Analysis

  • max time kernel
    69s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2023 07:24

General

  • Target

    file.exe

  • Size

    3.5MB

  • MD5

    e4285ed9f73fbe9b801a1b245ce7cdb9

  • SHA1

    3a488206550062f8897d7413f5ac2895859fa882

  • SHA256

    1db21ff2a1259b9aa3a5406db534ed160ba5b6a044b776507581155fb9bdd2e2

  • SHA512

    f20e19bcfe0be242cd5183287ef0913cbd5599d8b4ab8f75e7f8eca6cae3a133ef439d97c7a4314fe60dcc65b6c4ce70eefccce2a139d35992f921f09f385f8f

  • SSDEEP

    98304:AqNHddSy2xT3SJ0vsw4AHCJpV/82TJNK+gT9/69CzF07P7CbM5zD6sILTjblMS0u:rjV/pNK+gMwz+i4osI3jhMSN

Malware Config

Signatures

  • Loads dropped DLL 10 IoCs
  • 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.

  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 1416
      2⤵
      • Program crash
      PID:3408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3300 -ip 3300
    1⤵
      PID:2184

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\freebl3.dll
      Filesize

      326KB

      MD5

      ef2834ac4ee7d6724f255beaf527e635

      SHA1

      5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

      SHA256

      a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

      SHA512

      c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\mozglue.dll
      Filesize

      133KB

      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\nss3.dll
      Filesize

      1.2MB

      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\softokn3.dll
      Filesize

      141KB

      MD5

      a2ee53de9167bf0d6c019303b7ca84e5

      SHA1

      2a3c737fa1157e8483815e98b666408a18c0db42

      SHA256

      43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

      SHA512

      45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

    • C:\Users\Admin\AppData\Local\Temp\LocalSimban5of_Qh6NKZ\softokn3.dll
      Filesize

      141KB

      MD5

      a2ee53de9167bf0d6c019303b7ca84e5

      SHA1

      2a3c737fa1157e8483815e98b666408a18c0db42

      SHA256

      43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

      SHA512

      45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8