Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 01:31

General

  • Target

    09705f03e3cd697bab38eb3a5c1c551bf6269c77f82eabb9a94871939b59170f.exe

  • Size

    790KB

  • MD5

    c17695e30b4eca8c1ea15dfc6b4741f7

  • SHA1

    3aad8f4df2826bf777654a39af944011ead7cb1b

  • SHA256

    09705f03e3cd697bab38eb3a5c1c551bf6269c77f82eabb9a94871939b59170f

  • SHA512

    8e0f8b79a82792caa152542fda3d7a11ba7da341267ca84eab3935a8f96b6aa887703e1a4d43178196e93d70afb1b71a08fa299ed386e0b812d54fc2f387d206

  • SSDEEP

    24576:nMTsaArNuC1Un3ld9AYt75cAdwAnflsA2:ndPrW3l7PuAnflsA2

Malware Config

Extracted

Family

redline

Botnet

biss

C2

172.81.131.198:16383

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.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 3 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09705f03e3cd697bab38eb3a5c1c551bf6269c77f82eabb9a94871939b59170f.exe
    "C:\Users\Admin\AppData\Local\Temp\09705f03e3cd697bab38eb3a5c1c551bf6269c77f82eabb9a94871939b59170f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\system32\cmd.exe
      "cmd" /C wmic path win32_ComputerSystem get model
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic path win32_ComputerSystem get model
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2856
    • C:\Users\Admin\AppData\Local\Temp\mZTzbQbbRl\build.exe
      "C:\Users\Admin\AppData\Local\Temp\mZTzbQbbRl\build.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1332
    • C:\Users\Admin\AppData\Local\Temp\hRZLzFGEKMDM\F1zIEr8LymmYf1N.exe
      "C:\Users\Admin\AppData\Local\Temp\hRZLzFGEKMDM\F1zIEr8LymmYf1N.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:2600
      • 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\hRZLzFGEKMDM\F1zIEr8LymmYf1N.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2916
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gpGmOsnKqxu.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2996
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gpGmOsnKqxu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC255.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2964
      • C:\Users\Admin\AppData\Local\Temp\hRZLzFGEKMDM\F1zIEr8LymmYf1N.exe
        "C:\Users\Admin\AppData\Local\Temp\hRZLzFGEKMDM\F1zIEr8LymmYf1N.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2912
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C TIMEOUT /T 3 && DEL /f "C:\Users\Admin\AppData\Local\Temp\09705f03e3cd697bab38eb3a5c1c551bf6269c77f82eabb9a94871939b59170f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\system32\timeout.exe
        TIMEOUT /T 3
        3⤵
        • Delays execution with timeout.exe
        PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hRZLzFGEKMDM\F1zIEr8LymmYf1N.exe

    Filesize

    682KB

    MD5

    699306ec02e3559349c05b65b0121d99

    SHA1

    1209add8d6c69c7f38390b9877317370ebb89590

    SHA256

    7a84173e1943cfb94e015aee5590b89d99814e9865c6f8602f88dbb28207eb99

    SHA512

    111a66d0ed10d68145012adf36f2e90fba109034336f3c108d3c24e3df99bdf56ca05f3d555694ca3dc834173b23c95759470c2b9df0ad2cf2bb46f54f7ac5df

  • C:\Users\Admin\AppData\Local\Temp\mZTzbQbbRl\build.exe

    Filesize

    95KB

    MD5

    e18aaa8463e5c50aa14900b782c86dfa

    SHA1

    1ae0219a277685e3122389a7f46df7d1289381d1

    SHA256

    51a0f360052dc819f3f27677e13e93684ff3089e34d1f9e42fa76e4471fcb245

    SHA512

    b9767adaf7273c8d1501e288d998af22493d30c066cce10de77d02bbd450f02501bc9581b87a14bd0ab081cc1a52c2371e3059b890e7e386d6f1e1e48329df92

  • C:\Users\Admin\AppData\Local\Temp\tmpC255.tmp

    Filesize

    1KB

    MD5

    c21bc3fa317a57f11eb3f9955f2f6e16

    SHA1

    95f0e318baff12143637747996c677147962021d

    SHA256

    e04cbeb546c24c49fdde11303cc4dc923a331093a4e46e6642346810f0981430

    SHA512

    39d09cf39583156aeec40a5fd7ced7bacbc3c187a2492e2f736c8ca8988b2cf04c17f0bbdb3c7b50738c94278a22e421756226a31d7dd08ef892ebde02d94456

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

    Filesize

    7KB

    MD5

    1e45463c4f62d4391134f55e27f10b96

    SHA1

    ac36ede2d1a9d7351beb17c953877488b5d776aa

    SHA256

    6103bca18e771cd10121fc986c479d82700c22e13435ba5f91e92d422e256736

    SHA512

    9c6ff48ede43968715cf89a7774f45d6c9d504fa53b5cf60d13aa56143107ef951d8456b0d3de3b9f735d7c5acfcb859d81f3691d2a433bb668b9e2b25431134

  • memory/1332-16-0x00000000010B0000-0x00000000010CE000-memory.dmp

    Filesize

    120KB

  • memory/2176-0-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp

    Filesize

    4KB

  • memory/2176-1-0x0000000000040000-0x000000000010C000-memory.dmp

    Filesize

    816KB

  • memory/2600-32-0x0000000004D50000-0x0000000004DD6000-memory.dmp

    Filesize

    536KB

  • memory/2600-31-0x0000000001EF0000-0x0000000001EFE000-memory.dmp

    Filesize

    56KB

  • memory/2600-18-0x0000000001ED0000-0x0000000001EE6000-memory.dmp

    Filesize

    88KB

  • memory/2600-17-0x00000000000A0000-0x0000000000150000-memory.dmp

    Filesize

    704KB

  • memory/2912-46-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-58-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-57-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-55-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2912-52-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-50-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2912-48-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB