Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 01:16

General

  • Target

    DETAILS.exe

  • Size

    728KB

  • MD5

    339649aa12a77cfcc09c7b07fc9d7f52

  • SHA1

    038ef4d52e2553340063d713660a1c4aa1fb7619

  • SHA256

    922ed44d8e5c7526f172f18f7f2bcb352ae3c89295aa0b18448e6e18892ec4ef

  • SHA512

    c329d09e06adf39e27ea380ada1913ecf3ef4211c3edcd1f3c1515f55fc0e9360e256efe7f1adc57852e56905e0376b61c87151e543bf8461e2e12c5d52196c2

  • SSDEEP

    12288:3JglQx+3ZRl5RY4btD+K5t7UQC4u88ildNMPbUrpOwD4muneIjRxmL87vWX1pfSf:ZpxQRhtV88dgbUdOwTunGL8j15ya0M

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itresinc.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MT]ANFjWzKTA

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 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.

  • Looks up external IP address via web service 2 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\DETAILS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • 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\DETAILS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TQUDbFDZarHZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TQUDbFDZarHZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC052.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:948
    • C:\Users\Admin\AppData\Local\Temp\DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\DETAILS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:412

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

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    18KB

    MD5

    2e366ecb329aaf658e442c05e4897050

    SHA1

    a735a2abc1166fa0e7313f4ef5da65872ec2e6cb

    SHA256

    9ef23576c32b2da1a3323b19dcd873a7bda44104a19850d7221176f2e52f6a41

    SHA512

    b82c9e4d29b6efc252171415b1a54fe0f64fdc1da271f8d456fe8ee0676f11f4bd8a4d2714ae48cd2d54eb2762f9cbb10e06be1792fb3179d63f3b447b0371f0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wjezevp2.l25.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC052.tmp
    Filesize

    1KB

    MD5

    39b2a72183091ad2cfbd4186a5f96f16

    SHA1

    5ce1bb4f4ac8e2b633da19ecd4338cf1ac2c04f0

    SHA256

    fd6df4719f7d811509a151c92dd1f01fdc11fb92ac7270343f5c1a549ff204f2

    SHA512

    d3ed3eefc581f26de12353e04cc864f92b984787e0c8bdf9dd38bbc0600fddcea9d0ebbdc26354bc3ba6ba5097c059294e5ca3cb97188eeb12c1aa7084527b5b

  • memory/412-87-0x0000000006700000-0x0000000006750000-memory.dmp
    Filesize

    320KB

  • memory/412-100-0x00000000050D0000-0x00000000050E0000-memory.dmp
    Filesize

    64KB

  • memory/412-25-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/412-33-0x00000000050D0000-0x00000000050E0000-memory.dmp
    Filesize

    64KB

  • memory/412-31-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/412-99-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/1676-4-0x00000000057E0000-0x0000000005B34000-memory.dmp
    Filesize

    3.3MB

  • memory/1676-2-0x0000000005B50000-0x00000000060F4000-memory.dmp
    Filesize

    5.6MB

  • memory/1676-9-0x0000000006BA0000-0x0000000006BAC000-memory.dmp
    Filesize

    48KB

  • memory/1676-5-0x00000000057D0000-0x00000000057E0000-memory.dmp
    Filesize

    64KB

  • memory/1676-0-0x0000000000B00000-0x0000000000BBA000-memory.dmp
    Filesize

    744KB

  • memory/1676-3-0x00000000055A0000-0x0000000005632000-memory.dmp
    Filesize

    584KB

  • memory/1676-20-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/1676-10-0x0000000008670000-0x00000000086F4000-memory.dmp
    Filesize

    528KB

  • memory/1676-8-0x0000000008570000-0x0000000008582000-memory.dmp
    Filesize

    72KB

  • memory/1676-1-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/1676-7-0x0000000008580000-0x000000000861C000-memory.dmp
    Filesize

