Analysis

  • max time kernel
    67s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 01:07

General

  • Target

    c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe

  • Size

    697KB

  • MD5

    ac26d2cbb10147452d05954370444a1b

  • SHA1

    64257dbb911889303be1ed73518fa9525e068428

  • SHA256

    c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c

  • SHA512

    043d49cfe502e5f930d5c6c1b43d2cf07ac1fa97044077373f1cafcbf8623c2cc5fa1a99a022fa00ebefb7bd734cdf38265ac29804e328ef8c797c1318562899

  • SSDEEP

    12288:1+DbgvUB778Qeexx1rNUCDVCLU5uf2tkJCwON8/aUHOYtFsBnTadozPP3JCrhd:UgsBZj9NUHbRJMNfUlkTaSzPP0hd

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe
    "C:\Users\Admin\AppData\Local\Temp\c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • 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\c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fxTrTFmtJU.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxTrTFmtJU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67F1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2568
    • C:\Users\Admin\AppData\Local\Temp\c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe
      "C:\Users\Admin\AppData\Local\Temp\c7174f7a64121e448a1789b703c2e263b1f9db4bc52aa3aeceded1879905af6c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:892

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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
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

    f13705e21acd76983a0e036ae909f7fe

    SHA1

    0f8fb34ba6b80d8ccc06245381e89e837500c49d

    SHA256

    2036622dfd52738624cb3a19adcb1579ff4c4ce275a3831e62cfcb7e83917083

    SHA512

    cbccd6f1089cf05a3775a2e37ad0b9bdcfbecbb7ad75eec832d9d16de3391d8adcae657ea3f299a3605f4badf1aad2f77801b33b9647e372842333af1db1ad0f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i3ohbvs2.2cl.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp67F1.tmp
    Filesize

    1KB

    MD5

    25c96e560c8618aad66de60cb366a48f

    SHA1

    8a9b90f28aab48a526239107f61e45465b506202

    SHA256

    ea3a30aded7ab14aa07bfb77f83e3729bf5be6855541d4c9c51446f7cae7e4e1

    SHA512

    5457b8ed05c09ead51539d3ba8368c0abb5cf4fcbd20b3285b1c0d38f82e6ce108a9c04db36fc41eb08b869365d031716895cad91d282a9c9d7208e62b30214a

  • memory/892-91-0x0000000006DE0000-0x0000000006E30000-memory.dmp
    Filesize

    320KB

  • memory/892-47-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/1464-21-0x0000000004DE0000-0x0000000004E02000-memory.dmp
    Filesize

    136KB

  • memory/1464-50-0x0000000005D10000-0x0000000005D2E000-memory.dmp
    Filesize

    120KB

  • memory/1464-83-0x0000000007370000-0x0000000007378000-memory.dmp
    Filesize

    32KB

  • memory/1464-75-0x0000000007050000-0x000000000706A000-memory.dmp
    Filesize

    104KB

  • memory/1464-63-0x0000000006F00000-0x0000000006F1E000-memory.dmp
    Filesize

    120KB

  • memory/1464-15-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/1464-16-0x00000000047A0000-0x00000000047D6000-memory.dmp
    Filesize

    216KB

  • memory/1464-18-0x0000000004750000-0x0000000004760000-memory.dmp
    Filesize

    64KB

  • memory/1464-17-0x0000000004750000-0x0000000004760000-memory.dmp
    Filesize

    64KB

  • memory/1464-19-0x0000000004E10000-0x0000000005438000-memory.dmp
    Filesize

    6.2MB

  • memory/1464-53-0x0000000071480000-0x00000000714CC000-memory.dmp
    Filesize

    304KB

  • memory/1464-24-0x00000000056A0000-0x0000000005706000-memory.dmp
    Filesize

    408KB

  • memory/1464-52-0x00000000062E0000-0x0000000006312000-memory.dmp
    Filesize

    200KB

  • memory/1464-89-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/1464-37-0x0000000005710000-0x0000000005A64000-memory.dmp
    Filesize

    3.3MB

  • memory/1464-51-0x0000000006060000-0x00000000060AC000-memory.dmp
    Filesize

    304KB

  • memory/1464-82-0x0000000007390000-0x00000000073AA000-memory.dmp
    Filesize

    104KB

  • memory/1464-22-0x0000000005630000-0x0000000005696000-memory.dmp
    Filesize

    408KB

  • memory/2184-6-0x0000000005500000-0x0000000005518000-memory.dmp
    Filesize

    96KB

  • memory/2184-3-0x0000000005280000-0x0000000005312000-memory.dmp
    Filesize

    584KB

  • memory/2184-49-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/2184-4-0x00000000053C0000-0x00000000053D0000-memory.dmp
    Filesize

    64KB

  • memory/2184-7-0x0000000005740000-0x000000000574E000-memory.dmp
    Filesize

    56KB

  • memory/2184-5-0x0000000005260000-0x000000000526A000-memory.dmp
    Filesize

    40KB

  • memory/2184-0-0x00000000008E0000-0x0000000000994000-memory.dmp
    Filesize

    720KB

  • memory/2184-20-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/2184-10-0x0000000008D40000-0x0000000008DDC000-memory.dmp
    Filesize

    624KB

  • memory/2184-1-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/2184-2-0x0000000005790000-0x0000000005D34000-memory.dmp
    Filesize

    5.6MB

  • memory/2184-9-0x0000000006440000-0x00000000064C4000-memory.dmp
    Filesize

    528KB

  • memory/2184-8-0x0000000005750000-0x0000000005766000-memory.dmp
    Filesize

    88KB

  • memory/2196-25-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/2196-78-0x00000000070B0000-0x0000000007146000-memory.dmp
    Filesize

    600KB

  • memory/2196-79-0x0000000007030000-0x0000000007041000-memory.dmp
    Filesize

    68KB

  • memory/2196-80-0x0000000007060000-0x000000000706E000-memory.dmp
    Filesize

    56KB

  • memory/2196-81-0x0000000007070000-0x0000000007084000-memory.dmp
    Filesize

    80KB

  • memory/2196-77-0x0000000006EA0000-0x0000000006EAA000-memory.dmp
    Filesize

    40KB

  • memory/2196-76-0x0000000007470000-0x0000000007AEA000-memory.dmp
    Filesize

    6.5MB

  • memory/2196-74-0x0000000006D00000-0x0000000006DA3000-memory.dmp
    Filesize

    652KB

  • memory/2196-64-0x0000000071480000-0x00000000714CC000-memory.dmp
    Filesize

    304KB

  • memory/2196-90-0x0000000074DE0000-0x0000000075590000-memory.dmp
    Filesize

    7.7MB

  • memory/2196-26-0x00000000022F0000-0x0000000002300000-memory.dmp
    Filesize

    64KB

  • memory/2196-27-0x00000000022F0000-0x0000000002300000-memory.dmp
    Filesize

    64KB