Resubmissions

12-08-2021 21:22

210812-n6l9952p1a 10

12-08-2021 20:38

210812-sm95c1t59j 10

Analysis

  • max time kernel
    1446s
  • max time network
    1450s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    12-08-2021 20:38

General

  • Target

    Versiumresearch.exe

  • Size

    163KB

  • MD5

    b1dbc3b027105d8032541bc0c5e71abb

  • SHA1

    1ef1950ecb44e6bd8d0a3849868ec9a0ceaa1130

  • SHA256

    b0eb54f46e5919460cb8d21fdcd695e3356b6311ab0547f18dc3d84a66a14bc4

  • SHA512

    3f7fd0aa71e6fae5eeaf16cc47a1ac43cdd1f643c1e7e439eb068685558929cf3c74552ad70fbf2d6cad94cc11bb8ea9c099ef1401b868947f1a9e5e44b34f7b

Malware Config

Extracted

Family

redline

Botnet

7new

C2

sytareliar.xyz:80

yabelesatg.xyz:80

ceneimarck.xyz:80

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Versiumresearch.exe
    "C:\Users\Admin\AppData\Local\Temp\Versiumresearch.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Roaming\1946797.exe
      "C:\Users\Admin\AppData\Roaming\1946797.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1532 -s 1852
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1292
    • C:\Users\Admin\AppData\Roaming\7495067.exe
      "C:\Users\Admin\AppData\Roaming\7495067.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:1396
    • C:\Users\Admin\AppData\Roaming\8611419.exe
      "C:\Users\Admin\AppData\Roaming\8611419.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:288
    • C:\Users\Admin\AppData\Roaming\1030130.exe
      "C:\Users\Admin\AppData\Roaming\1030130.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 1940
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • C:\Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • C:\Users\Admin\AppData\Roaming\1946797.exe

    MD5

    b6b7f896ec6c87db2a811a44abc0c5b5

    SHA1

    b17eac180c2139947d2f8fdc87ff8a2a615cbcbf

    SHA256

    02ca78fdf706e494a923c01179c6f2bcc2fd59e55d79039ac7a20a51453670c6

    SHA512

    27150b8bced3845b834be55e40cc31882a0d5290a0363fbc8e0f20244dc6e3f022c2cb5dc7e8a18b9b140994d85995e7e6ee4270ed37bfbc9535cb97ee313c63

  • C:\Users\Admin\AppData\Roaming\1946797.exe

    MD5

    b6b7f896ec6c87db2a811a44abc0c5b5

    SHA1

    b17eac180c2139947d2f8fdc87ff8a2a615cbcbf

    SHA256

    02ca78fdf706e494a923c01179c6f2bcc2fd59e55d79039ac7a20a51453670c6

    SHA512

    27150b8bced3845b834be55e40cc31882a0d5290a0363fbc8e0f20244dc6e3f022c2cb5dc7e8a18b9b140994d85995e7e6ee4270ed37bfbc9535cb97ee313c63

  • C:\Users\Admin\AppData\Roaming\7495067.exe

    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\7495067.exe

    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\8611419.exe

    MD5

    7dfa7a1ec7a798b241d0a3521a0c593a

    SHA1

    23fa15493fd3f2e782488d341331aaf914eeba03

    SHA256

    a64f106b863dec9b842e6fd952995a7ad8dd3b272324a1265dfcb513cd986d17

    SHA512

    3817b7a711e354c5111e5354704b3a7fa07cce8801cc46f8c6ca9bf9d893cdfe1d03c7b9faefb135d193bc937a3403de84e2c8ee4a296ca0f397dca73b1acd7b

