Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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 03:08

General

  • Target

    PO#241001759.exe

  • Size

    729KB

  • MD5

    41d2427d475c087b6742c8d3881b3847

  • SHA1

    36d9144f3b2cb8b8f72d7e20c0f7b20cf97fb7a6

  • SHA256

    f17b902f094220be7501fbf02ca5e258de6458939b097f60705f8872fc3c73b7

  • SHA512

    93716040d79093780f93a9a4448048c2c1d1819b99030c3d27003087b8cb7dbc3183d1afab88437f9108ca70ce6eb7d585847ab0580325dc647b155daeadf5c0

  • SSDEEP

    12288:INeOQx3TdpCmdIdL2/2gHecoI/v0b24w135wltCE5UrMkpOTOudkdRsoBiQ:kixjdpfId65Jn/r4m5wfCMop6OeoR/EQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kabeercommodities.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    w{A6H.o&sz%g

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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4840
    • 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\PO#241001759.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GlIToApjgGEL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GlIToApjgGEL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1748
    • C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe
      "C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe"
      2⤵
        PID:4764
      • C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe
        "C:\Users\Admin\AppData\Local\Temp\PO#241001759.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3432

    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\PO#241001759.exe.log
      Filesize

      1KB

      MD5

      7cad59aef5a93f093b6ba494f13f796f

      SHA1

      3cef97b77939bfc06dfd3946fc1a8cd159f67100

      SHA256

      1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

      SHA512

      8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

    • 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

      77a0a33236770fcdfbde057438265c83

      SHA1

      d37980f1575db5ff2b27eb42cb45f3f9d9f93a1a

      SHA256

      fd83c6abcf695119e9754a3844d3296bf4d2364f9185b9c331531314eff12e60

      SHA512

      3c84ed2d2f0e79780ff727f2c4ecdd4ba4dc63cf882392eb8e6da590b900f5b0fec717a10df450298c229260bd64d77f89872f0e7a0de909b1f8cdac93a1cbe9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jglwksbr.5vx.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8B0A.tmp
      Filesize

      1KB

      MD5

      ce1b198f7a4b93b151970dc0d57e93c9

      SHA1

      2626ddcc897d628b887ebd1798e307452fdb0638

      SHA256

      7d35617519eb0fb72209a19beca0ca45f2d42213fcafa451576dabc74133ef6e

      SHA512

      145b455e6aaac83584528e12bf1343b308a372a4a1f9c3f61a7dd4eeecdecf1894873e01299673f3a774d2a3e10ffb7ddb47a79b8eb0e1b6b19e8372c63a8ee7

    • memory/3372-80-0x0000000007480000-0x000000000748A000-memory.dmp
      Filesize

      40KB

    • memory/3372-20-0x00000000027A0000-0x00000000027B0000-memory.dmp
      Filesize

      64KB

    • memory/3372-86-0x0000000007730000-0x0000000007738000-memory.dmp
      Filesize

      32KB

    • memory/3372-84-0x0000000007650000-0x0000000007664000-memory.dmp
      Filesize

      80KB

    • memory/3372-83-0x0000000007640000-0x000000000764E000-memory.dmp
      Filesize

      56KB

    • memory/3372-23-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3372-68-0x00000000027A0000-0x00000000027B0000-memory.dmp
      Filesize

      64KB

    • memory/3372-67-0x0000000070AE0000-0x0000000070B2C000-memory.dmp
      Filesize

      304KB

    • memory/3372-25-0x0000000005AC0000-0x0000000005B26000-memory.dmp
      Filesize

      408KB

    • memory/3372-93-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3372-19-0x00000000027A0000-0x00000000027B0000-memory.dmp
      Filesize

      64KB

    • memory/3432-48-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3432-94-0x0000000006A80000-0x0000000006AD0000-memory.dmp
      Filesize

      320KB

    • memory/3432-95-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3432-96-0x00000000052E0000-0x00000000052F0000-memory.dmp
      Filesize

      64KB

    • memory/3432-49-0x00000000052E0000-0x00000000052F0000-memory.dmp
      Filesize

      64KB

    • memory/3432-44-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/3564-17-0x0000000005850000-0x0000000005E78000-memory.dmp
      Filesize

      6.2MB

    • memory/3564-78-0x0000000007E90000-0x000000000850A000-memory.dmp
      Filesize

      6.5MB

    • memory/3564-21-0x0000000005460000-0x0000000005482000-memory.dmp
      Filesize

      136KB

    • memory/3564-92-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3564-18-0x0000000002E20000-0x0000000002E30000-memory.dmp
      Filesize

      64KB

    • memory/3564-85-0x0000000007B90000-0x0000000007BAA000-memory.dmp
      Filesize

      104KB

    • memory/3564-50-0x0000000006510000-0x000000000652E000-memory.dmp
      Filesize

      120KB

    • memory/3564-51-0x00000000065D0000-0x000000000661C000-memory.dmp
      Filesize

      304KB

    • memory/3564-54-0x0000000070AE0000-0x0000000070B2C000-memory.dmp
      Filesize

      304KB

    • memory/3564-64-0x0000000007480000-0x000000000749E000-memory.dmp
      Filesize

      120KB

    • memory/3564-65-0x0000000002E20000-0x0000000002E30000-memory.dmp
      Filesize

      64KB

    • memory/3564-66-0x00000000076F0000-0x0000000007793000-memory.dmp
      Filesize

      652KB

    • memory/3564-16-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/3564-15-0x0000000002BE0000-0x0000000002C16000-memory.dmp
      Filesize

      216KB

    • memory/3564-53-0x00000000074A0000-0x00000000074D2000-memory.dmp
      Filesize

      200KB

    • memory/3564-24-0x0000000005E80000-0x0000000005EE6000-memory.dmp
      Filesize

      408KB

    • memory/3564-79-0x0000000007850000-0x000000000786A000-memory.dmp
      Filesize

      104KB

    • memory/3564-82-0x0000000007A50000-0x0000000007A61000-memory.dmp
      Filesize

      68KB

    • memory/3564-52-0x000000007F7F0000-0x000000007F800000-memory.dmp
      Filesize

      64KB

    • memory/3564-81-0x0000000007AD0000-0x0000000007B66000-memory.dmp
      Filesize

      600KB

    • memory/4840-10-0x00000000086A0000-0x0000000008722000-memory.dmp
      Filesize

      520KB

    • memory/4840-9-0x0000000006270000-0x000000000627C000-memory.dmp
      Filesize

      48KB

    • memory/4840-8-0x0000000005BB0000-0x0000000005BC2000-memory.dmp
      Filesize

      72KB

    • memory/4840-0-0x0000000000A40000-0x0000000000AFC000-memory.dmp
      Filesize

      752KB

    • memory/4840-7-0x0000000008600000-0x000000000869C000-memory.dmp
      Filesize

      624KB

    • memory/4840-6-0x00000000055E0000-0x00000000055EA000-memory.dmp
      Filesize

      40KB

    • memory/4840-5-0x00000000056F0000-0x0000000005700000-memory.dmp
      Filesize

      64KB

    • memory/4840-47-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB

    • memory/4840-4-0x0000000005700000-0x0000000005A54000-memory.dmp
      Filesize

      3.3MB

    • memory/4840-3-0x0000000005500000-0x0000000005592000-memory.dmp
      Filesize

      584KB

    • memory/4840-2-0x0000000005BC0000-0x0000000006164000-memory.dmp
      Filesize

      5.6MB

    • memory/4840-1-0x00000000747A0000-0x0000000074F50000-memory.dmp
      Filesize

      7.7MB