Analysis

  • max time kernel
    150s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 10:18

General

  • Target

    RFQ-207480-PR-128311 (2).exe

  • Size

    460KB

  • MD5

    502049e944a8d3bbb0138098597b30e8

  • SHA1

    5242d649abb58f4d797bad53c448bd5028a7fdce

  • SHA256

    2be649f814ee89705f39489d11d8dc2d32e76ba97cec1f0707edc0ec4b4aa060

  • SHA512

    61270a3112f90358050597ddc0c92c70a8d086b42d3e1bcbdabca8751730835f0ccd13ae3536fdcc688fbeedb9d69087acc7bf9d2861a698b68ecce15f164e8d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.t7global-my.com
  • Port:
    587
  • Username:
    manage@t7global-my.com
  • Password:
    KyDCvxSl$2

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Nirsoft 13 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:788
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1392
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:420
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 1464
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:732
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\zQjffrliptxvamq.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:472
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath C:\
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:360
    • C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe"
      2⤵
        PID:1468
      • C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-207480-PR-128311 (2).exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • C:\Users\Admin\AppData\Local\Temp\zQjffrliptxvamq.vbs
      MD5

      570e1760047887d4773c02a7f0c0a9ef

      SHA1

      ea36b58136c15c0c38ca496e5fd55e9de62073dc

      SHA256

      c14774447472f5eec655d2046e6e4930b3bed4877de328d4f8a58416b7144db2

      SHA512

      aeb14674534d2a4cc6d58fe733a4a6085d031f1a45ddad9e3e8fa312879b6cd8a1dff962529639b8ebea98d1ca8a9d42c0893d267696a70c7e9db696980b9ef3

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • \Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      MD5

      17fc12902f4769af3a9271eb4e2dacce

      SHA1

      9a4a1581cc3971579574f837e110f3bd6d529dab

      SHA256

      29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

      SHA512

      036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

    • memory/360-100-0x0000000004800000-0x0000000004801000-memory.dmp
      Filesize

      4KB

    • memory/360-109-0x00000000056F0000-0x00000000056F1000-memory.dmp
      Filesize

      4KB

    • memory/360-134-0x0000000006310000-0x0000000006311000-memory.dmp
      Filesize

      4KB

    • memory/360-133-0x0000000006300000-0x0000000006301000-memory.dmp
      Filesize

      4KB

    • memory/360-119-0x0000000005610000-0x0000000005611000-memory.dmp
      Filesize

      4KB

    • memory/360-118-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/360-117-0x0000000006280000-0x0000000006281000-memory.dmp
      Filesize

      4KB

    • memory/360-110-0x0000000006100000-0x0000000006101000-memory.dmp
      Filesize

      4KB

    • memory/360-104-0x0000000005690000-0x0000000005691000-memory.dmp
      Filesize

      4KB

    • memory/360-101-0x0000000005240000-0x0000000005241000-memory.dmp
      Filesize

      4KB

    • memory/360-99-0x0000000004872000-0x0000000004873000-memory.dmp
      Filesize

      4KB

    • memory/360-98-0x0000000004870000-0x0000000004871000-memory.dmp
      Filesize

      4KB

    • memory/360-96-0x00000000048B0000-0x00000000048B1000-memory.dmp
      Filesize

      4KB

    • memory/360-93-0x0000000000000000-mapping.dmp
    • memory/360-95-0x00000000023A0000-0x00000000023A1000-memory.dmp
      Filesize

      4KB

    • memory/420-73-0x0000000000000000-mapping.dmp
    • memory/472-86-0x0000000000000000-mapping.dmp
    • memory/732-83-0x0000000000000000-mapping.dmp
    • memory/788-63-0x00000000004C0000-0x00000000004FB000-memory.dmp
      Filesize

      236KB

    • memory/788-62-0x0000000000380000-0x0000000000382000-memory.dmp
      Filesize

      8KB

    • memory/788-60-0x0000000000D20000-0x0000000000D21000-memory.dmp
      Filesize

      4KB

    • memory/788-64-0x0000000000530000-0x0000000000531000-memory.dmp
      Filesize

      4KB

    • memory/1392-69-0x0000000075551000-0x0000000075553000-memory.dmp
      Filesize

      8KB

    • memory/1392-67-0x0000000000000000-mapping.dmp
    • memory/1464-78-0x0000000000000000-mapping.dmp
    • memory/2036-89-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2036-91-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2036-90-0x000000000043761E-mapping.dmp
    • memory/2036-97-0x00000000046A0000-0x00000000046A1000-memory.dmp
      Filesize

      4KB