  • C:\Users\Admin\AppData\Roaming\8611419.exe

    MD5

    7dfa7a1ec7a798b241d0a3521a0c593a

    SHA1

    23fa15493fd3f2e782488d341331aaf914eeba03

    SHA256

    a64f106b863dec9b842e6fd952995a7ad8dd3b272324a1265dfcb513cd986d17

    SHA512

    3817b7a711e354c5111e5354704b3a7fa07cce8801cc46f8c6ca9bf9d893cdfe1d03c7b9faefb135d193bc937a3403de84e2c8ee4a296ca0f397dca73b1acd7b

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • \Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • \Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • \Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • \Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • \Users\Admin\AppData\Roaming\1030130.exe

    MD5

    36acd7e8f309426cb30aeda6c58234a6

    SHA1

    e111555e3324dcb03fda2b03fd4f765dec10ee75

    SHA256

    d17fbe43bc63006f1f11be7948fc385457eb4e830567f5f564cc3d3316ce6a3d

    SHA512

    62449c4e2d9c5faae15164e5751901d2e8e978aa52a7e156e7001b44bb61ed0cc14ee2230458a239ab7a85198826fe704246043ae800ee9c55951b7182b2ea6c

  • \Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    1d095bc417db73c6bc6e4c4e7b43106f

    SHA1

    db7e49df1fb5a0a665976f98ff7128aeba40c5f3

    SHA256

    b529e11f2a855b7e7bca65ac994be9dc81191c7fe1b720addb90b98da33e7fee

    SHA512

    3d255ee420aa7eb0f5f28e060d968bf4369f4be3fc8f07bd32c5482fea055e8103347440d41d17d847c5b2b2d3fb2e3a40356db1a33911c0b25828739a88a097

  • memory/288-88-0x00000000004A0000-0x00000000004D2000-memory.dmp

    Filesize

    200KB

  • memory/288-81-0x0000000000940000-0x0000000000941000-memory.dmp

    Filesize

    4KB

  • memory/288-99-0x0000000004B80000-0x0000000004B81000-memory.dmp

    Filesize

    4KB

  • memory/288-75-0x0000000000000000-mapping.dmp

  • memory/332-78-0x0000000000000000-mapping.dmp

  • memory/332-82-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/332-90-0x00000000046F0000-0x00000000046F1000-memory.dmp

    Filesize

    4KB

  • memory/332-91-0x00000000003D0000-0x00000000003FB000-memory.dmp

    Filesize

    172KB

  • memory/564-110-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/564-104-0x0000000000000000-mapping.dmp

  • memory/764-87-0x00000000001F0000-0x00000000001F7000-memory.dmp

    Filesize

    28KB

  • memory/764-71-0x0000000000000000-mapping.dmp

  • memory/764-83-0x0000000001100000-0x0000000001101000-memory.dmp

    Filesize

    4KB

  • memory/1100-62-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/1100-60-0x0000000000D70000-0x0000000000D71000-memory.dmp

    Filesize

    4KB

  • memory/1100-63-0x00000000003F0000-0x000000000040D000-memory.dmp

    Filesize

    116KB

  • memory/1100-64-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/1100-65-0x000000001AE50000-0x000000001AE52000-memory.dmp

    Filesize

    8KB

  • memory/1292-101-0x0000000000000000-mapping.dmp

  • memory/1292-102-0x000007FEFC4D1000-0x000007FEFC4D3000-memory.dmp

    Filesize

    8KB

  • memory/1292-103-0x0000000001B80000-0x0000000001B81000-memory.dmp

    Filesize

    4KB

  • memory/1396-96-0x00000000011E0000-0x00000000011E1000-memory.dmp

    Filesize

    4KB

  • memory/1396-100-0x0000000004680000-0x0000000004681000-memory.dmp

    Filesize

    4KB

  • memory/1396-93-0x0000000000000000-mapping.dmp

  • memory/1532-69-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/1532-66-0x0000000000000000-mapping.dmp

  • memory/1532-74-0x0000000000170000-0x000000000019B000-memory.dmp

    Filesize

    172KB

  • memory/1532-89-0x000000001AF40000-0x000000001AF42000-memory.dmp

    Filesize

    8KB