Analysis

  • max time kernel
    84s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-08-2021 18:07

General

  • Target

    2cae1b3be4c37e8f0ca5dac99dbbac17.exe

  • Size

    1.2MB

  • MD5

    2cae1b3be4c37e8f0ca5dac99dbbac17

  • SHA1

    fea201d9f1b3d81c67abead708afee8f619785d7

  • SHA256

    7045ebc8901b28437b116f9ff37d6e16caf2b47e3b7986cc233add8410f1ec9f

  • SHA512

    1caaf89b50be197446e4194205b6d4165c3406fd32f39598ee52195f0c83f085bbe8297bdc518d581618b62d11b38b1602a508d6f5f77f90260fa3ee651e5ec5

Malware Config

Extracted

Family

raccoon

Botnet

c81fb6015c832710f869f6911e1aec18747e0184

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

oski

C2

kullasa.ac.ug

Signatures

  • Azorult

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

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

  • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 9 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 3 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 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2cae1b3be4c37e8f0ca5dac99dbbac17.exe
    "C:\Users\Admin\AppData\Local\Temp\2cae1b3be4c37e8f0ca5dac99dbbac17.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Skcczlqwcscgqo.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
        "C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1748
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Evpctmxstsshc.vbs"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2204
          • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
            "C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3848
            • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
              C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
              6⤵
              • Executes dropped EXE
              PID:1764
            • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
              C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:2544
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 2544 & erase C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe & RD /S /Q C:\\ProgramData\\825473852322448\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1524
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 2544
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2156
        • C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
          C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
          4⤵
          • Executes dropped EXE
          PID:3168
    • C:\Users\Admin\AppData\Local\Temp\2cae1b3be4c37e8f0ca5dac99dbbac17.exe
      C:\Users\Admin\AppData\Local\Temp\2cae1b3be4c37e8f0ca5dac99dbbac17.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2cae1b3be4c37e8f0ca5dac99dbbac17.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1224
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:2408

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
    MD5

    4579cdc9f5e07f4a8b5467cfb943e897

    SHA1

    8771c6ef92bd5982e25513308d9aab289c7c4085

    SHA256

    8b69700ab825eddceb30d7d2bbd519437d51858dc61607213b2e170938060cef

    SHA512

    16ffdb34948fc08f1cb1b984ec4fb005d0302008573acae1d91a1dcd182203467b89b00cf6aff4dded7778a3a0de2d5f5dbe07d9238a244fc970e4c579c5910e

  • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
    MD5

    4579cdc9f5e07f4a8b5467cfb943e897

    SHA1

    8771c6ef92bd5982e25513308d9aab289c7c4085

    SHA256

    8b69700ab825eddceb30d7d2bbd519437d51858dc61607213b2e170938060cef

    SHA512

    16ffdb34948fc08f1cb1b984ec4fb005d0302008573acae1d91a1dcd182203467b89b00cf6aff4dded7778a3a0de2d5f5dbe07d9238a244fc970e4c579c5910e

  • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
    MD5

    4579cdc9f5e07f4a8b5467cfb943e897

    SHA1

    8771c6ef92bd5982e25513308d9aab289c7c4085

    SHA256

    8b69700ab825eddceb30d7d2bbd519437d51858dc61607213b2e170938060cef

    SHA512

    16ffdb34948fc08f1cb1b984ec4fb005d0302008573acae1d91a1dcd182203467b89b00cf6aff4dded7778a3a0de2d5f5dbe07d9238a244fc970e4c579c5910e

  • C:\Users\Admin\AppData\Local\Temp\Ehjayxmtvzhapkaunfnnsaconsoleapp19o.exe
    MD5

    4579cdc9f5e07f4a8b5467cfb943e897

    SHA1

    8771c6ef92bd5982e25513308d9aab289c7c4085

    SHA256

    8b69700ab825eddceb30d7d2bbd519437d51858dc61607213b2e170938060cef

    SHA512

    16ffdb34948fc08f1cb1b984ec4fb005d0302008573acae1d91a1dcd182203467b89b00cf6aff4dded7778a3a0de2d5f5dbe07d9238a244fc970e4c579c5910e

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

    d98f6a92b8ee8c68226b4663f5a7f5ed

    SHA1

    b26a4ce3b4b7bd674b0e8d0983b4e9cc6c6878cb

    SHA256

    413027179fac804119170bcb7db20531cc016a0bb01f9e4cc45a7cb09702da95

    SHA512

    e4dbe70ed17e846a2cbc62d9c78f24fb14494ffbc0170d19aea5bbb45993583db24e51cf9b1801b2346b8cf3d8bc5fdaa5b5a745b6856a8d8f1a4c5513b23c30

  • C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
    MD5

    7e0d88b77d672d1d3dce0173c8f909f0

    SHA1

    f6a71febc67be0a40182fee8ab15e9090577ffe7

    SHA256

    fd8f3f0514dee01db78ff0bbb322a9f12dd8f54945ed8edba93257af201e2481

    SHA512

    6bc95e0571e3034941dd92d8f0f8858d793b8b2ed1c67624fa3c10d662a55d767b6b4b9064ba2636cf78908d562cf1f52d483478e5ed87b26337c4bb9bc5da2e

