Analysis

  • max time kernel
    90s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-08-2021 06:01

General

  • Target

    020824e5aa9ecb744b1b94bd855a8f3a.exe

  • Size

    1.2MB

  • MD5

    020824e5aa9ecb744b1b94bd855a8f3a

  • SHA1

    d6082fcfcfa6e7f1d719c2c02a3e761e46d48004

  • SHA256

    d0b7a458e09fd14ae8476200bd5acf2fc93ea0e2fea357079a88df80e720c23d

  • SHA512

    d30c70279155b33f0c46e11ca4c591f00caf1574a0a02a7875226f0fea0b09327685ab2b6a52fa216d01032c362b2f119bea8aa4cbae0717e687a43eacbe8a33

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

hsagoi.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.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\020824e5aa9ecb744b1b94bd855a8f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\020824e5aa9ecb744b1b94bd855a8f3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Fnpgaloxjuodppdmbufkms.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
        "C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Fyxzojheuxzdxbqlgokhton.vbs"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1272
          • C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
            "C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4068
            • C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
              C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:2524
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 2524 & erase C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe & RD /S /Q C:\\ProgramData\\665228079363623\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2548
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 2524
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3208
        • C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
          C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
          4⤵
          • Executes dropped EXE
          PID:3168
    • C:\Users\Admin\AppData\Local\Temp\020824e5aa9ecb744b1b94bd855a8f3a.exe
      C:\Users\Admin\AppData\Local\Temp\020824e5aa9ecb744b1b94bd855a8f3a.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\020824e5aa9ecb744b1b94bd855a8f3a.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3672
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3116

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\Fnpgaloxjuodppdmbufkms.vbs
    MD5

    ebc62dbe9191ecc89ba49b5f4f19f330

    SHA1

    07eebeea732df224f28287402e5f41d676d58d50

    SHA256

    cf50773404b420b9a2df26ef0a56c6b90d1d7c6538aa222bef920c039d203df3

    SHA512

    e68cd06b6a86f66e8033899c42afaac38ea01d5c11d42ffbc12f2998b665886aad9065ee5bbb313d01a475e8bf5893c95c4e9c46f16233866a990a8d77b4d76c

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

    57d2e626d7a3f6ec32a9cedf0792c5b9

    SHA1

    f460923c6d4e57cbba8716027df4caa6d41f7f1f

    SHA256

    14920ae1c88247e4e2b9910be2cd5c465e0295962b5687057c368711a39f802f

    SHA512

    a2efcb2576f11801779c052fd858260e9110a5120b5cb4d4d3b7f0f1e22f7fb4ad80132f3da70c5ed51c400b3132fee7c63171d6b2ef76503551fa94ca1f4011

  • C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
    MD5

    011ea7874d4283dd836277fa880e228b

    SHA1

    990de8c5104409e38bc9c33d246db07003c96dd0

    SHA256

    dec6b08ad93d22660e040ff56d4a6523428243741af91d0980efd00dc2521951

    SHA512

    06eda2f49680311c9d70015adfc0f05c3fadb92cde9d984a6852b088aafc1f39694e46dd97ecca19e97e42c22590d92b1e9a359d246227459350156d7feb7cfa

  • C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
    MD5

    011ea7874d4283dd836277fa880e228b

    SHA1

    990de8c5104409e38bc9c33d246db07003c96dd0

    SHA256

    dec6b08ad93d22660e040ff56d4a6523428243741af91d0980efd00dc2521951

    SHA512

    06eda2f49680311c9d70015adfc0f05c3fadb92cde9d984a6852b088aafc1f39694e46dd97ecca19e97e42c22590d92b1e9a359d246227459350156d7feb7cfa

  • C:\Users\Admin\AppData\Local\Temp\Leoiinwzyjvulnfehmmmztvbaconsoleapp13.exe
    MD5

    011ea7874d4283dd836277fa880e228b

    SHA1

    990de8c5104409e38bc9c33d246db07003c96dd0

    SHA256

    dec6b08ad93d22660e040ff56d4a6523428243741af91d0980efd00dc2521951

    SHA512

    06eda2f49680311c9d70015adfc0f05c3fadb92cde9d984a6852b088aafc1f39694e46dd97ecca19e97e42c22590d92b1e9a359d246227459350156d7feb7cfa

