Analysis

  • max time kernel
    109s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    18-08-2021 06:51

General

  • Target

    59b1a1f58b7ca014b73a2eebda7eae53.exe

  • Size

    1.2MB

  • MD5

    59b1a1f58b7ca014b73a2eebda7eae53

  • SHA1

    553c47a56200b6d957e0ce1ea126399831012c5d

  • SHA256

    e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9

  • SHA512

    8eb261de8b0396535f2f25d620e504961b79c252769634afe65aa1aff70792a91d183036ace376c8b1030186f270886c853458667f89296b5995887478072db0

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

gordonhk.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 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\59b1a1f58b7ca014b73a2eebda7eae53.exe
    "C:\Users\Admin\AppData\Local\Temp\59b1a1f58b7ca014b73a2eebda7eae53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Nrwclnomc.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
        "C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2256
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Eyyozukgtsxfcpfq.vbs"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2816
          • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
            "C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2544
            • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
              C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:1000
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 1000 & erase C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe & RD /S /Q C:\\ProgramData\\648115750089637\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1156
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 1000
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2084
        • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
          C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
          4⤵
          • Executes dropped EXE
          PID:744
    • C:\Users\Admin\AppData\Local\Temp\59b1a1f58b7ca014b73a2eebda7eae53.exe
      C:\Users\Admin\AppData\Local\Temp\59b1a1f58b7ca014b73a2eebda7eae53.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\59b1a1f58b7ca014b73a2eebda7eae53.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3936
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:3548

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\Bwxgmfnmlwaconsoleapp3.exe
    MD5

    4cb2b6e2c86e81a6b2ddd2aca707e66a

    SHA1

    f13428a8ea50c72c6a24bd552804ab7a11428ec1

    SHA256

    157e30e05a61154cbc5bb5e36dc43b33e500bd552f8a0624d3a02d9f1249665a

    SHA512

    156e0c11011753cf46fd4817888c56294ab001c98fc32613e70104d9fd900be874baa30ac3bf5c09e7140eaf336b06f06e85568c7c6a7de0617f06e270048ce7

  • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
    MD5

    4cb2b6e2c86e81a6b2ddd2aca707e66a

    SHA1

    f13428a8ea50c72c6a24bd552804ab7a11428ec1

    SHA256

    157e30e05a61154cbc5bb5e36dc43b33e500bd552f8a0624d3a02d9f1249665a

    SHA512

    156e0c11011753cf46fd4817888c56294ab001c98fc32613e70104d9fd900be874baa30ac3bf5c09e7140eaf336b06f06e85568c7c6a7de0617f06e270048ce7

  • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
    MD5

    4cb2b6e2c86e81a6b2ddd2aca707e66a

    SHA1

    f13428a8ea50c72c6a24bd552804ab7a11428ec1

    SHA256

    157e30e05a61154cbc5bb5e36dc43b33e500bd552f8a0624d3a02d9f1249665a

    SHA512

    156e0c11011753cf46fd4817888c56294ab001c98fc32613e70104d9fd900be874baa30ac3bf5c09e7140eaf336b06f06e85568c7c6a7de0617f06e270048ce7

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

    078aaa3bf115f219f01322a31f475c54

    SHA1

    e95ad53a3ad196dfb5384824d213f64056fb8155

    SHA256

    db761125f2f3e644b56284126bdb2ebeec230ddaea1540e41e61188e38a845b4

    SHA512

    98b4016beda2682652dfdef3f0b25432c1444b52064949e9ecd20d7533b76f17ebaf514b91e5bd967d20ed8025b0d8a8f6e387331806418cfef00ff3e1fd1734

  • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
    MD5

    efd30cfcab12aa54745c2145a2ee763f

    SHA1

    4bfa0e547c820b576bb57fb109e6d95996e981f3

    SHA256

    1c01c74fd903447e61c5824271ab41ed22f4217ac85f3c9e2a6d0f083897bfc3

    SHA512

    57ffda0b59997a32df775cbc281a594312d4cccf22c6c86404435cace951765aeff8b702ff362078e403f7f1b3ce37b655bb96bfba84d19f06dd250ad05bcb8c

  • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
    MD5

    efd30cfcab12aa54745c2145a2ee763f

    SHA1

    4bfa0e547c820b576bb57fb109e6d95996e981f3

    SHA256

    1c01c74fd903447e61c5824271ab41ed22f4217ac85f3c9e2a6d0f083897bfc3

    SHA512

    57ffda0b59997a32df775cbc281a594312d4cccf22c6c86404435cace951765aeff8b702ff362078e403f7f1b3ce37b655bb96bfba84d19f06dd250ad05bcb8c

  • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
    MD5

    efd30cfcab12aa54745c2145a2ee763f

    SHA1

    4bfa0e547c820b576bb57fb109e6d95996e981f3

    SHA256

    1c01c74fd903447e61c5824271ab41ed22f4217ac85f3c9e2a6d0f083897bfc3

    SHA512

    57ffda0b59997a32df775cbc281a594312d4cccf22c6c86404435cace951765aeff8b702ff362078e403f7f1b3ce37b655bb96bfba84d19f06dd250ad05bcb8c

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

    f7b6cda2dca4391f30cf8df1f0605418

    SHA1

    656a46ae3716bf4e883b1bfb13723b92feb26b84

    SHA256

    97cb704bd02eb625b99a8cac924c826be3435912f220352bf21ccbcb9370e7ed

    SHA512

    6be78872227b0a8c328d177b0f7a7670834c7c803aa7eacc77f1ffa7c824541a895ea255b6b4777f9fd7753a4c975eaf50f4b63a51cf8c9164d56ccd86300725

  • \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/744-159-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/744-161-0x000000000041A684-mapping.dmp
  • memory/744-171-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/856-131-0x000000000043F877-mapping.dmp
  • memory/856-132-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/856-130-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/904-119-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
    Filesize

    4KB

  • memory/904-114-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/904-116-0x00000000054A0000-0x00000000054A1000-memory.dmp
    Filesize

    4KB

  • memory/904-117-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
    Filesize

    4KB

  • memory/904-118-0x0000000004FA0000-0x000000000549E000-memory.dmp
    Filesize

    5.0MB

  • memory/904-121-0x0000000007880000-0x0000000007881000-memory.dmp
    Filesize

    4KB

  • memory/904-120-0x00000000076D0000-0x00000000077F9000-memory.dmp
    Filesize

    1.2MB

  • memory/904-126-0x0000000007ED0000-0x0000000007FD3000-memory.dmp
    Filesize

    1.0MB

  • memory/904-127-0x00000000080E0000-0x00000000080E1000-memory.dmp
    Filesize

    4KB

  • memory/1000-182-0x0000000000417A8B-mapping.dmp
  • memory/1000-184-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/1000-181-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/1156-188-0x0000000000000000-mapping.dmp
  • memory/2084-189-0x0000000000000000-mapping.dmp
  • memory/2228-128-0x0000000000000000-mapping.dmp
  • memory/2256-156-0x00000000074B0000-0x000000000756F000-memory.dmp
    Filesize

    764KB

  • memory/2256-141-0x0000000004D30000-0x0000000004D31000-memory.dmp
    Filesize

    4KB

  • memory/2256-150-0x0000000006F40000-0x0000000006FE4000-memory.dmp
    Filesize

    656KB

  • memory/2256-134-0x0000000000000000-mapping.dmp
  • memory/2256-136-0x0000000000420000-0x0000000000421000-memory.dmp
    Filesize

    4KB

  • memory/2544-172-0x0000000004A40000-0x0000000004F3E000-memory.dmp
    Filesize

    5.0MB

  • memory/2544-173-0x0000000006BD0000-0x0000000006C28000-memory.dmp
    Filesize

    352KB

  • memory/2544-179-0x0000000007110000-0x0000000007182000-memory.dmp
    Filesize

    456KB

  • memory/2544-166-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/2544-164-0x0000000000000000-mapping.dmp
  • memory/2816-158-0x0000000000000000-mapping.dmp
  • memory/3548-149-0x0000000000000000-mapping.dmp
  • memory/3936-148-0x0000000000000000-mapping.dmp