Analysis

  • max time kernel
    148s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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
  • 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.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe
    "C:\Users\Admin\AppData\Local\Temp\0dcb411b9f6379a883cd210ff2fe8927deefc995008701a462131873d945517d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4200
    • 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:2052
    • 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:4448
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ErDmnaZHPpv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp703E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4440

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
    Filesize

    18KB

    MD5

    d769a293b6ccb7cd3828b0a5193c9557

    SHA1

    51d54f4c1d6b9d5f1dc902e846e1a03bcb5fa650

    SHA256

    2cb0ce9d15e5e617425440e42c7f97da1e98a6e478d55136b728a40410d94014

    SHA512

    4cadc2d83b34a73ff009c4ba5f2555da0bee0d9c3a59aa2eb434818a1f8369239f9df3d5cfe95beaab1d368073a744f1e981b0572166c5ae127dee342377d3bc

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vy4ij3yt.tiw.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp703E.tmp
    Filesize

    1KB

    MD5

    93dc8f3ccd7eab6f6d32208fc8415691

    SHA1

    1885bf56cb45ad72ec6f03d9ac4be7020c390717

    SHA256

    823bc108ed42a2c0407bd332879a08baf42a7373620fead382740cc74d66d4c3

    SHA512

    c970eb90b783eb37b8f29a370a9b25dba025dcb2ed057f244308276cf9b75bdc6be29c6132f7c3b75e8c5761eb2092ece3d276b1827dc719087c0dd0a9a55096

  • memory/2052-15-0x0000000004D30000-0x0000000005358000-memory.dmp
    Filesize

    6.2MB

  • memory/2052-71-0x0000000007550000-0x0000000007BCA000-memory.dmp
    Filesize

    6.5MB

  • memory/2052-77-0x0000000007140000-0x0000000007154000-memory.dmp
    Filesize

    80KB

  • memory/2052-76-0x0000000007130000-0x000000000713E000-memory.dmp
    Filesize

    56KB

  • memory/2052-74-0x0000000007180000-0x0000000007216000-memory.dmp
    Filesize

    600KB

  • memory/2052-72-0x0000000006F00000-0x0000000006F1A000-memory.dmp
    Filesize

    104KB

  • memory/2052-14-0x00000000022C0000-0x00000000022F6000-memory.dmp
    Filesize

    216KB

  • memory/2052-16-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2052-49-0x000000006F740000-0x000000006F78C000-memory.dmp
    Filesize

    304KB

  • memory/2052-18-0x00000000022B0000-0x00000000022C0000-memory.dmp
    Filesize

    64KB

  • memory/2052-17-0x00000000022B0000-0x00000000022C0000-memory.dmp
    Filesize

    64KB

  • memory/2052-78-0x0000000007240000-0x000000000725A000-memory.dmp
    Filesize

    104KB

  • memory/2052-60-0x0000000006BE0000-0x0000000006C83000-memory.dmp
    Filesize

    652KB

  • memory/2052-23-0x00000000053D0000-0x0000000005436000-memory.dmp
    Filesize

    408KB

  • memory/2052-24-0x0000000005440000-0x00000000054A6000-memory.dmp
    Filesize

    408KB

  • memory/2052-22-0x0000000004D00000-0x0000000004D22000-memory.dmp
    Filesize

    136KB

  • memory/2052-79-0x0000000007220000-0x0000000007228000-memory.dmp
    Filesize

    32KB

  • memory/2052-59-0x00000000061C0000-0x00000000061DE000-memory.dmp
    Filesize

    120KB

  • memory/2052-87-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2052-40-0x0000000005780000-0x0000000005AD4000-memory.dmp
    Filesize

    3.3MB

  • memory/2052-48-0x0000000006BA0000-0x0000000006BD2000-memory.dmp
    Filesize

    200KB

  • memory/2052-46-0x0000000005BD0000-0x0000000005BEE000-memory.dmp
    Filesize

    120KB

  • memory/2052-47-0x0000000006150000-0x000000000619C000-memory.dmp
    Filesize

    304KB

  • memory/4200-45-0x000000000CA10000-0x000000000CA50000-memory.dmp
    Filesize

    256KB

  • memory/4200-6-0x0000000005CF0000-0x0000000005D10000-memory.dmp
    Filesize

    128KB

  • memory/4200-89-0x0000000005A20000-0x0000000005A30000-memory.dmp
    Filesize

    64KB

  • memory/4200-88-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4200-1-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4200-2-0x0000000005EE0000-0x0000000006484000-memory.dmp
    Filesize

    5.6MB

  • memory/4200-9-0x000000000CA70000-0x000000000CB0C000-memory.dmp
    Filesize

    624KB

  • memory/4200-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp
    Filesize

    584KB

  • memory/4200-8-0x0000000009950000-0x00000000099D2000-memory.dmp
    Filesize

    520KB

  • memory/4200-83-0x0000000007460000-0x00000000074B0000-memory.dmp
    Filesize

    320KB

  • memory/4200-7-0x0000000006C90000-0x0000000006CA4000-memory.dmp
    Filesize

    80KB

  • memory/4200-0-0x0000000000F80000-0x0000000001052000-memory.dmp
    Filesize

    840KB

  • memory/4200-5-0x0000000005C00000-0x0000000005C0A000-memory.dmp
    Filesize

    40KB

  • memory/4200-4-0x0000000005A20000-0x0000000005A30000-memory.dmp
    Filesize

    64KB

  • memory/4448-82-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4448-75-0x0000000007910000-0x0000000007921000-memory.dmp
    Filesize

    68KB

  • memory/4448-73-0x0000000007780000-0x000000000778A000-memory.dmp
    Filesize

    40KB

  • memory/4448-19-0x0000000074920000-0x00000000750D0000-memory.dmp
    Filesize

    7.7MB

  • memory/4448-61-0x000000006F740000-0x000000006F78C000-memory.dmp
    Filesize

    304KB

  • memory/4448-21-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
    Filesize

    64KB

  • memory/4448-20-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
    Filesize

    64KB