Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 05:06

General

  • Target

    b4ea054820866172ee3039a5dc198798_JaffaCakes118.exe

  • Size

    186KB

  • MD5

    b4ea054820866172ee3039a5dc198798

  • SHA1

    187b7c88a91cf74e5bd7d398467acf73378a04c9

  • SHA256

    e3f4116c5aa5ff97bfca9658b52d02efd541a8b969f4325e0b77577fed9288a5

  • SHA512

    fc55a07876fd8d7470fdbc7d0bffd1a2fb7821826b810df30c712b75f1510e169f5b70ace90882d8e08acb748138f92975bfe305af7fb138671b4f946c91f38a

  • SSDEEP

    3072:LX7DItrfaocyTgfsqQOlJSTCVsdDnjod6BeysyGTqgMNIGKWzlvrQPIKbfTw+56z:LsaocyLCSuVO/Y6+y6F2IGxzlvr9UrIz

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4ea054820866172ee3039a5dc198798_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b4ea054820866172ee3039a5dc198798_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\inst.exe
      C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\inst.exe 512e4fc0-18d4-4361-bb1e-3ca05bc06f2f.exe /dT131620750S /e6711737 /t /u512e4fc0-18d4-4361-bb1e-3ca05bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\512e4fc0-18d4-4361-bb1e-3ca05bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\512e4fc0-18d4-4361-bb1e-3ca05bc06f2f.exe" /dT131620750S /e6711737 /t /u512e4fc0-18d4-4361-bb1e-3ca05bc06f2f
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\12236C41CDDF9E40BA5606CDF086B821

    Filesize

    66KB

    MD5

    511143bd7d3265c8241c83a1256f43be

    SHA1

    44972db6f405e89e944ebeaba7c76ecad152d2fa

    SHA256

    a5fd321fa80d213242911c47dcc7bec6bd85b0f19bb3cffccf994e746b71c3ec

    SHA512

    cae28d4e702946d5fb237a5438aad0dbf419e17c8cf02205be1e4f57c90442d245c1dc34e332d1d7731dd5a5cf192c40223edb0f09e9cdd046e3c1d44f02436a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    604B

    MD5

    3a0e39c53630ecfc2720aee27fe32557

    SHA1

    ce9b2fbd4efce495b07ac98b4cb54b12dd3cf3c0

    SHA256

    18da8779683e3e688ac75a896d738eb4e958763e153e56cb06432bafd3d6ef38

    SHA512

    3598a8fa245b68d4ea236355c00c80710105704efb08e889edea0afd79e079224083c0d034e6b2454189bb8057ea9037ae48e0791bc5b6c54a4af90541fda166

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\12236C41CDDF9E40BA5606CDF086B821

    Filesize

    202B

    MD5

    b1d6138067b24ab66ac981704397c7c6

    SHA1

    6aa0f9b69e271293cbc52939ef9fbcd1d21de03a

    SHA256

    b59a016e91ed4a6aaf1744960ef375015725ba1dcc19a9f7ba54ec4a634f15c7

    SHA512

    8b55bd064c6c668f840c76d449597ffc7606d636f3dfc11bc53ebf2172fe666ff189d7697d5a35ce8db590977ee1aded435b5c3e16859a27165fa60fd1efa8e6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

    Filesize

    412B

    MD5

    411b6b52d71e7a7e4f06958c24e274c1

    SHA1

    82cc24fbec41233f063179eacbdfcccee2c7458e

    SHA256

    31af4ce0657b9d44ff8a89a5808715528baa268afcdca0da38fd2cb9e729b11c

    SHA512

    394dadda785278dac5a2a61e1d411326ae7f20b307e8b5cb9a81d21ddd610599679c5dd210b806bc77f2da8e8c6d360b093c30240653d51154e7e204181202ea

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    188B

    MD5

    822b37f2636e19c8d0b5867b90337efb

    SHA1

    6772db60160f6ab8483334459632152b0d0d5a3b

    SHA256

    bdc0d33e9ac288f26af89641d6b6571067a3f869102ea91360f98c2f0ea0c6f3

    SHA512

    183599b811f894c57052c360db57de934894fb7518a9dac528580dd126a2fc4d79f4a7a80dcb870f60f153125d688760eb23d2e102b76c878518555b9b98a2b1

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    404B

    MD5

    0eed0bf67fc6253782cefefcac4841fa

    SHA1

    264034d80a7b9a43289dab43bab8eb353ef19e5d

    SHA256

    d140b82491d43c0830a1035b7484b888fa1d304380c61b45f79949f653f3add3

    SHA512

    b7fe2822684da1b1381920496f729f0dfdec5857439600a8f85fa37481030b44561898fa57f496f2bc1d520e3a36e1d58d3fa554dc6d055ef15a6d814c640f40

  • C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\512e4fc0-18d4-4361-bb1e-3ca05bc06f2f.exe

    Filesize

    161KB

    MD5

    fea751116d26cdd3b5976bb20e746615

    SHA1

    cc451d9d4594c76717b69df84b14f4fce512503a

    SHA256

    ffcda5ceafb9d740ffb811bf221f1780c87a1ce6b1b2a5b4ba96905c1c9a8170

    SHA512

    9e09872223247f1849c98a1c7649ef68fa4eaac7f0c64484259b28df39ee09a941762c114824fbf09dd2dd3a1b4a569d5b09fd1d01b0f366b1c41a3e485ac081

  • C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\inst.exe

    Filesize

    144KB

    MD5

    6c13897aac76495646cb21a0f3026459

    SHA1

    3b852f19dfe1efc220356abce7b99a491cc44e3a

    SHA256

    174d6c4705673cfbd506f0cb916a766dd4e1a45f3ba1b124d4cda16fcd66582c

    SHA512

    93ca87000dc1ec560f153da999f7489b3a856ded0653e981667bc5a2af7f4f4a886a3f982c6e2db05351668bf8fc20f80d8a27591e49f4d9bc20a11a260d8051

  • C:\Users\Admin\AppData\Local\Temp\nsvC6BD.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/1476-52-0x0000000000400000-0x0000000000439000-memory.dmp

    Filesize

    228KB

  • memory/3912-45-0x00007FF8471C0000-0x00007FF847B61000-memory.dmp

    Filesize

    9.6MB

  • memory/3912-33-0x00007FF8471C0000-0x00007FF847B61000-memory.dmp

    Filesize

    9.6MB

  • memory/3912-29-0x000000001BED0000-0x000000001BEF0000-memory.dmp

    Filesize

    128KB

  • memory/3912-10-0x00007FF8471C0000-0x00007FF847B61000-memory.dmp

    Filesize

    9.6MB

  • memory/3912-9-0x00007FF847475000-0x00007FF847476000-memory.dmp

    Filesize

    4KB

  • memory/4228-51-0x0000000074260000-0x0000000074811000-memory.dmp

    Filesize

    5.7MB

  • memory/4228-47-0x0000000074260000-0x0000000074811000-memory.dmp

    Filesize

    5.7MB

  • memory/4228-46-0x0000000074262000-0x0000000074263000-memory.dmp

    Filesize

    4KB

  • memory/4228-62-0x0000000074260000-0x0000000074811000-memory.dmp

    Filesize

    5.7MB