Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 22:28

General

  • Target

    2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe

  • Size

    438KB

  • MD5

    2e7067f7351dbb597e587f2cf17e2078

  • SHA1

    351fe3096f32056c1377cdf9c59cc21ed63f3663

  • SHA256

    fa6598232bda21145174fb4c433e24a4a16ba270edbd02505c896d2f3de5a0e8

  • SHA512

    0874c300ba070661fdc9431ac27aeca8586d2bd1bf0fc67e6e7444281fd4747f10ca4999e22a63a68903f98dea549ca7d2eeb7da5e9b5425d735f36abfe3baff

  • SSDEEP

    6144:2MZ2Yla6iWdtj/ytSD+51/6lTw45FeNiIHx8j2Wy3QZC/BdTrR0BC2hVNCaFio:2MZlAuR/S51il1G8j2TgZSTfR0BC+fFV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dairysystems.co.ke
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2019@systems

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 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\2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3760
    • 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\2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3744
    • C:\Users\Admin\AppData\Local\Temp\2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\2e7067f7351dbb597e587f2cf17e2078_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5064

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b0gihzen.bdz.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3744-51-0x00000000071F0000-0x000000000720A000-memory.dmp
    Filesize

    104KB

  • memory/3744-53-0x0000000007470000-0x0000000007506000-memory.dmp
    Filesize

    600KB

  • memory/3744-62-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/3744-58-0x0000000007530000-0x0000000007538000-memory.dmp
    Filesize

    32KB

  • memory/3744-57-0x0000000007550000-0x000000000756A000-memory.dmp
    Filesize

    104KB

  • memory/3744-56-0x0000000007450000-0x0000000007464000-memory.dmp
    Filesize

    80KB

  • memory/3744-55-0x0000000007440000-0x000000000744E000-memory.dmp
    Filesize

    56KB

  • memory/3744-54-0x00000000073F0000-0x0000000007401000-memory.dmp
    Filesize

    68KB

  • memory/3744-52-0x0000000007260000-0x000000000726A000-memory.dmp
    Filesize

    40KB

  • memory/3744-50-0x0000000007830000-0x0000000007EAA000-memory.dmp
    Filesize

    6.5MB

  • memory/3744-49-0x0000000006EC0000-0x0000000006F63000-memory.dmp
    Filesize

    652KB

  • memory/3744-12-0x0000000004910000-0x0000000004946000-memory.dmp
    Filesize

    216KB

  • memory/3744-13-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/3744-14-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/3744-15-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/3744-16-0x00000000050C0000-0x00000000056E8000-memory.dmp
    Filesize

    6.2MB

  • memory/3744-17-0x0000000004F30000-0x0000000004F52000-memory.dmp
    Filesize

    136KB

  • memory/3744-34-0x0000000005EE0000-0x0000000005EFE000-memory.dmp
    Filesize

    120KB

  • memory/3744-19-0x0000000005820000-0x0000000005886000-memory.dmp
    Filesize

    408KB

  • memory/3744-48-0x0000000006E50000-0x0000000006E6E000-memory.dmp
    Filesize

    120KB

  • memory/3744-38-0x0000000074D60000-0x0000000074DAC000-memory.dmp
    Filesize

    304KB

  • memory/3744-31-0x0000000005A00000-0x0000000005D54000-memory.dmp
    Filesize

    3.3MB

  • memory/3744-37-0x0000000006E70000-0x0000000006EA2000-memory.dmp
    Filesize

    200KB

  • memory/3744-36-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/3744-35-0x0000000005F90000-0x0000000005FDC000-memory.dmp
    Filesize

    304KB

  • memory/3760-32-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/3760-5-0x00000000052B0000-0x00000000052BA000-memory.dmp
    Filesize

    40KB

  • memory/3760-7-0x0000000005570000-0x000000000557E000-memory.dmp
    Filesize

    56KB

  • memory/3760-8-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/3760-9-0x00000000053A0000-0x00000000053B0000-memory.dmp
    Filesize

    64KB

  • memory/3760-11-0x0000000007330000-0x0000000007396000-memory.dmp
    Filesize

    408KB

  • memory/3760-10-0x00000000069B0000-0x0000000006A10000-memory.dmp
    Filesize

    384KB

  • memory/3760-1-0x00000000007D0000-0x0000000000844000-memory.dmp
    Filesize

    464KB

  • memory/3760-3-0x0000000005200000-0x0000000005292000-memory.dmp
    Filesize

    584KB

  • memory/3760-2-0x00000000057B0000-0x0000000005D54000-memory.dmp
    Filesize

    5.6MB

  • memory/3760-0-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/3760-4-0x00000000053A0000-0x00000000053B0000-memory.dmp
    Filesize

    64KB

  • memory/3760-6-0x0000000006600000-0x000000000669C000-memory.dmp
    Filesize

    624KB

  • memory/5064-63-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB

  • memory/5064-33-0x0000000005110000-0x0000000005120000-memory.dmp
    Filesize

    64KB

  • memory/5064-59-0x00000000053C0000-0x00000000053D8000-memory.dmp
    Filesize

    96KB

  • memory/5064-65-0x0000000005F60000-0x0000000005FB0000-memory.dmp
    Filesize

    320KB

  • memory/5064-64-0x0000000005110000-0x0000000005120000-memory.dmp
    Filesize

    64KB

  • memory/5064-18-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/5064-30-0x00000000744B0000-0x0000000074C60000-memory.dmp
    Filesize

    7.7MB