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Analysis

  • max time kernel
    107s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 11:58

General

  • Target

    Order MJIMP 008.exe

  • Size

    702KB

  • MD5

    85614b7101c98396ed9fdc14222e563b

  • SHA1

    cbc9f72d36818e6c1918c86bc56178f92802d7b1

  • SHA256

    98206390a847ef2600f916f0076f687d5261ff98ca02b5292fdf44017ca0e006

  • SHA512

    c123cc701be5ac9a667f3b2617fdb25996f6b46b3aca1cac027d14e76fda4d9a71b17031bcc6dbaf2bc5455184e59377fa39d72cccf133d384523419cbd47fa0

  • SSDEEP

    12288:Wb/1eJ5e7nzXD1uARs1XbQfzQfDKDFHtX9dW323tfZXOdaG9uq3kR:Wb/gJgDsR1r4zVXHtBXOf9uqi

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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Adds Run key to start application 2 TTPs 1 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe
    "C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4116
    • 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\Order MJIMP 008.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NrbWmxiTaucKrw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NrbWmxiTaucKrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A07.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1080
    • C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe
      "C:\Users\Admin\AppData\Local\Temp\Order MJIMP 008.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    c71ebeeb7df2cad793b8237bf95e6c7b

    SHA1

    672de2bea49e3e5c97f7e4abe0ff87530b61ce34

    SHA256

    1f23093d411c9a5edda88b7ae7692e99613c55749c2e7d7956c2f4338e5b7c3d

    SHA512

    09ea183b9af1a0b625bc8f3efec43a3b5248dc6f629ec7a90655e5becb468fcb3dc05b23dd97fa7a44d894602069512939e8418229346a05278e458bf180e9b0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cn1xqbeh.jnf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5A07.tmp

    Filesize

    1KB

    MD5

    e1b6129bbf65cf94cae8b57f1f20ea56

    SHA1

    28d80bbf2aba14dec9778bee3c43fe6e71f90996

    SHA256

    57884f3a787903fa74b38a143efd1d4c4435f3c94adc6d0a3dd4e046fefe5f80

    SHA512

    b5c232d3f989a0910ff156ab6732a5485eac203cbc7faa107b265a9ccb15d523bfc3c4cae001a41c9959a552f278190c73e6bcb406f7ce5ccc58abcc735c3b64

  • memory/876-99-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/876-98-0x0000000006AE0000-0x0000000006B30000-memory.dmp

    Filesize

    320KB

  • memory/876-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/876-29-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/876-31-0x0000000005610000-0x0000000005676000-memory.dmp

    Filesize

    408KB

  • memory/2440-83-0x0000000006F90000-0x0000000006F9A000-memory.dmp

    Filesize

    40KB

  • memory/2440-53-0x0000000005C80000-0x0000000005CCC000-memory.dmp

    Filesize

    304KB

  • memory/2440-79-0x0000000004780000-0x0000000004790000-memory.dmp

    Filesize

    64KB

  • memory/2440-67-0x0000000006D50000-0x0000000006D6E000-memory.dmp

    Filesize

    120KB

  • memory/2440-85-0x0000000007110000-0x0000000007121000-memory.dmp

    Filesize

    68KB

  • memory/2440-68-0x000000007F9E0000-0x000000007F9F0000-memory.dmp

    Filesize

    64KB

  • memory/2440-97-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-55-0x0000000071BC0000-0x0000000071C0C000-memory.dmp

    Filesize

    304KB

  • memory/2440-21-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/2440-22-0x0000000004780000-0x0000000004790000-memory.dmp

    Filesize

    64KB

  • memory/2440-24-0x0000000004780000-0x0000000004790000-memory.dmp

    Filesize

    64KB

  • memory/2440-87-0x0000000007140000-0x000000000714E000-memory.dmp

    Filesize

    56KB

  • memory/2440-82-0x0000000006F10000-0x0000000006F2A000-memory.dmp

    Filesize

    104KB

  • memory/2440-89-0x0000000007250000-0x000000000726A000-memory.dmp

    Filesize

    104KB

  • memory/2440-45-0x0000000005640000-0x0000000005994000-memory.dmp

    Filesize

    3.3MB

  • memory/2440-32-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/4116-10-0x0000000006660000-0x000000000666C000-memory.dmp

    Filesize

    48KB

  • memory/4116-12-0x0000000008E10000-0x0000000008EAC000-memory.dmp

    Filesize

    624KB

  • memory/4116-30-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-6-0x0000000005C90000-0x0000000005D2E000-memory.dmp

    Filesize

    632KB

  • memory/4116-5-0x0000000005910000-0x0000000005C64000-memory.dmp

    Filesize

    3.3MB

  • memory/4116-4-0x00000000057A0000-0x00000000057B0000-memory.dmp

    Filesize

    64KB

  • memory/4116-9-0x0000000006640000-0x0000000006648000-memory.dmp

    Filesize

    32KB

  • memory/4116-7-0x0000000006600000-0x000000000660A000-memory.dmp

    Filesize

    40KB

  • memory/4116-8-0x0000000006620000-0x0000000006634000-memory.dmp

    Filesize

    80KB

  • memory/4116-2-0x0000000005D80000-0x0000000006324000-memory.dmp

    Filesize

    5.6MB

  • memory/4116-1-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/4116-0-0x0000000000DA0000-0x0000000000E52000-memory.dmp

    Filesize

    712KB

  • memory/4116-3-0x0000000005870000-0x0000000005902000-memory.dmp

    Filesize

    584KB

  • memory/4116-11-0x0000000006810000-0x0000000006894000-memory.dmp

    Filesize

    528KB

  • memory/4972-27-0x0000000004730000-0x0000000004740000-memory.dmp

    Filesize

    64KB

  • memory/4972-78-0x0000000006B70000-0x0000000006C13000-memory.dmp

    Filesize

    652KB

  • memory/4972-81-0x00000000074F0000-0x0000000007B6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4972-80-0x0000000004730000-0x0000000004740000-memory.dmp

    Filesize

    64KB

  • memory/4972-57-0x0000000071BC0000-0x0000000071C0C000-memory.dmp

    Filesize

    304KB

  • memory/4972-84-0x0000000007130000-0x00000000071C6000-memory.dmp

    Filesize

    600KB

  • memory/4972-54-0x0000000006160000-0x0000000006192000-memory.dmp

    Filesize

    200KB

  • memory/4972-56-0x000000007EF70000-0x000000007EF80000-memory.dmp

    Filesize

    64KB

  • memory/4972-88-0x00000000070F0000-0x0000000007104000-memory.dmp

    Filesize

    80KB

  • memory/4972-52-0x0000000005B80000-0x0000000005B9E000-memory.dmp

    Filesize

    120KB

  • memory/4972-90-0x00000000071D0000-0x00000000071D8000-memory.dmp

    Filesize

    32KB

  • memory/4972-26-0x00000000053E0000-0x0000000005402000-memory.dmp

    Filesize

    136KB

  • memory/4972-25-0x0000000004730000-0x0000000004740000-memory.dmp

    Filesize

    64KB

  • memory/4972-96-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-18-0x00000000749E0000-0x0000000075190000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-19-0x0000000004D70000-0x0000000005398000-memory.dmp

    Filesize

    6.2MB

  • memory/4972-17-0x00000000045C0000-0x00000000045F6000-memory.dmp

    Filesize

    216KB