  • C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
    MD5

    f5e11b62f485aa1e95073c665a147cd2

    SHA1

    d71acedc812f72756b756e23fbc5c756d163ad48

    SHA256

    1b466bd2985862702ab9fb242e0c79e27dd2c4b4c676d9ba44d6bef3e93b1534

    SHA512

    df152055bb196822c638cf0a824907884076ebb65200535362d545a1d5c78e29631c8cef2651c1a944e43ac74b554ec4156efe36acf3465824a96f37e28fed96

  • C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
    MD5

    f5e11b62f485aa1e95073c665a147cd2

    SHA1

    d71acedc812f72756b756e23fbc5c756d163ad48

    SHA256

    1b466bd2985862702ab9fb242e0c79e27dd2c4b4c676d9ba44d6bef3e93b1534

    SHA512

    df152055bb196822c638cf0a824907884076ebb65200535362d545a1d5c78e29631c8cef2651c1a944e43ac74b554ec4156efe36acf3465824a96f37e28fed96

  • C:\Users\Admin\AppData\Local\Temp\Zhmvsxlfcxwvbtywomhtfconsoleapp18.exe
    MD5

    f5e11b62f485aa1e95073c665a147cd2

    SHA1

    d71acedc812f72756b756e23fbc5c756d163ad48

    SHA256

    1b466bd2985862702ab9fb242e0c79e27dd2c4b4c676d9ba44d6bef3e93b1534

    SHA512

    df152055bb196822c638cf0a824907884076ebb65200535362d545a1d5c78e29631c8cef2651c1a944e43ac74b554ec4156efe36acf3465824a96f37e28fed96

  • \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/1272-150-0x0000000000000000-mapping.dmp
  • memory/1468-132-0x0000000000720000-0x0000000000721000-memory.dmp
    Filesize

    4KB

  • memory/1468-137-0x0000000004FA0000-0x0000000005032000-memory.dmp
    Filesize

    584KB

  • memory/1468-129-0x0000000000000000-mapping.dmp
  • memory/1468-149-0x00000000075A0000-0x000000000765F000-memory.dmp
    Filesize

    764KB

  • memory/1468-147-0x00000000071E0000-0x0000000007285000-memory.dmp
    Filesize

    660KB

  • memory/2524-170-0x0000000000417A8B-mapping.dmp
  • memory/2524-172-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/2524-169-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/2548-176-0x0000000000000000-mapping.dmp
  • memory/3116-145-0x0000000000000000-mapping.dmp
  • memory/3168-158-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3168-151-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3168-153-0x000000000041A684-mapping.dmp
  • memory/3172-124-0x0000000000000000-mapping.dmp
  • memory/3208-177-0x0000000000000000-mapping.dmp
  • memory/3560-117-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/3560-122-0x0000000005540000-0x0000000005541000-memory.dmp
    Filesize

    4KB

  • memory/3560-116-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/3560-114-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/3560-118-0x0000000004990000-0x0000000004991000-memory.dmp
    Filesize

    4KB

  • memory/3560-119-0x0000000004900000-0x0000000004992000-memory.dmp
    Filesize

    584KB

  • memory/3560-120-0x00000000070E0000-0x00000000070E1000-memory.dmp
    Filesize

    4KB

  • memory/3560-121-0x0000000007160000-0x0000000007294000-memory.dmp
    Filesize

    1.2MB

  • memory/3560-123-0x0000000007440000-0x0000000007559000-memory.dmp
    Filesize

    1.1MB

  • memory/3672-144-0x0000000000000000-mapping.dmp
  • memory/4016-126-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/4016-127-0x000000000043F877-mapping.dmp
  • memory/4016-131-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/4068-168-0x00000000078D0000-0x0000000007941000-memory.dmp
    Filesize

    452KB

  • memory/4068-166-0x00000000058F0000-0x0000000005948000-memory.dmp
    Filesize

    352KB

  • memory/4068-164-0x0000000005450000-0x000000000594E000-memory.dmp
    Filesize

    5.0MB

  • memory/4068-159-0x0000000000C10000-0x0000000000C11000-memory.dmp
    Filesize

    4KB

  • memory/4068-156-0x0000000000000000-mapping.dmp