Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 22:37

General

  • Target

    34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe

  • Size

    117KB

  • MD5

    e7f089e6b8a346d8d997865ea9da9803

  • SHA1

    39a34d91883d78aed59022ad02f65af4a13632c6

  • SHA256

    34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e

  • SHA512

    cbbb4a7092a9d370978c9525df7ac4eb814193365a3e4978c260cceecf7c90312edb29b6acc15a9db9ff9b84ed34b1368be99f49cac4af48fb193885dc183604

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg1:P5eznsjsguGDFqGZ2rDLY

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe
    "C:\Users\Admin\AppData\Local\Temp\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • 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:1352
      • 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:2652
        • 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:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

    Filesize

    1KB

    MD5

    f0cf5b1794eca7cd73f9c020daab8ef2

    SHA1

    cd040b212f8cd90e629e7acefd14972b68e575ea

    SHA256

    2af00edce7ef3266897e52dc81e8de3b7a079028c0f1f96eaff9e38ad342f617

    SHA512

    55c9f22bc101c986b2e83f31e20415031fbf1fbfedd33907487de75069c43c5cfe3ba243025de6b66405925ba506f66d19d9da69af187f499143bc2da71341de

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

    Filesize

    1KB

    MD5

    3e3aed1c0ba46c98a8ef6b3bec083998

    SHA1

    8df2ba67925f2c9580ead34fc567acd35c55b416

    SHA256

    3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f

    SHA512

    f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

    Filesize

    264B

    MD5

    05601414675261a37db86623cc928eef

    SHA1

    c6df12d031bafa4dbf84063151849a3beaff3509

    SHA256

    e65b73ef13898f99532e05db38964f9f914b184723e0a6b3577e423df77ef243

    SHA512

    f5fe24b1f22eb1ba2e285d6b7072436f88b7fc8ba2a4df630fcc06261129cf9fa2dff808e1740378407f171ba4e2069dc6f84cc135f5bc6ed0a482c93c7b7bd0

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

    Filesize

    342B

    MD5

    6a2a7501c9ad2a4c042cb7406c692bdc

    SHA1

    b3e7db255f07cb2631485293812cef0fa486d334

    SHA256

    62d6bacd0a44b66d54017767314ee1389f9383371c8fb20d9a27b190c792cd34

    SHA512

    539840290348873b034d5222135763057a6807046be11e02877ffc769f41cafc5c4eea365adda66840df5c57337bcc8ff7547ff18ff3453bc9f29b4203f5068d

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

    Filesize

    342B

    MD5

    37200ca993577aeba6c8a8c5197708d2

    SHA1

    9a515474d51d9b98409abfbf42b32bf87eb9bcd4

    SHA256

    342355239f7a3f70c25af9c2abba03b8b44a044c468e09af2c3e8eeea0fe6a60

    SHA512

    f15f47a28b0abc79a0be276a6272a1b4a8bf9fe74f253b309e6e44547cc663addbab86563e8b82522225fc607c8529caab93cc16dc2767db5440ea582a0461bf

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

    Filesize

    342B

    MD5

    a641256ffb0a477898599d44c5ab09ed

    SHA1

    0295548fe55262415bb73b433838166e5ed69c2e

    SHA256

    1bb36fb4051002223a48b0fa477bd28f52fb468deb1800145dfafe8bae6f194c

    SHA512

    176ee39989279d5fff3ae200535dc9f6594c55dcf1a9d530877496997bdd9d24dc08b81178e613df61ee37cea011074e42481602f9ed71bec9b963fb5bb32b75

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

    Filesize

    252B

    MD5

    3db58e31279cab4721be098eb5f32537

    SHA1

    39689e31e9a10c68b0b4f140e364510ba4d89896

    SHA256

    482c47d260701295275d4281bd7278e12ff8be1b815f57056f020c80390ba0e7

    SHA512

    391ddd04f2880eae6ddac0f70acc5d675448cfd3a87d0c906682819d59d99edb7db736cbae7e245ccbc05ebc091a02ac9006e85f017935b9e86c755ea9c94535

  • C:\Users\Admin\AppData\Local\Temp\CabDD56.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDDD6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    117KB

    MD5

    af6b3b6d1fc705a0428bedd3ee2dcb30

    SHA1

    deaeb8d8c7bd288f0781a5f71f55ab40a8ef4b00

    SHA256

    c0f885b14479a6112cd5fe448719d517ecb4da6eb894ad74d6a0879d94c808ef

    SHA512

    75757f748185c76bf184fcce8178156a2299eb004d80ceb26aaa4c120a6cda45d589691e7fcb736fcfb4c13c1f4ed636576f2508c5adc420e7d8e6f10fd26881

  • memory/1968-181-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-179-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-170-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

    Filesize

    4KB

  • memory/1968-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2652-351-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2652-352-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB