Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-11-2020 12:13

General

  • Target

    2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd.exe

  • Size

    664KB

  • MD5

    b347b895c17430c07f771ad695abc8a0

  • SHA1

    b024ba272a024bbce783d1001fbba1ace2b395e8

  • SHA256

    2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd

  • SHA512

    e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb

Malware Config

Extracted

Family

azorult

C2

http://209.141.54.122/vin/index.php

Signatures

  • Azorult

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • JavaScript code in executable 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd.exe
    "C:\Users\Admin\AppData\Local\Temp\2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msogu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ohsg.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msogu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ohsg.exe"
        3⤵
        • Adds Run key to start application
        PID:1312
    • C:\Users\Admin\ohsg.exe
      "C:\Users\Admin\ohsg.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
        "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3528

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

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • C:\Users\Admin\ohsg.exe
    MD5

    b347b895c17430c07f771ad695abc8a0

    SHA1

    b024ba272a024bbce783d1001fbba1ace2b395e8

    SHA256

    2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd

    SHA512

    e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb

  • C:\Users\Admin\ohsg.exe
    MD5

    b347b895c17430c07f771ad695abc8a0

    SHA1

    b024ba272a024bbce783d1001fbba1ace2b395e8

    SHA256

    2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd

    SHA512

    e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb

  • \Users\Admin\AppData\Local\Temp\2fda\mozglue.dll
    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • \Users\Admin\AppData\Local\Temp\2fda\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\2fda\nss3.dll
    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dll
    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • memory/1312-8-0x0000000000000000-mapping.dmp
  • memory/1360-7-0x0000000000000000-mapping.dmp
  • memory/3336-0-0x0000000073970000-0x000000007405E000-memory.dmp
    Filesize

    6.9MB

  • memory/3336-6-0x00000000059D0000-0x00000000059D1000-memory.dmp
    Filesize

    4KB

  • memory/3336-5-0x00000000058A0000-0x00000000058A1000-memory.dmp
    Filesize

    4KB

  • memory/3336-4-0x0000000005E30000-0x0000000005E31000-memory.dmp
    Filesize

    4KB

  • memory/3336-3-0x00000000017B0000-0x00000000017D5000-memory.dmp
    Filesize

    148KB

  • memory/3336-1-0x0000000000FC0000-0x0000000000FC1000-memory.dmp
    Filesize

    4KB

  • memory/3528-21-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3528-22-0x000000000041A1F8-mapping.dmp
  • memory/3528-24-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3988-19-0x0000000006050000-0x0000000006066000-memory.dmp
    Filesize

    88KB

  • memory/3988-12-0x0000000073970000-0x000000007405E000-memory.dmp
    Filesize

    6.9MB

  • memory/3988-9-0x0000000000000000-mapping.dmp