Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 16:43

General

  • Target

    Utility 1.0.5.3.exe

  • Size

    80.3MB

  • MD5

    9df116d463214ad42696da745600ee6e

  • SHA1

    dbbf859398a34306251c3b484362daba4c553f9d

  • SHA256

    42f87dcc7c95180584c1a4bc47741a9c916cffaf3acb66e1afcc77c82bbd7e05

  • SHA512

    58f9458d4c38df4502603e6ec9a32696b0e0d6fdd907a54bf0db2fb8474843c01451ae4886cb3e129ae955220d13e4a6a959a17cc765f2cebe4d810338714827

  • SSDEEP

    1572864:Z8XoJR784k9uzlSh5s2pGkBhKSUaWrlz/EKshAI2Ua59wVtXcTymTFYw9mK:eg84OuAL5KaWd/oAIcwVRIz

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Detected Nirsoft tools 1 IoCs

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Utility 1.0.5.3.exe
    "C:\Users\Admin\AppData\Local\Temp\Utility 1.0.5.3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    e96c5bf8abc1996d3dc20dce03e6e532

    SHA1

    818176c4be21ddc7c8a3f6a9ba3eba881ba65371

    SHA256

    2346c492d7737363bc9ccb6ea23b87e587a9b5426ea7cbe669b7f68fb77bff2e

    SHA512

    a26104bcce4b262aedc077c861e41123bf310beda4b31bf8a96f00ddf54208ce1adc6f95a18bb7dcfd46102bc926e00a2c9bf112582fd55401574f3cad9560ec

  • C:\Users\Admin\AppData\Local\Temp\Cab654A.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar69A1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1744-11-0x000000000A1F0000-0x000000000A286000-memory.dmp

    Filesize

    600KB

  • memory/1744-13-0x0000000000400000-0x0000000005A0C000-memory.dmp

    Filesize

    86.0MB

  • memory/1744-6-0x0000000000400000-0x0000000005A0C000-memory.dmp

    Filesize

    86.0MB

  • memory/1744-7-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB

  • memory/1744-8-0x0000000009D30000-0x0000000009E9A000-memory.dmp

    Filesize

    1.4MB

  • memory/1744-9-0x000000000CF20000-0x000000000D116000-memory.dmp

    Filesize

    2.0MB

  • memory/1744-10-0x0000000009730000-0x00000000097C6000-memory.dmp

    Filesize

    600KB

  • memory/1744-0-0x0000000000400000-0x0000000005A0C000-memory.dmp

    Filesize

    86.0MB

  • memory/1744-12-0x000000000A570000-0x000000000A6B2000-memory.dmp

    Filesize

    1.3MB

  • memory/1744-5-0x0000000000400000-0x0000000005A0C000-memory.dmp

    Filesize

    86.0MB

  • memory/1744-14-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB

  • memory/1744-17-0x0000000019E50000-0x000000001E774000-memory.dmp

    Filesize

    73.1MB

  • memory/1744-18-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB

  • memory/1744-19-0x000000000A340000-0x000000000A341000-memory.dmp

    Filesize

    4KB

  • memory/1744-4-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB

  • memory/1744-2-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB

  • memory/1744-1-0x000000007591E000-0x000000007591F000-memory.dmp

    Filesize

    4KB

  • memory/1744-82-0x0000000075910000-0x0000000075957000-memory.dmp

    Filesize

    284KB