Analysis

  • max time kernel
    85s
  • max time network
    87s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-09-2021 19:00

General

  • Target

    4417fe6510eaaf8d7abdbbf016667b39ba073638befe7c7e099cb929b6bb36e6.exe

  • Size

    3.0MB

  • MD5

    396c1fee45927fc296c636b9748c754b

  • SHA1

    006697abdfde55b895b412158c312099d5c20e66

  • SHA256

    4417fe6510eaaf8d7abdbbf016667b39ba073638befe7c7e099cb929b6bb36e6

  • SHA512

    122eb5a5d3e3994e1f10b7d16668c9f46380f51aa574e072fa9f68427907341f4809d82d3d5f3de81f3be8e893a3f5c15bcf8c7b2ea3fbcaaf2ef2a74bbb5409

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.

  • 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\4417fe6510eaaf8d7abdbbf016667b39ba073638befe7c7e099cb929b6bb36e6.exe
    "C:\Users\Admin\AppData\Local\Temp\4417fe6510eaaf8d7abdbbf016667b39ba073638befe7c7e099cb929b6bb36e6.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1832

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1832-114-0x0000000077E40000-0x0000000077FCE000-memory.dmp
    Filesize

    1.6MB

  • memory/1832-116-0x00000000001E0000-0x00000000001E1000-memory.dmp
    Filesize

    4KB

  • memory/1832-118-0x0000000005E20000-0x0000000005E21000-memory.dmp
    Filesize

    4KB

  • memory/1832-119-0x00000000056D0000-0x00000000056D1000-memory.dmp
    Filesize

    4KB

  • memory/1832-120-0x0000000005810000-0x0000000005811000-memory.dmp
    Filesize

    4KB

  • memory/1832-121-0x0000000005730000-0x0000000005731000-memory.dmp
    Filesize

    4KB

  • memory/1832-122-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/1832-123-0x0000000005770000-0x0000000005771000-memory.dmp
    Filesize

    4KB

  • memory/1832-124-0x0000000006EB0000-0x0000000006EB1000-memory.dmp
    Filesize

    4KB

  • memory/1832-125-0x00000000075B0000-0x00000000075B1000-memory.dmp
    Filesize

    4KB

  • memory/1832-126-0x0000000007AE0000-0x0000000007AE1000-memory.dmp
    Filesize

    4KB

  • memory/1832-127-0x0000000007080000-0x0000000007081000-memory.dmp
    Filesize

    4KB

  • memory/1832-128-0x00000000071A0000-0x00000000071A1000-memory.dmp
    Filesize

    4KB

  • memory/1832-129-0x0000000006E80000-0x0000000006E81000-memory.dmp
    Filesize

    4KB

  • memory/1832-130-0x00000000072B0000-0x00000000072B1000-memory.dmp
    Filesize

    4KB