Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 09:49

General

  • Target

    8034fffb03faec5aa94d3c16cdb98dfbcce06e8f8f7a278f7c30cff0398ea03c.exe

  • Size

    2.8MB

  • MD5

    1b571c3e29d65ece64e292985cbb020c

  • SHA1

    09ef64cdef28ea000ed410615a779d6b17039a01

  • SHA256

    8034fffb03faec5aa94d3c16cdb98dfbcce06e8f8f7a278f7c30cff0398ea03c

  • SHA512

    9c6330aa486796104ee0d8e0e71130b8e1a91dd16e347218e6a72d8a6b5ee7b99b1099f1fb2c02310f75b2032ac43781902d1e2a831d59273556829c85d613f4

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • 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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8034fffb03faec5aa94d3c16cdb98dfbcce06e8f8f7a278f7c30cff0398ea03c.exe
    "C:\Users\Admin\AppData\Local\Temp\8034fffb03faec5aa94d3c16cdb98dfbcce06e8f8f7a278f7c30cff0398ea03c.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Drops desktop.ini file(s)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:508

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/508-3-0x0000000005400000-0x0000000005401000-memory.dmp
    Filesize

    4KB

  • memory/508-2-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/508-5-0x0000000000C42000-0x0000000000C9A000-memory.dmp
    Filesize

    352KB

  • memory/508-4-0x0000000077D64000-0x0000000077D65000-memory.dmp
    Filesize

    4KB

  • memory/508-6-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB