Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 22:36

General

  • Target

    05cc5b2de4449992125e6e90608f2302.exe

  • Size

    1.3MB

  • MD5

    05cc5b2de4449992125e6e90608f2302

  • SHA1

    ce34a24aba7279962957093f154c6956542d5b8f

  • SHA256

    aa7887ec53dce8c5b5b24952d301e8d9918a440df6d2362b077c8171f5376566

  • SHA512

    ee25be599e8c76b8eafd4192ba9d015f4460dabf1231804c6fbb73e7d3502f8d9882389d7b448ab288d192a2f914758e6704b1c08df8bfc45df3ba2288bdc980

  • SSDEEP

    12288:UwYhZawoQC0Z0uH7h2ZsIfm+yWBGUATczdqOc4ClSTubgdIb+lmh3EXmPLl8/iLq:sCn1ZsjM9A4z4ST9mukk

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05cc5b2de4449992125e6e90608f2302.exe
    "C:\Users\Admin\AppData\Local\Temp\05cc5b2de4449992125e6e90608f2302.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4576
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QzAEyguzUU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp654.tmp"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3092
  • C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\System32\schtasks.exe /Create /TN Updates\QzAEyguzUU /XML C:\Users\Admin\AppData\Local\Temp\tmp654.tmp
    1⤵
    • Creates scheduled task(s)
    PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe

    Filesize

    64KB

    MD5

    2f8e605abb6b4367d096089d71f04123

    SHA1

    806a24b0a5b8ebecdd2b3c6511ecb744ce261121

    SHA256

    bb452f35c054b12ea3ed682be92bf5485f6cf289abb7ed4c707dadf4bd5aa709

    SHA512

    9445e47fffc9f9d605213946c5c8aa63302a2fd80d221273031f40b9fa3aac5808bf2bc6bc3dba7503310e8085281642eff02d18b1639c2d4cd1cc06f8b31a24

  • C:\Users\Admin\AppData\Local\Temp\3582-490\05cc5b2de4449992125e6e90608f2302.exe

    Filesize

    1.1MB

    MD5

    dcdef005c0e3ac17efd5c287a199db29

    SHA1

    8257fb70dd321ff32fa2a90f7dff7852b612d6b9

    SHA256

    e0fcb38eeee86ccb72288d6263c685cf93baba56b15626fb70e1a2096bd82f0b

    SHA512

    3dd631e952be922e5a66967df8b0ef76088a0ca1f9fb71c0ed9085326ee5c08af1c0f3adc0a32f162f388ecdd2e42e212470c13b79aa977a9b0faa9d89a33d41

  • C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp

    Filesize

    8B

    MD5

    ab7de28fcc03ba9183812c4998bfcbbb

    SHA1

    9ef916b532924474db47816d791b4df972dc7276

    SHA256

    3453c70759ad9c95d68c0d1d1d529ba4b2c5cbdf76713bd6b330a3e31fc4ec26

    SHA512

    38d00063a91a53dd06e4f65c2a200240d2ba774d870607e64f2edbb98a935b4fda2eba03c77ea3d74e37ad2ebba9c8df464127ee24a762777b4e860e0f71c69e

  • C:\Windows\svchost.com

    Filesize

    40KB

    MD5

    36fd5e09c417c767a952b4609d73a54b

    SHA1

    299399c5a2403080a5bf67fb46faec210025b36d

    SHA256

    980bac6c9afe8efc9c6fe459a5f77213b0d8524eb00de82437288eb96138b9a2

    SHA512

    1813a6a5b47a9b2cd3958cf4556714ae240f2aa19d0a241b596830f0f2b89a33ec864d00ce6a791d323a58dfbff42a0fded65eefbf980c92685e25c0ec415d92

  • memory/1180-107-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1180-110-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1180-108-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2608-21-0x000000000A530000-0x000000000A546000-memory.dmp

    Filesize

    88KB

  • memory/2608-112-0x0000000005960000-0x0000000005970000-memory.dmp

    Filesize

    64KB

  • memory/2608-133-0x0000000073B10000-0x00000000742C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-20-0x0000000005970000-0x00000000059C6000-memory.dmp

    Filesize

    344KB

  • memory/2608-18-0x0000000005960000-0x0000000005970000-memory.dmp

    Filesize

    64KB

  • memory/2608-14-0x0000000073B10000-0x00000000742C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-111-0x0000000073B10000-0x00000000742C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-19-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/2608-113-0x0000000008320000-0x00000000083CE000-memory.dmp

    Filesize

    696KB

  • memory/2608-114-0x0000000006E40000-0x0000000006EC2000-memory.dmp

    Filesize

    520KB

  • memory/2608-17-0x00000000057A0000-0x0000000005832000-memory.dmp

    Filesize

    584KB

  • memory/2608-16-0x0000000005CB0000-0x0000000006254000-memory.dmp

    Filesize

    5.6MB

  • memory/2608-13-0x0000000000B50000-0x0000000000C98000-memory.dmp

    Filesize

    1.3MB

  • memory/2608-15-0x0000000005660000-0x00000000056FC000-memory.dmp

    Filesize

    624KB

  • memory/3092-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4576-156-0x0000000004EE0000-0x0000000004EEE000-memory.dmp

    Filesize

    56KB

  • memory/4576-152-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-151-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-146-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-145-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-143-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-141-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-140-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-138-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-139-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-137-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-136-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-135-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-154-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-155-0x00000000028D0000-0x00000000028E0000-memory.dmp

    Filesize

    64KB

  • memory/4576-128-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-149-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/4576-132-0x0000000073B10000-0x00000000742C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-131-0x0000000004E20000-0x0000000004E48000-memory.dmp

    Filesize

    160KB

  • memory/4576-160-0x0000000073B10000-0x00000000742C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-161-0x0000000004EF0000-0x0000000004F06000-memory.dmp

    Filesize

    88KB

  • memory/4576-162-0x00000000028D0000-0x00000000028E0000-memory.dmp

    Filesize

    64KB