000673E000-memory.dmp
    Filesize

    120KB

  • memory/4084-77-0x0000000007D70000-0x0000000007D81000-memory.dmp
    Filesize

    68KB

  • memory/4084-50-0x00000000077C0000-0x00000000077F2000-memory.dmp
    Filesize

    200KB

  • memory/4084-51-0x0000000070C00000-0x0000000070C4C000-memory.dmp
    Filesize

    304KB

  • memory/4084-18-0x0000000003050000-0x0000000003060000-memory.dmp
    Filesize

    64KB

  • memory/4084-70-0x0000000007A30000-0x0000000007AD3000-memory.dmp
    Filesize

    652KB

  • memory/4084-61-0x0000000007A00000-0x0000000007A1E000-memory.dmp
    Filesize

    120KB

  • memory/4084-76-0x0000000007DF0000-0x0000000007E86000-memory.dmp
    Filesize

    600KB

  • memory/4084-15-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB

  • memory/4084-75-0x0000000007BE0000-0x0000000007BEA000-memory.dmp
    Filesize

    40KB

  • memory/4832-0-0x0000000000C40000-0x0000000000D12000-memory.dmp
    Filesize

    840KB

  • memory/4832-7-0x0000000005BD0000-0x0000000005BE4000-memory.dmp
    Filesize

    80KB

  • memory/4832-47-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB

  • memory/4832-4-0x0000000005560000-0x0000000005570000-memory.dmp
    Filesize

    64KB

  • memory/4832-9-0x000000000C590000-0x000000000C62C000-memory.dmp
    Filesize

    624KB

  • memory/4832-5-0x00000000055D0000-0x00000000055DA000-memory.dmp
    Filesize

    40KB

  • memory/4832-8-0x0000000009470000-0x00000000094F2000-memory.dmp
    Filesize

    520KB

  • memory/4832-3-0x0000000005640000-0x00000000056D2000-memory.dmp
    Filesize

    584KB

  • memory/4832-6-0x0000000005B80000-0x0000000005BA0000-memory.dmp
    Filesize

    128KB

  • memory/4832-2-0x0000000005BF0000-0x0000000006194000-memory.dmp
    Filesize

    5.6MB

  • memory/4832-1-0x0000000074560000-0x0000000074D10000-memory.dmp
    Filesize

    7.7MB