Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2023, 05:11

General

  • Target

    Install.bat

  • Size

    308B

  • MD5

    05ea96804213722f35f7ca76e1e3e350

  • SHA1

    a873c5dc79a671ea5c33bc1a21f853b60a794f3e

  • SHA256

    fa439350a1259088825dd533111de0b43b8d851f68daa3eeb49b0d498834010e

  • SHA512

    08ee3f84b198fe1fbccca17260d6185ba37e87ffc5acf8eda1ecf9e4b670900b51d9917a2ef8ddd30308ea603ddac35789abb4ded8e05ada6a996fb5c14bcec7

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 15 IoCs
  • Drops file in Windows directory 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Install.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\System32\pnputil.exe
      .\pnputil /add-driver "C:\Users\Admin\AppData\Local\Temp\ibtusb.inf" /install
      2⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      PID:4404
    • C:\Windows\system32\pnputil.exe
      C:\Windows/system32/pnputil /add-driver ibtusb.inf /install
      2⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      PID:5012
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{f56256e9-a680-9f43-b841-5493656b6620}\ibtusb.inf" "9" "4873f9b9b" "0000000000000148" "WinSta0\Default" "0000000000000158" "208" "C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:1432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\{F5625~1\ibtusb.cat

    Filesize

    11KB

    MD5

    0db4de032357484ccb341e63508d0550

    SHA1

    43560859a2cd9d42c847da98f7aa8690bfd1ff77

    SHA256

    1adfe363507187084bf4eff10c77c2ee8a5cf6c2761ee4f65762bfef224bb0b0

    SHA512

    3ace2fe93f241f7f6a7700019c45ef23c964b81d300467085ae57710f3c8a37110a42b944680ed67626e77117dfc074ac6d6ee6292c6fdc4050d95781bad7b3b

  • C:\Users\Admin\AppData\Local\Temp\{F5625~1\ibtusb.sys

    Filesize

    6.3MB

    MD5

    b5d96421a2bb00864c5865782ab76566

    SHA1

    572c5a2f03c60d58cd4eb2eafa9af648590a76e5

    SHA256

    15c52142638e99828fe4dc537fca15425c97a33262faf3fbc43d4eee44f45259

    SHA512

    25ae4f539e808c78b62f270eb4cc668ce97635577300f0844950d26249f7808b61ad6a0e9aed7f84a09911582cca14f17b112831f4d20911d670b6ca1e22a839

  • C:\Users\Admin\AppData\Local\Temp\{f56256e9-a680-9f43-b841-5493656b6620}\ibtusb.inf

    Filesize

    35KB

    MD5

    7be782b39efc950f66bfacf722649f63

    SHA1

    eb313722e8fde13b7bdac599213736ae6450676d

    SHA256

    b05b1f42c4fc01079bf1ab334bf281247b65b7c54c568fc9388d3ab7c6a657b0

    SHA512

    e93bde2e05ba9737b5ecaa523b225cd1e8c9052414aea0d95b2acebdbcd8b6f9a1b90812770f2524c0977e16e711f49c72d23f3211aae13fb0d97e795d7c1cba

  • C:\Windows\INF\oem2.inf

    Filesize

    35KB

    MD5

    7be782b39efc950f66bfacf722649f63

    SHA1

    eb313722e8fde13b7bdac599213736ae6450676d

    SHA256

    b05b1f42c4fc01079bf1ab334bf281247b65b7c54c568fc9388d3ab7c6a657b0

    SHA512

    e93bde2e05ba9737b5ecaa523b225cd1e8c9052414aea0d95b2acebdbcd8b6f9a1b90812770f2524c0977e16e711f49c72d23f3211aae13fb0d97e795d7c1cba

  • C:\Windows\System32\DriverStore\FileRepository\ibtusb.inf_amd64_615ca03970ce1e94\ibtusb.inf

    Filesize

    35KB

    MD5

    7be782b39efc950f66bfacf722649f63

    SHA1

    eb313722e8fde13b7bdac599213736ae6450676d

    SHA256

    b05b1f42c4fc01079bf1ab334bf281247b65b7c54c568fc9388d3ab7c6a657b0

    SHA512

    e93bde2e05ba9737b5ecaa523b225cd1e8c9052414aea0d95b2acebdbcd8b6f9a1b90812770f2524c0977e16e711f49c72d23f3211aae13fb0d97e795d7c1cba