Analysis

  • max time kernel
    130s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-02-2021 19:12

General

  • Target

    0b58d763175919807c4f3190f9594039.exe

  • Size

    655KB

  • MD5

    0b58d763175919807c4f3190f9594039

  • SHA1

    90e3af167d6c4b0609fec2d1a50a51372c6dadf5

  • SHA256

    3b75b3e1b5ff77728b3b9c896968152838a7e55fdb431523af5da120ab6e137b

  • SHA512

    d7dfb3e2c91209aaa6b9b20719178fd7e1aea4c2a8f2b15b849020fc4137f7a4a2dd4d8b759a83f530d9843459034c776713b8af6a9c8589db101c7f89bb0c7a

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b58d763175919807c4f3190f9594039.exe
    "C:\Users\Admin\AppData\Local\Temp\0b58d763175919807c4f3190f9594039.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3248
    • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
      noabu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe

    MD5

    b193f6ad44a0e3a55782e365ad1b0082

    SHA1

    a3187be12fe673b70640096db4a62a52923a5dbb

    SHA256

    1ad35ecffd662312ffa048ae8b85344267ebdd6d5c3be375c99b84c57d3ef117

    SHA512

    59722aafb85543225a17743cefaec55128813569cf898554ce8b9ef818a3eba564248184e656db4d7333a5923e6c5bed56da6eb6626ecc31a9d66dbb0b2a4820

  • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe

    MD5

    b193f6ad44a0e3a55782e365ad1b0082

    SHA1

    a3187be12fe673b70640096db4a62a52923a5dbb

    SHA256

    1ad35ecffd662312ffa048ae8b85344267ebdd6d5c3be375c99b84c57d3ef117

    SHA512

    59722aafb85543225a17743cefaec55128813569cf898554ce8b9ef818a3eba564248184e656db4d7333a5923e6c5bed56da6eb6626ecc31a9d66dbb0b2a4820

  • memory/3068-17-0x0000000002292000-0x0000000002293000-memory.dmp

    Filesize

    4KB

  • memory/3068-8-0x0000000002190000-0x0000000002191000-memory.dmp

    Filesize

    4KB

  • memory/3068-18-0x0000000002293000-0x0000000002294000-memory.dmp

    Filesize

    4KB

  • memory/3068-32-0x0000000007830000-0x0000000007831000-memory.dmp

    Filesize

    4KB

  • memory/3068-19-0x00000000024F0000-0x000000000251C000-memory.dmp

    Filesize

    176KB

  • memory/3068-9-0x0000000002190000-0x0000000002191000-memory.dmp

    Filesize

    4KB

  • memory/3068-10-0x0000000002740000-0x0000000002741000-memory.dmp

    Filesize

    4KB

  • memory/3068-12-0x00000000020B0000-0x00000000020E7000-memory.dmp

    Filesize

    220KB

  • memory/3068-13-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3068-11-0x0000000072960000-0x000000007304E000-memory.dmp

    Filesize

    6.9MB

  • memory/3068-14-0x0000000002260000-0x000000000228E000-memory.dmp

    Filesize

    184KB

  • memory/3068-20-0x0000000002640000-0x0000000002641000-memory.dmp

    Filesize

    4KB

  • memory/3068-31-0x0000000007000000-0x0000000007001000-memory.dmp

    Filesize

    4KB

  • memory/3068-16-0x0000000002290000-0x0000000002291000-memory.dmp

    Filesize

    4KB

  • memory/3068-5-0x0000000000000000-mapping.dmp

  • memory/3068-30-0x0000000006F50000-0x0000000006F51000-memory.dmp

    Filesize

    4KB

  • memory/3068-15-0x0000000004C80000-0x0000000004C81000-memory.dmp

    Filesize

    4KB

  • memory/3068-21-0x00000000026E0000-0x00000000026E1000-memory.dmp

    Filesize

    4KB

  • memory/3068-22-0x00000000051B0000-0x00000000051B1000-memory.dmp

    Filesize

    4KB

  • memory/3068-23-0x0000000005850000-0x0000000005851000-memory.dmp

    Filesize

    4KB

  • memory/3068-24-0x0000000002294000-0x0000000002296000-memory.dmp

    Filesize

    8KB

  • memory/3068-25-0x0000000005870000-0x0000000005871000-memory.dmp

    Filesize

    4KB

  • memory/3068-26-0x0000000005A10000-0x0000000005A11000-memory.dmp

    Filesize

    4KB

  • memory/3068-27-0x0000000005B60000-0x0000000005B61000-memory.dmp

    Filesize

    4KB

  • memory/3068-28-0x0000000006730000-0x0000000006731000-memory.dmp

    Filesize

    4KB

  • memory/3068-29-0x0000000006910000-0x0000000006911000-memory.dmp

    Filesize

    4KB

  • memory/3248-3-0x00000000021E0000-0x00000000022AF000-memory.dmp

    Filesize

    828KB

  • memory/3248-2-0x00000000021E0000-0x00000000021E1000-memory.dmp

    Filesize

    4KB

  • memory/3248-4-0x0000000000400000-0x00000000004D5000-memory.dmp

    Filesize

    852KB