Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 01:05

General

  • Target

    0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe

  • Size

    820KB

  • MD5

    37e040fd3c8e9323ebea1d109fe114a0

  • SHA1

    cde21542ccc6fb3a5ad0f28e56b4a01cc26b4812

  • SHA256

    0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d

  • SHA512

    1b288292e79111e84055b4086caeda9f7009cb9bf78dfb14a180d26c03b261e0fc35b2989586c8e13063f67d66503762fbf42a77935a0f5571c3488b2bb6c9f1

  • SSDEEP

    12288:NPqnHvjNIrpf9rN/mc/CaoJWIqf0b9c5QBFf6MBrBXCOynLpT9w9ky1BgKDIWn6S:NyPjKr5BNDWJPBFf6Ml9COcZWkyjR

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 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.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe
    "C:\Users\Admin\AppData\Local\Temp\0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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\0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ErDmnaZHPpv.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ErDmnaZHPpv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3054.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2608

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

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3054.tmp
    Filesize

    1KB

    MD5

    e504f713dffff9bf47350fd2eeb79b08

    SHA1

    49361b0e31bbe5bb5b50b16cb20b1617ddf0878d

    SHA256

    ed44b35858d716ca18234b896a7e5563df05e5f5ebabbfdeca611388661513f3

    SHA512

    60c32e06b5778cd25f258d97984a829eb816f98260c2dea3346a1443f945dec90d69eee75e1088d781ed740f627eb410db0253dba09fdbc85d7daa17af7b1053

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

    7KB

    MD5

    61b786a18d5617e04340d02512635208

    SHA1

    91d060e5c7f3d346a0b9b983b87b1a0ae872a8af

    SHA256

    88c74ef9d7ddae2f11240c230bf21c834d3c98a0f63c19818575a680f138ec71

    SHA512

    17b2bd0f4b63cc971c745b77a7b72cea31ed17213954a3f068f0786f7ddf5aa0f21933a83d4391d5cceb558f53dd25ba17e2af6e310375a35fea9aa1c8859b4b

  • memory/3044-0-0x0000000000A60000-0x0000000000B32000-memory.dmp
    Filesize

    840KB

  • memory/3044-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3044-2-0x0000000002120000-0x0000000002160000-memory.dmp
    Filesize

    256KB

  • memory/3044-3-0x0000000000430000-0x0000000000450000-memory.dmp
    Filesize

    128KB

  • memory/3044-4-0x0000000000600000-0x0000000000614000-memory.dmp
    Filesize

    80KB

  • memory/3044-5-0x00000000059B0000-0x0000000005A32000-memory.dmp
    Filesize

    520KB

  • memory/3044-18-0x0000000004DE0000-0x0000000004E20000-memory.dmp
    Filesize

    256KB

  • memory/3044-19-0x0000000074DC0000-0x00000000754AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3044-20-0x0000000002120000-0x0000000002160000-memory.dmp
    Filesize

    256KB