Analysis

  • max time kernel
    19s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-02-2021 07:57

General

  • Target

    b38081db438dc4757be31b71506d8401.exe

  • Size

    1.5MB

  • MD5

    b38081db438dc4757be31b71506d8401

  • SHA1

    85f4ec272f54e58007aed382973291aef789ba92

  • SHA256

    82bd69c7b58c486211c511d719f44cf734ddc90d062431ef366d77f32557b5e6

  • SHA512

    dd6a820ecfe1893b3cd74fa7b71d90faaaecfba0d3545f91821867eff11d9926ab7140534d6a5d6342e87d6a57f7bae38cca2cbf48ab266ac87ae87cd1a0ab66

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe
    "C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe
      "C:\Users\Admin\AppData\Local\Temp\b38081db438dc4757be31b71506d8401.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3300

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b38081db438dc4757be31b71506d8401.exe.log

    MD5

    8b0dd41c781f2103af068edf33534a51

    SHA1

    098e1e3466102faa5596f3f43994f8e39458534e

    SHA256

    8c4fe19e7e0ae1d0b74f396d2053fcf1071974c850d3e6c7e921d811546ae81d

    SHA512

    11a8bc39ce4da61c855dcf95aef3da6cec591d8c3f013a14c5451ad582126383aa1c75517510bd0b93bace023b2238fee09739752c35ec7db1a14d77fb6eb58d

  • memory/1036-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1036-3-0x0000000000040000-0x0000000000041000-memory.dmp

    Filesize

    4KB

  • memory/1036-5-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

    Filesize

    4KB

  • memory/1036-6-0x0000000004A60000-0x0000000004A61000-memory.dmp

    Filesize

    4KB

  • memory/1036-7-0x0000000004B00000-0x0000000004B01000-memory.dmp

    Filesize

    4KB

  • memory/1036-9-0x0000000004D90000-0x0000000004D91000-memory.dmp

    Filesize

    4KB

  • memory/1036-10-0x0000000004EA0000-0x0000000004EBE000-memory.dmp

    Filesize

    120KB

  • memory/1036-11-0x0000000008250000-0x0000000008251000-memory.dmp

    Filesize

    4KB

  • memory/1036-12-0x0000000004D91000-0x0000000004D92000-memory.dmp

    Filesize

    4KB

  • memory/1036-13-0x0000000008E70000-0x0000000008E7B000-memory.dmp

    Filesize

    44KB

  • memory/1036-14-0x000000000C3D0000-0x000000000C3D1000-memory.dmp

    Filesize

    4KB

  • memory/3300-16-0x0000000000423E1A-mapping.dmp

  • memory/3300-25-0x00000000055C0000-0x00000000055C1000-memory.dmp

    Filesize

    4KB

  • memory/3300-18-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3300-21-0x0000000005410000-0x0000000005411000-memory.dmp

    Filesize

    4KB

  • memory/3300-22-0x0000000002E80000-0x0000000002E81000-memory.dmp

    Filesize

    4KB

  • memory/3300-23-0x0000000005C50000-0x0000000005C51000-memory.dmp

    Filesize

    4KB

  • memory/3300-24-0x0000000005560000-0x0000000005561000-memory.dmp

    Filesize

    4KB

  • memory/3300-15-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3300-26-0x0000000005630000-0x0000000005631000-memory.dmp

    Filesize

    4KB

  • memory/3300-27-0x0000000005640000-0x0000000005641000-memory.dmp

    Filesize

    4KB

  • memory/3300-28-0x0000000005870000-0x0000000005871000-memory.dmp

    Filesize

    4KB

  • memory/3300-29-0x0000000006B00000-0x0000000006B01000-memory.dmp

    Filesize

    4KB

  • memory/3300-30-0x0000000007200000-0x0000000007201000-memory.dmp

    Filesize

    4KB

  • memory/3300-33-0x0000000006D70000-0x0000000006D71000-memory.dmp

    Filesize

    4KB