Overview

overview

10

Static

static

7

SecuriteIn...21.exe

windows7_x64

10

SecuriteIn...21.exe

windows10_x64

10

Analysis

  • max time kernel
    116s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    11-07-2020 11:45

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General

  • Target

    SecuriteInfo.com.Win32.Packed.Themida.HKO.8521.exe

  • Size

    5.3MB

  • MD5

    b24dc2820886e748d1619d824c898bc2

  • SHA1

    867e772a9e9bd75196f5f94e5802f9ee6e370c5c

  • SHA256

    32c17a6caeed78f79e06de58d5229927f77bc8c6b4865b41289d4da886a07df4

  • SHA512

    32bfaaa84c8cb15b988107d56b0a8645ba394da47e027026219afd8c8f7772b2697dc9e222229f860572deb871fbd22f6dbaeb528dd28f1219fd3a5ee2b674a2

Score
10/10
oskidiscoveryevasioninfostealerspywarestealertrojan

Malware Config

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

    infostealeroski
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Packed.Themida.HKO.8521.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Packed.Themida.HKO.8521.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /pid 3908 & erase C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Packed.Themida.HKO.8521' & RD /S /Q C:\\ProgramData\\911084943550711\\* & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /pid 3908
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    Download Submit
  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    Download Submit
  • \ProgramData\sqlite3.dll
    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

    Download Submit
  • memory/1840-6-0x0000000000000000-mapping.dmp
    Download
  • memory/3476-7-0x0000000000000000-mapping.dmp
    Download