Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    09-11-2021 02:28

General

  • Target

    35ff5f54ce6916b53bddc3b3d4acb854.exe

  • Size

    3.3MB

  • MD5

    35ff5f54ce6916b53bddc3b3d4acb854

  • SHA1

    f90ecfdef0c315285a43ee6f14717679916453cc

  • SHA256

    878ae0892199581e106ef623d98801cab28341b1b969eaeff6a3704c580dce76

  • SHA512

    a79a316ce197ccab1f9090436195557420f833ecb2bb84e1f15ab60beb0d2bd0c3d9b013b22c38ba3f53d3c430ae0295c842c2ca288cfbda3514d0acfc24fec3

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\35ff5f54ce6916b53bddc3b3d4acb854.exe
    "C:\Users\Admin\AppData\Local\Temp\35ff5f54ce6916b53bddc3b3d4acb854.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2752

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/2752-115-0x00000000771D0000-0x000000007735E000-memory.dmp
    Filesize

    1.6MB

  • memory/2752-119-0x0000000000E10000-0x0000000000E11000-memory.dmp
    Filesize

    4KB

  • memory/2752-121-0x0000000005AE0000-0x0000000005AE1000-memory.dmp
    Filesize

    4KB

  • memory/2752-122-0x00000000065F0000-0x00000000065F1000-memory.dmp
    Filesize

    4KB

  • memory/2752-123-0x0000000005730000-0x0000000005731000-memory.dmp
    Filesize

    4KB

  • memory/2752-124-0x0000000005700000-0x0000000005701000-memory.dmp
    Filesize

    4KB

  • memory/2752-125-0x00000000058E0000-0x00000000058E1000-memory.dmp
    Filesize

    4KB

  • memory/2752-126-0x0000000006450000-0x0000000006451000-memory.dmp
    Filesize

    4KB

  • memory/2752-127-0x00000000032C0000-0x00000000032C1000-memory.dmp
    Filesize

    4KB

  • memory/2752-128-0x0000000006490000-0x0000000006491000-memory.dmp
    Filesize

    4KB

  • memory/2752-129-0x0000000007EC0000-0x0000000007EC1000-memory.dmp
    Filesize

    4KB

  • memory/2752-130-0x00000000081F0000-0x00000000081F1000-memory.dmp
    Filesize

    4KB

  • memory/2752-131-0x00000000082B0000-0x00000000082B1000-memory.dmp
    Filesize

    4KB

  • memory/2752-132-0x00000000085B0000-0x00000000085B1000-memory.dmp
    Filesize

    4KB

  • memory/2752-133-0x00000000087D0000-0x00000000087D1000-memory.dmp
    Filesize

    4KB

  • memory/2752-134-0x0000000008ED0000-0x0000000008ED1000-memory.dmp
    Filesize

    4KB