Analysis

  • max time kernel
    95s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-08-2021 13:56

General

  • Target

    e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.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.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 12 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 system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.exe
    "C:\Users\Admin\AppData\Local\Temp\e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Nrwclnomc.vbs"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
        "C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Eyyozukgtsxfcpfq.vbs"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
            "C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2036
            • C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
              C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe
              6⤵
              • Executes dropped EXE
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:436
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 436 & erase C:\Users\Admin\AppData\Local\Temp\Gqgistxtagnubptvmqtbtconsoleapp9.exe & RD /S /Q C:\\ProgramData\\246402272070161\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1008
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 436
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1664
        • C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
          C:\Users\Admin\AppData\Local\Temp\Bwxgmfnmlwaconsoleapp3.exe
          4⤵
          • Executes dropped EXE
          PID:1052
    • C:\Users\Admin\AppData\Local\Temp\e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.exe
      C:\Users\Admin\AppData\Local\Temp\e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.exe
      2⤵
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\e8e31ad00eb7d6e4124e0d9dcd2a2e4ca20afa68007c0e655ae8cc5ca4bfdad9.exe"
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:776
        • C:\Windows\SysWOW64\timeout.exe
          timeout /T 10 /NOBREAK
          4⤵
          • Delays execution with timeout.exe
          PID:632

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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

  • \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\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \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\aD1rF3aM8r\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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

    f964811b68f9f1487c2b41e1aef576ce

    SHA1

    b423959793f14b1416bc3b7051bed58a1034025f

    SHA256

    83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

    SHA512

    565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

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

    4cb2b6e2c86e81a6b2ddd2aca707e66a

    SHA1

    f13428a8ea50c72c6a24bd552804ab7a11428ec1

    SHA256

    157e30e05a61154cbc5bb5e36dc43b33e500bd552f8a0624d3a02d9f1249665a

    SHA512

    156e0c11011753cf46fd4817888c56294ab001c98fc32613e70104d9fd900be874baa30ac3bf5c09e7140eaf336b06f06e85568c7c6a7de0617f06e270048ce7

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

    4cb2b6e2c86e81a6b2ddd2aca707e66a

    SHA1

    f13428a8ea50c72c6a24bd552804ab7a11428ec1

    SHA256

    157e30e05a61154cbc5bb5e36dc43b33e500bd552f8a0624d3a02d9f1249665a

    SHA512

    156e0c11011753cf46fd4817888c56294ab001c98fc32613e70104d9fd900be874baa30ac3bf5c09e7140eaf336b06f06e85568c7c6a7de0617f06e270048ce7

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

    efd30cfcab12aa54745c2145a2ee763f

    SHA1

    4bfa0e547c820b576bb57fb109e6d95996e981f3

    SHA256

    1c01c74fd903447e61c5824271ab41ed22f4217ac85f3c9e2a6d0f083897bfc3

    SHA512

    57ffda0b59997a32df775cbc281a594312d4cccf22c6c86404435cace951765aeff8b702ff362078e403f7f1b3ce37b655bb96bfba84d19f06dd250ad05bcb8c

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

    efd30cfcab12aa54745c2145a2ee763f

    SHA1

    4bfa0e547c820b576bb57fb109e6d95996e981f3

    SHA256

    1c01c74fd903447e61c5824271ab41ed22f4217ac85f3c9e2a6d0f083897bfc3

    SHA512

    57ffda0b59997a32df775cbc281a594312d4cccf22c6c86404435cace951765aeff8b702ff362078e403f7f1b3ce37b655bb96bfba84d19f06dd250ad05bcb8c

  • memory/436-122-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/436-123-0x0000000000417A8B-mapping.dmp
  • memory/436-126-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/464-72-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/464-81-0x0000000000400000-0x0000000000492000-memory.dmp
    Filesize

    584KB

  • memory/464-73-0x000000000043F877-mapping.dmp
  • memory/576-91-0x0000000004FB0000-0x0000000005054000-memory.dmp
    Filesize

    656KB

  • memory/576-96-0x0000000006500000-0x00000000065BF000-memory.dmp
    Filesize

    764KB

  • memory/576-82-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
    Filesize

    4KB

  • memory/576-79-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
    Filesize

    4KB

  • memory/576-77-0x0000000000000000-mapping.dmp
  • memory/632-114-0x0000000000000000-mapping.dmp
  • memory/776-113-0x0000000000000000-mapping.dmp
  • memory/1008-127-0x0000000000000000-mapping.dmp
  • memory/1008-69-0x0000000000000000-mapping.dmp
  • memory/1008-71-0x0000000075631000-0x0000000075633000-memory.dmp
    Filesize

    8KB

  • memory/1052-111-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1052-100-0x000000000041A684-mapping.dmp
  • memory/1052-99-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1196-97-0x0000000000000000-mapping.dmp
  • memory/1664-128-0x0000000000000000-mapping.dmp
  • memory/1816-63-0x0000000007C60000-0x0000000007D89000-memory.dmp
    Filesize

    1.2MB

  • memory/1816-60-0x0000000000D00000-0x0000000000D01000-memory.dmp
    Filesize

    4KB

  • memory/1816-68-0x0000000008370000-0x0000000008473000-memory.dmp
    Filesize

    1.0MB

  • memory/1816-62-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/2036-120-0x00000000057F0000-0x0000000005862000-memory.dmp
    Filesize

    456KB

  • memory/2036-115-0x0000000000B80000-0x0000000000BD8000-memory.dmp
    Filesize

    352KB

  • memory/2036-107-0x0000000000000000-mapping.dmp
  • memory/2036-109-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
    Filesize

    4KB

  • memory/2036-112-0x0000000004850000-0x0000000004851000-memory.dmp
    Filesize

    4KB