Analysis

  • max time kernel
    104s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 16:00

General

  • Target

    redlineStealer1.exe

  • Size

    4.6MB

  • MD5

    40f7448691c80ea2483d44d84b1f7d02

  • SHA1

    7f572aad898afb99ef6082280d5190deb954c886

  • SHA256

    80edb77e7473d68393b70416a3563b9743e25e0a4b85375ac642e2bfdf0380ef

  • SHA512

    4820979e439ff09ba47f1286d09f2c9513bb62fcfb309364b5707b7868ce226661a0f02e36c76cf8ce8308c95d9c46c01c53076fbcd4ecb1c28e5d7490eb5a67

  • SSDEEP

    98304:5Fjrg3ipseLuX6aBLdeQZfKA3c3uiAPnJS2fnEAnzMJq3xo:PUypsDT5KAM3kvJSinpnhx

Malware Config

Extracted

Family

laplas

C2

185.213.208.247

Attributes
  • api_key

    f21073add21558dbf805f2d7f01a9192d88f14e6896a394396e1cd41f3a1c26b

Signatures

  • Laplas Clipper

    Laplas is a crypto wallet stealer with two variants written in Golang and C#.

  • RedLine

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

  • RedLine payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 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
  • Checks installed software on the system 1 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\redlineStealer1.exe
    "C:\Users\Admin\AppData\Local\Temp\redlineStealer1.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\Check.exe
      "C:\Users\Admin\AppData\Local\Temp\Check.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Check.exe

    Filesize

    6.2MB

    MD5

    d85f5e7893c37ff9874833cc6fb5802e

    SHA1

    24dfca8d70e51de77a27a310b42dbe2072479149

    SHA256

    6f569e9d2fd013d0e87fc3a1a6b3da50b64f6983e1a9446b92e43dbf541bf778

    SHA512

    101ec728731c6401a57605e1d87cbe91ca7a539ae21ec2b271a4a17a38f692d2b07563bfb72079081aac4ceb15978ce72de11fcc6a3c0598cef9a4712309e55d

  • C:\Users\Admin\AppData\Local\Temp\Check.exe

    Filesize

    6.2MB

    MD5

    d85f5e7893c37ff9874833cc6fb5802e

    SHA1

    24dfca8d70e51de77a27a310b42dbe2072479149

    SHA256

    6f569e9d2fd013d0e87fc3a1a6b3da50b64f6983e1a9446b92e43dbf541bf778

    SHA512

    101ec728731c6401a57605e1d87cbe91ca7a539ae21ec2b271a4a17a38f692d2b07563bfb72079081aac4ceb15978ce72de11fcc6a3c0598cef9a4712309e55d

  • \Users\Admin\AppData\Local\Temp\Check.exe

    Filesize

    6.2MB

    MD5

    d85f5e7893c37ff9874833cc6fb5802e

    SHA1

    24dfca8d70e51de77a27a310b42dbe2072479149

    SHA256

    6f569e9d2fd013d0e87fc3a1a6b3da50b64f6983e1a9446b92e43dbf541bf778

    SHA512

    101ec728731c6401a57605e1d87cbe91ca7a539ae21ec2b271a4a17a38f692d2b07563bfb72079081aac4ceb15978ce72de11fcc6a3c0598cef9a4712309e55d

  • memory/556-75-0x0000000000AF0000-0x000000000186D000-memory.dmp

    Filesize

    13.5MB

  • memory/556-70-0x0000000000AF0000-0x000000000186D000-memory.dmp

    Filesize

    13.5MB

  • memory/556-66-0x0000000000000000-mapping.dmp

  • memory/1944-58-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-61-0x0000000077E40000-0x0000000077FC0000-memory.dmp

    Filesize

    1.5MB

  • memory/1944-62-0x0000000004F70000-0x0000000004FC4000-memory.dmp

    Filesize

    336KB

  • memory/1944-63-0x0000000004FC0000-0x0000000005012000-memory.dmp

    Filesize

    328KB

  • memory/1944-64-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-60-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-59-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-54-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-68-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-69-0x0000000077E40000-0x0000000077FC0000-memory.dmp

    Filesize

    1.5MB

  • memory/1944-57-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB

  • memory/1944-56-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB

  • memory/1944-55-0x0000000000400000-0x0000000000C83000-memory.dmp

    Filesize

    8.5MB