    624KB

  • memory/1676-6-0x00000000056B0000-0x00000000056BA000-memory.dmp
    Filesize

    40KB

  • memory/1676-28-0x00000000057D0000-0x00000000057E0000-memory.dmp
    Filesize

    64KB

  • memory/1676-29-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-19-0x00000000051C0000-0x00000000051D0000-memory.dmp
    Filesize

    64KB

  • memory/3224-61-0x0000000071850000-0x000000007189C000-memory.dmp
    Filesize

    304KB

  • memory/3224-26-0x0000000005E30000-0x0000000005E52000-memory.dmp
    Filesize

    136KB

  • memory/3224-15-0x00000000050C0000-0x00000000050F6000-memory.dmp
    Filesize

    216KB

  • memory/3224-16-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-97-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/3224-49-0x00000000060A0000-0x00000000063F4000-memory.dmp
    Filesize

    3.3MB

  • memory/3224-18-0x0000000005800000-0x0000000005E28000-memory.dmp
    Filesize

    6.2MB

  • memory/3224-17-0x00000000051C0000-0x00000000051D0000-memory.dmp
    Filesize

    64KB

  • memory/3224-30-0x0000000005F10000-0x0000000005F76000-memory.dmp
    Filesize

    408KB

  • memory/3224-56-0x00000000051C0000-0x00000000051D0000-memory.dmp
    Filesize

    64KB

  • memory/3224-90-0x0000000007D00000-0x0000000007D1A000-memory.dmp
    Filesize

    104KB

  • memory/3224-59-0x000000007FC30000-0x000000007FC40000-memory.dmp
    Filesize

    64KB

  • memory/3224-85-0x0000000007C40000-0x0000000007CD6000-memory.dmp
    Filesize

    600KB

  • memory/3224-81-0x00000000078C0000-0x0000000007963000-memory.dmp
    Filesize

    652KB

  • memory/4940-55-0x0000000004C60000-0x0000000004C70000-memory.dmp
    Filesize

    64KB

  • memory/4940-88-0x0000000007390000-0x000000000739E000-memory.dmp
    Filesize

    56KB

  • memory/4940-60-0x0000000071850000-0x000000007189C000-memory.dmp
    Filesize

    304KB

  • memory/4940-82-0x00000000077A0000-0x0000000007E1A000-memory.dmp
    Filesize

    6.5MB

  • memory/4940-83-0x0000000007160000-0x000000000717A000-memory.dmp
    Filesize

    104KB

  • memory/4940-84-0x00000000071D0000-0x00000000071DA000-memory.dmp
    Filesize

    40KB

  • memory/4940-58-0x0000000006E10000-0x0000000006E42000-memory.dmp
    Filesize

    200KB

  • memory/4940-86-0x0000000007360000-0x0000000007371000-memory.dmp
    Filesize

    68KB

  • memory/4940-22-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/4940-76-0x0000000006DD0000-0x0000000006DEE000-memory.dmp
    Filesize

    120KB

  • memory/4940-89-0x00000000073A0000-0x00000000073B4000-memory.dmp
    Filesize

    80KB

  • memory/4940-57-0x000000007FA80000-0x000000007FA90000-memory.dmp
    Filesize

    64KB

  • memory/4940-91-0x0000000007480000-0x0000000007488000-memory.dmp
    Filesize

    32KB

  • memory/4940-54-0x0000000005E90000-0x0000000005EDC000-memory.dmp
    Filesize

    304KB

  • memory/4940-53-0x0000000005E60000-0x0000000005E7E000-memory.dmp
    Filesize

    120KB

  • memory/4940-23-0x0000000004C60000-0x0000000004C70000-memory.dmp
    Filesize

    64KB

  • memory/4940-98-0x0000000074C50000-0x0000000075400000-memory.dmp
    Filesize

    7.7MB

  • memory/4940-24-0x0000000004C60000-0x0000000004C70000-memory.dmp
    Filesize

    64KB

  • memory/4940-32-0x0000000005210000-0x0000000005276000-memory.dmp
    Filesize

    408KB