Analysis

  • max time kernel
    73s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 23:11

General

  • Target

    97f8f7a08a23c4119347e1ac94b3fdaf.exe

  • Size

    2.6MB

  • MD5

    97f8f7a08a23c4119347e1ac94b3fdaf

  • SHA1

    5268ac027ae7436f0f4f342f6f1a39f3f02db118

  • SHA256

    6e98fc5ea72ba14a5606fa481a46ced465d64c915f122bed42f7fad7cd9056f6

  • SHA512

    e4c9422b1a22fdac9ede3eafb0523556cd2252ae65aff63ac82d221e56c9a20b91b04be4a95134474058993c8ea4853805edb001f9b38aea72221da6ee0aab8d

Malware Config

Signatures

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97f8f7a08a23c4119347e1ac94b3fdaf.exe
    "C:\Users\Admin\AppData\Local\Temp\97f8f7a08a23c4119347e1ac94b3fdaf.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1836-117-0x0000000077660000-0x00000000777EE000-memory.dmp
    Filesize

    1.6MB

  • memory/1836-118-0x0000000000F20000-0x0000000000F21000-memory.dmp
    Filesize

    4KB

  • memory/1836-120-0x0000000005AE0000-0x0000000005AE1000-memory.dmp
    Filesize

    4KB

  • memory/1836-121-0x00000000053F0000-0x00000000053F1000-memory.dmp
    Filesize

    4KB

  • memory/1836-122-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/1836-123-0x00000000054C0000-0x00000000054C1000-memory.dmp
    Filesize

    4KB

  • memory/1836-124-0x0000000005450000-0x0000000005451000-memory.dmp
    Filesize

    4KB

  • memory/1836-125-0x00000000054D0000-0x00000000054D1000-memory.dmp
    Filesize

    4KB

  • memory/1836-126-0x0000000006880000-0x0000000006881000-memory.dmp
    Filesize

    4KB

  • memory/1836-127-0x0000000006720000-0x0000000006721000-memory.dmp
    Filesize

    4KB

  • memory/1836-128-0x0000000006B50000-0x0000000006B51000-memory.dmp
    Filesize

    4KB

  • memory/1836-129-0x0000000006BD0000-0x0000000006BD1000-memory.dmp
    Filesize

    4KB

  • memory/1836-130-0x0000000007170000-0x0000000007171000-memory.dmp
    Filesize

    4KB

  • memory/1836-131-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
    Filesize

    4KB

  • memory/1836-132-0x0000000007110000-0x0000000007111000-memory.dmp
    Filesize

    4KB

  • memory/1836-133-0x0000000008D20000-0x0000000008D21000-memory.dmp
    Filesize

    4KB