Analysis

  • max time kernel
    160s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15-02-2022 14:08

General

  • Target

    3ced46696cad85f4403546f5d7f9914acaa09146f664dd674daca034fea7f18f.exe

  • Size

    2.7MB

  • MD5

    c16aea130225c0a7e36c301404efabc1

  • SHA1

    968d270c41f163a791ad27770fd87d8d16571620

  • SHA256

    3ced46696cad85f4403546f5d7f9914acaa09146f664dd674daca034fea7f18f

  • SHA512

    ea6a3115b3d2f583985eddcc25edfc5b31ebe0d8aaea8db9b32860d70828585839ee955dc909ae6524f888d93c10cf682b0d34775a712b5300eaa262e8a3d252

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 54 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ced46696cad85f4403546f5d7f9914acaa09146f664dd674daca034fea7f18f.exe
    "C:\Users\Admin\AppData\Local\Temp\3ced46696cad85f4403546f5d7f9914acaa09146f664dd674daca034fea7f18f.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:404
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1820
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3368
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/404-131-0x0000000076DD0000-0x0000000076DD1000-memory.dmp
    Filesize

    4KB

  • memory/404-130-0x0000000076DD0000-0x0000000076DD1000-memory.dmp
    Filesize

    4KB

  • memory/404-132-0x0000000076DD0000-0x0000000076DD1000-memory.dmp
    Filesize

    4KB

  • memory/404-133-0x0000000077164000-0x0000000077166000-memory.dmp
    Filesize

    8KB

  • memory/404-137-0x00000000746FE000-0x00000000746FF000-memory.dmp
    Filesize

    4KB

  • memory/404-138-0x0000000000AB0000-0x00000000011D8000-memory.dmp
    Filesize

    7.2MB

  • memory/404-139-0x0000000005B50000-0x0000000006168000-memory.dmp
    Filesize

    6.1MB

  • memory/404-140-0x0000000005500000-0x0000000005512000-memory.dmp
    Filesize

    72KB

  • memory/404-141-0x0000000005640000-0x000000000574A000-memory.dmp
    Filesize

    1.0MB

  • memory/404-142-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/404-143-0x0000000005570000-0x00000000055AC000-memory.dmp
    Filesize

    240KB