Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 04:10

General

  • Target

    f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe

  • Size

    117KB

  • MD5

    fda7c672fb826156ead78ef2d53ea576

  • SHA1

    0984be1198abeed4f259fcb8f69304fc6bbc849c

  • SHA256

    f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16

  • SHA512

    a4711c99f1c9e51c911ddfc75e5f7914625afbd3713b4ab41ec3948b2911a57204677bc71af3612c3393cb47ed852e74dbe5c1ecf9aeb47e4a94ce45d77914ad

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgO:P5eznsjsguGDFqGZ2rDL7

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\f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe
    "C:\Users\Admin\AppData\Local\Temp\f25c2fc70eca513112ecafde460ebd95f18a8fac38b219109e0dcf0a81cebf16.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2816
    • 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:2648
      • 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:1576
        • 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:1192

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

    3e3aed1c0ba46c98a8ef6b3bec083998

    SHA1

    8df2ba67925f2c9580ead34fc567acd35c55b416

    SHA256

    3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f

    SHA512

    f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29

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

    Filesize

    342B

    MD5

    2f5c72417c51f89b67efc3408ad923dd

    SHA1

    ba20a9ce2eaf0a77b27a70da8abfa6f4083fd1a1

    SHA256

    5db9e1b628d74a4e8e26566af85b34271d8ae5c144a5375177b031a1f0a8a5bb

    SHA512

    d499eec89a4cd9e6b78a4b90811e7ec82f1679a08f2fb9648bb8cb9a107c650993da8a3453e96827526d36363256e42e87aee8fd6465ea8c08747e6818f817c9

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

    Filesize

    342B

    MD5

    147ae5e4d27a2de2eeb57bb1ca794059

    SHA1

    0c92cc6d2701b154cfcf2535fc4f54975f04064e

    SHA256

    1470747db123a7c7d6f4c6681731902ab03407c1773c82830c175d2ec20c0245

    SHA512

    c5a30be6f6d7bbe55b58f5849f01d64623850ce2369f6183ab8b451da62cb2ffc0837bbc665fb26c580d6fddbf6fca6723101dd1fda3fc7e4c1b9dc98a568bbe

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

    Filesize

    342B

    MD5

    770aa4e676ce7032f8c25ee601a2fba8

    SHA1

    7ffc9cfc3e158c258cdc97619a6c8c589aeaf794

    SHA256

    4bb9fae2f19eb98d4d66c9349e30773953527624f8430447e4648a4973c539b2

    SHA512

    8f1ce6c3e3ab32d14e37333e0219f53f83391828a42a56d0f2a11a2bd1728498e83d966412455c645717ec541a4db4e4bf098334a28b526bbe7bb4b871458d7b

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

    Filesize

    252B

    MD5

    c2b593afa6328f83fa827a9071153c32

    SHA1

    8025b83567ea66065113b9b644b7d407362df87b

    SHA256

    5eb5779b9210ec149f942d85a120e1c09352a677ca7bc42de24ea675b81e2975

    SHA512

    5de8a72201093f02559eb0b1c688c800ac17347f808258af2888a05fa3dde6a660bea7eb8043d3e37f7a48eac38c31bf340cffa004bd10fd6803f2f87460ce80

  • C:\Users\Admin\AppData\Local\Temp\Cab6DB3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar6DE5.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    117KB

    MD5

    19548de35beea98a9e7319c9c7229834

    SHA1

    7a549dbb29da624def4c6c05c248b24af4778110

    SHA256

    e71f3f9d3237cf51a6735328bf8791e35e56130752ae79a1b19fd2ddb3ec72db

    SHA512

    9f7cbdaed85cd5a62de8792c389d0e0732c2928ea9aa9243a54caf614ee14aaa3c438d92d41507ac78c941e7c4250d59715eabcd747829bc50c5ca9af55d92a0

  • memory/1576-347-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1576-350-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1576-349-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2816-181-0x0000000073D70000-0x000000007431B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-171-0x0000000073D70000-0x000000007431B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-0-0x0000000073D71000-0x0000000073D72000-memory.dmp

    Filesize

    4KB

  • memory/2816-2-0x0000000073D70000-0x000000007431B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-1-0x0000000073D70000-0x000000007431B000-memory.dmp

    Filesize

    5.7MB