Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 00:25

General

  • Target

    8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe

  • Size

    115KB

  • MD5

    5dd531f9477064411cf7c72617045f7d

  • SHA1

    52e3cc9c8b603bcfed5db6ebab09dd775f07c6aa

  • SHA256

    8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e

  • SHA512

    d596d06708410189ce2c862581604fe50acd85d767b3b9d1ad2b5bdeef939b5b5e301f7abc1e154db4474a04bc78ee20c609645ebaf0a3f5dd8b9fc0f1f80b15

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMmG:P5eznsjsguGDFqGZ2rB

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe
    "C:\Users\Admin\AppData\Local\Temp\8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

    Filesize

    1KB

    MD5

    732cfeb76b91c4d13978a00b8c666ed7

    SHA1

    0c57f76436701f4d51397d1d4e86337dd9ab1964

    SHA256

    9fab9fc0a1da813e6ddb93904c1fcfa6546cfbe70747ff8468ddd14d2552dbd2

    SHA512

    2b8618e823355a4fa646d51a753f67d34bd7b14367d46fa187f2294af7c2794c6cdee664ea570862757a5f1c99dfcb67a7d4ddf8389d07dd8d696fe55aa538bd

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

    Filesize

    342B

    MD5

    659122115c9ce361920bf72f7814ed66

    SHA1

    04646ceaf765bcaeae91ecc146a50c4c89957203

    SHA256

    bb5cc1f1aa8795dad91c94661e459f663f14ab22c34e9f9be7170d6150c98048

    SHA512

    c20ae4e3e14787c668c0f476433fb6a3ce6e653e45cd6752d816d2e2878d630b82e71cc4aeb9498e379767eaa935214da1641f827773e90587d1d4782e38ba2b

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

    Filesize

    342B

    MD5

    47f77777a36ba9988baca2b8728a9139

    SHA1

    c3f1a8f4eef1f5f0240166c89c6a1c0290eaa155

    SHA256

    8dd74e5371722f28ae8dfac0edfcb42634eea77fd7f4d68e254cc4914071a871

    SHA512

    d1996c742f759ca22ad4aa87c27c47d786c7f4049b313a1824b455c541e9ef57c5b981507aca3a2777e517ed5b35650f4ee2d668b483f7f987f0df514b674d6e

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

    Filesize

    342B

    MD5

    346d7b4a2b81b5d94b1ca06879cdf836

    SHA1

    4a06e27ad6049b001f37f75e701751e8bee322d9

    SHA256

    599ece602c0baace24427400053a99ce8765fd4fa88fc91ce84481a33764988a

    SHA512

    e24db523856ce6d3ca93997ee43f3f9ccf9f5cddc7856cb32541c410c51df638d6f330ce5e47e3d27838c023ddb17c311dab656f49b5ed7df4cabe8591f93e9d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

    Filesize

    252B

    MD5

    fb7e44b0d89bb0ac06b342f666d85cb9

    SHA1

    abbd08094d5a75ce9a3c6eb345046e62f803cd98

    SHA256

    70a722e64db96dd31a649bef754f75eaee27383d79262107af0f9e446310ffea

    SHA512

    596010a2295e38af8a43ca29c1e2249ea74fff97442605a064b0afa169a40f51182662bdfadf71a937bae2368af608db6405804c7ef30138bde4b312118376e5

  • C:\Users\Admin\AppData\Local\Temp\Cab55FE.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar5611.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    115KB

    MD5

    de052454bdee6d5a7ddcf631f36014c6

    SHA1

    8390a64ae0fe34ef78beb8992d77a247da8b6cb3

    SHA256

    bfeab1943414e15c77cb2f232789dd886f3ce631f4f59011c8dc2c38b9b28a6d

    SHA512

    79ca16a731307653f91d970c7bc297631d2098589ae3cbfd671dac5adf78450fb6f9db96b6f874b04b89ee09f772ba21298574d3352355eaae8d25dd5d7337b8

  • memory/2216-180-0x0000000074350000-0x00000000748FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-0-0x0000000074351000-0x0000000074352000-memory.dmp

    Filesize

    4KB

  • memory/2216-170-0x0000000074350000-0x00000000748FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2216-22-0x0000000074350000-0x00000000748FB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-346-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-348-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2716-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB