Extracted

Extracted

• • Target
    4363463463464363463463463.exe
  • Size 10KB
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 2a94f3960c58c6e70826495f76d00b85
  • SHA1 e2a1a5641295f5ebf01a37ac1c170ac0814bb71a
  • SHA512 fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f
  • SSDEEP 192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K
  • TLSH
    T1DF22180166D0C2B2C5B303B96C279642C776EA1B3A174F7D748C825BBF6225D43A32B1
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  discoveryb8a12d54f77e31372dac9fd44402f8b26111c337a114961bd75984ccb9a508a3f6d8815bdefense_evasionexecutionaokigaharapersistencepyinstallerrevoked_codesignspywarestealertrojanupx

  • Family: Aokigahara

    Aokigahara is a Windows stealer written in C.

    stealeraokigahara

  • Modifies visibility of hidden/system files in Explorer

    defense_evasion

  • Detected Nirsoft tools

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft NirCmd

    NirCmd is a lightweight Windows command-line tool for automating system tasks

  • Downloads MZ/PE file

  • Manipulates Digital Signatures

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Signed with revoked ConnectWise certificate

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Adds Run key to start application

    persistence

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • Drops file in System32 directory

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2
• • Target
    New Text Document mod.exe
  • Size 8KB
  • SHA256 2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
  • MD5 69994ff2f00eeca9335ccd502198e05b
  • SHA1 b13a15a5bea65b711b835ce8eccd2a699a99cead
  • SHA512 ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3
  • SSDEEP 96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1
  • TLSH
    T13EF10901DBD0C7BAC6B703B50C63A6408A79E3091A679FAF28CD41A7AD5639C02D3772
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionoverlordpersistencepyinstallerratrevoked_codesignspywarestealerthemidatrojanupx

  • Family: Overlord

    Overlord is an open-source Windows RAT written in Golang.

    ratoverlord

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    defense_evasion

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Downloads MZ/PE file

  • Signed with revoked ConnectWise certificate

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign

  • Checks BIOS information in registry

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

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Creates new service(s)

    persistenceexecution

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Registers new Windows logon scripts automatically executed at logon.

    persistence

  • Stops running service(s)

    defense_evasionexecution

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • Maps connected drives based on registry

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral3behavioral4
• • Target
    New Text Document mod.exse
  • Size 8KB
  • SHA256 2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
  • MD5 69994ff2f00eeca9335ccd502198e05b
  • SHA1 b13a15a5bea65b711b835ce8eccd2a699a99cead
  • SHA512 ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3
  • SSDEEP 96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1
  • TLSH
    T13EF10901DBD0C7BAC6B703B50C63A6408A79E3091A679FAF28CD41A7AD5639C02D3772
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  9^/10

  defense_evasiondiscoveryexecutionpersistencespywarestealerthemidatrojanupxrevoked_codesign

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    defense_evasion

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Downloads MZ/PE file

  • Signed with revoked ConnectWise certificate

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign

  • Checks BIOS information in registry

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

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • Maps connected drives based on registry

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral5behavioral6