  • C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
    MD5

    7e0d88b77d672d1d3dce0173c8f909f0

    SHA1

    f6a71febc67be0a40182fee8ab15e9090577ffe7

    SHA256

    fd8f3f0514dee01db78ff0bbb322a9f12dd8f54945ed8edba93257af201e2481

    SHA512

    6bc95e0571e3034941dd92d8f0f8858d793b8b2ed1c67624fa3c10d662a55d767b6b4b9064ba2636cf78908d562cf1f52d483478e5ed87b26337c4bb9bc5da2e

  • C:\Users\Admin\AppData\Local\Temp\Qhbcytidvconsoleapp6aa.exe
    MD5

    7e0d88b77d672d1d3dce0173c8f909f0

    SHA1

    f6a71febc67be0a40182fee8ab15e9090577ffe7

    SHA256

    fd8f3f0514dee01db78ff0bbb322a9f12dd8f54945ed8edba93257af201e2481

    SHA512

    6bc95e0571e3034941dd92d8f0f8858d793b8b2ed1c67624fa3c10d662a55d767b6b4b9064ba2636cf78908d562cf1f52d483478e5ed87b26337c4bb9bc5da2e

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

    9589c33aff4b397486a0ae9acaf903ce

    SHA1

    feae4d4a4e45e81a61f1533e5cacaee96c30fc4a

    SHA256

    97b14d1e03838f9d23aafaf06c5cf98a9b341f029cccf51829c3dff8341d25cf

    SHA512

    20ae6ebd1fc6ce0f345af991bf3a401bfb82adacc86494ffbb8b395fc883ba69d0594ccb7c30b22904d1aa937002a048be1b7b5a21f96130fd348288ba2aecf1

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\sqlite3.dll
    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\freebl3.dll
    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\freebl3.dll
    MD5

    60acd24430204ad2dc7f148b8cfe9bdc

    SHA1

    989f377b9117d7cb21cbe92a4117f88f9c7693d9

    SHA256

    9876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97

    SHA512

    626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01

  • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\mozglue.dll
    MD5

    eae9273f8cdcf9321c6c37c244773139

    SHA1

    8378e2a2f3635574c106eea8419b5eb00b8489b0

    SHA256

    a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc

    SHA512

    06e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097

  • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\nss3.dll
    MD5

    02cc7b8ee30056d5912de54f1bdfc219

    SHA1

    a6923da95705fb81e368ae48f93d28522ef552fb

    SHA256

    1989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5

    SHA512

    0d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5

  • \Users\Admin\AppData\LocalLow\aD1rF3aM8r\softokn3.dll
    MD5

    4e8df049f3459fa94ab6ad387f3561ac

    SHA1

    06ed392bc29ad9d5fc05ee254c2625fd65925114

    SHA256

    25a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871

    SHA512

    3dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6

  • \Users\Admin\AppData\LocalLow\sqlite3.dll
    MD5

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

  • memory/580-119-0x0000000004D00000-0x00000000051FE000-memory.dmp
    Filesize

    5.0MB

  • memory/580-120-0x0000000004D00000-0x00000000051FE000-memory.dmp
    Filesize

    5.0MB

  • memory/580-121-0x0000000006770000-0x0000000006890000-memory.dmp
    Filesize

    1.1MB

  • memory/580-126-0x00000000074E0000-0x00000000075EA000-memory.dmp
    Filesize

    1.0MB

  • memory/580-118-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/580-117-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/580-116-0x0000000005200000-0x0000000005201000-memory.dmp
    Filesize

    4KB

  • memory/580-114-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1224-148-0x0000000000000000-mapping.dmp
  • memory/1524-186-0x0000000000000000-mapping.dmp
  • memory/1748-150-0x0000000006C00000-0x0000000006C96000-memory.dmp
    Filesize

    600KB

  • memory/1748-140-0x00000000050B0000-0x00000000050B1000-memory.dmp
    Filesize

    4KB

  • memory/1748-155-0x0000000007170000-0x000000000721F000-memory.dmp
    Filesize

    700KB

  • memory/1748-141-0x00000000050B3000-0x00000000050B5000-memory.dmp
    Filesize

    8KB

  • memory/1748-132-0x0000000000000000-mapping.dmp
  • memory/1748-134-0x0000000000910000-0x0000000000911000-memory.dmp
    Filesize

    4KB

  • memory/2156-187-0x0000000000000000-mapping.dmp
  • memory/2156-127-0x0000000000000000-mapping.dmp
  • memory/2204-156-0x0000000000000000-mapping.dmp
  • memory/2408-149-0x0000000000000000-mapping.dmp
  • memory/2544-182-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/2544-180-0x0000000000417A8B-mapping.dmp
  • memory/2544-179-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/2912-139-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/2912-130-0x000000000043F877-mapping.dmp
  • memory/2912-129-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/3168-169-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3168-159-0x000000000041A684-mapping.dmp
  • memory/3168-157-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3848-177-0x0000000006A60000-0x0000000006ACB000-memory.dmp
    Filesize

    428KB

  • memory/3848-172-0x0000000004CE0000-0x0000000004D32000-memory.dmp
    Filesize

    328KB

  • memory/3848-171-0x0000000004850000-0x0000000004D4E000-memory.dmp
    Filesize

    5.0MB

  • memory/3848-170-0x0000000004850000-0x0000000004D4E000-memory.dmp
    Filesize

    5.0MB

  • memory/3848-164-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/3848-162-0x0000000000000000-mapping.dmp