Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 01:11

General

  • Target

    0dfee48d6f0ab22d94eb3e2f045f543e8f9554169730533128425714527fe441.exe

  • Size

    4.6MB

  • MD5

    418d3422db5ec4b85b95647cf1dca1ee

  • SHA1

    fbc3e8cf62c5de0f319a81bb03fbd397487285cf

  • SHA256

    0dfee48d6f0ab22d94eb3e2f045f543e8f9554169730533128425714527fe441

  • SHA512

    678397b004c96113991f733f35a174d76847aae66e846b1e8d8f00d4318814cbbddc7e535c627adb27d028c595aefa753d8c2747bc0621ee1c35ff0051d0526c

  • SSDEEP

    98304:JrtNtkXBS3lfftb2/Jgk+5KwWELBGh+p257hHIsLtvn/4dmDrs4x:lrtk03hfkJgk+5ME9U3XoCtvnEyP

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 6 IoCs
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 21 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dfee48d6f0ab22d94eb3e2f045f543e8f9554169730533128425714527fe441.exe
    "C:\Users\Admin\AppData\Local\Temp\0dfee48d6f0ab22d94eb3e2f045f543e8f9554169730533128425714527fe441.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\system32\cmd.exe
      "cmd" /C wmic path win32_ComputerSystem get model
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic path win32_ComputerSystem get model
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2564
    • C:\Users\Admin\AppData\Local\Temp\liODLhDtCr\m59NGFc4NGv3cEq.exe
      "C:\Users\Admin\AppData\Local\Temp\liODLhDtCr\m59NGFc4NGv3cEq.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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\liODLhDtCr\m59NGFc4NGv3cEq.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1580
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qbBOxcvrRwZ.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2056
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qbBOxcvrRwZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1719.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2124
      • C:\Users\Admin\AppData\Local\Temp\liODLhDtCr\m59NGFc4NGv3cEq.exe
        "C:\Users\Admin\AppData\Local\Temp\liODLhDtCr\m59NGFc4NGv3cEq.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2780
    • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
      "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2980
      • 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\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3064
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kGkrrVBwvWw.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:984
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kGkrrVBwvWw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEB9.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1616
      • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
        "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Executes dropped EXE
        PID:1900
      • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
        "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Executes dropped EXE
        PID:1852
      • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
        "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Executes dropped EXE
        PID:2940
      • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
        "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Executes dropped EXE
        PID:1836
      • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe
        "C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe"
        3⤵
        • Executes dropped EXE
        PID:2956
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C TIMEOUT /T 3 && DEL /f "C:\Users\Admin\AppData\Local\Temp\0dfee48d6f0ab22d94eb3e2f045f543e8f9554169730533128425714527fe441.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\system32\timeout.exe
        TIMEOUT /T 3
        3⤵
        • Delays execution with timeout.exe
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\liODLhDtCr\m59NGFc4NGv3cEq.exe

    Filesize

    2.3MB

    MD5

    b556e1671ea4cfdd09a334ba56e3d88d

    SHA1

    6a1e3965c5ce1d343583e9575b39ba4bdc3799c4

    SHA256

    10b424b2ef3c49c855f2ce5163757f726df556aedf621be7d26f1f3669d5b66b

    SHA512

    cd222b1177956b5c93c3b200807f7e876346ad99a5d7a2af3a5fe3fc95dba9b98763ad84ff4a5c3674aaba1a44c1c4d323c72a68b34dccc05a54748e2452766a

  • C:\Users\Admin\AppData\Local\Temp\tmp1719.tmp

    Filesize

    1KB

    MD5

    dc69cea9404482f94f447f34701ec85f

    SHA1

    4c1ea1759cd8373554a6ac285afc47db3de657f5

    SHA256

    695ef84c443b6b8059407171bc8d2e29c10b2870c59c049d82d461f48f3193f1

    SHA512

    86d5d47527f53ccb25b2936bb99d3b5c9c158c089a890bf263c283ca0b7ab762947efca23212784a19cd35de629106d34aa41dc2aae7fa7702b12a65d5500286

  • C:\Users\Admin\AppData\Local\Temp\tmpFEB9.tmp

    Filesize

    1KB

    MD5

    8bb8741f1ea1023e62085c115490204b

    SHA1

    760c01138647012c97c1d8bcc3becc52dee862f0

    SHA256

    d9781330febe3f723101d55c26392a173b1937d9614feae2d16a73f538221ae0

    SHA512

    8f7e6bdfd456ace9e0c78b80f38767399d7c2623db93e79830a0debb3cccc812ec64e2de6b5b1ba9744260e3b6f36b803c9c3006d9816d6a6f03c54be2c92810

  • C:\Users\Admin\AppData\Local\Temp\yGreEVXKoamE\XDDz4zPtAG5Y1JP.exe

    Filesize

    2.3MB

    MD5

    7a7a7c876f642137056271817db6109a

    SHA1

    0833452d4ca169c1a12ce0ce0ef5f408b510b7f6

    SHA256

    1a1a61ea96f734f572ce0836182585ea0533c87c50a68dccb43d316b4cc250da

    SHA512

    9795110b5dd6f196a48bbfb592b4e8ad02350cc6e5e067586187f0a5991e4d93c9f471fe29b6f8f1c048a3a784ac5bccd249a999fc26f70b58982fa349f9c4fb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    9d8d69c51192f83a5e9dfe595fa9a61d

    SHA1

    0122e608f897b11b82ede5d17a56cdf97104f9c4

    SHA256

    87528cfbbb06de4519f56e91500d035209d7c6ac0933519c0042dfb2814ba6eb

    SHA512

    91e5e5074c16aacbfe15da2817d92957a7b0bd821a9182069757ff916be808f9d8a6b6815c034b447cec71ba0d6e524f064a846ebcf9d8f460836792bd604e77

  • memory/2484-1-0x0000000001220000-0x00000000016C4000-memory.dmp

    Filesize

    4.6MB

  • memory/2484-0-0x000007FEF5503000-0x000007FEF5504000-memory.dmp

    Filesize

    4KB

  • memory/2704-16-0x0000000000BB0000-0x0000000000E00000-memory.dmp

    Filesize

    2.3MB

  • memory/2704-18-0x0000000000B20000-0x0000000000B3E000-memory.dmp

    Filesize

    120KB

  • memory/2704-20-0x000000000ADD0000-0x000000000AFE8000-memory.dmp

    Filesize

    2.1MB

  • memory/2780-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-65-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-59-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-78-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-63-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-76-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-90-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-73-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-71-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-80-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-69-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-82-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-67-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-79-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-86-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-88-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-61-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-84-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-83-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-89-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-87-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-85-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2780-81-0x0000000000400000-0x0000000000A20000-memory.dmp

    Filesize

    6.1MB

  • memory/2980-19-0x0000000008E60000-0x000000000907E000-memory.dmp

    Filesize

    2.1MB

  • memory/2980-17-0x00000000002A0000-0x00000000004F8000-memory.dmp

    Filesize

    2.3MB