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
    02-01-2025 08:05

General

  • Target

    JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe

  • Size

    1.3MB

  • MD5

    63b273a1313b10097263f35529e8cd20

  • SHA1

    3c818ee060befe46d05f8f7b52b8db89d9136e0a

  • SHA256

    678674141b451bcdaf2a310c051222da0dc89fc6702d823e1cda52af4ef9cfd7

  • SHA512

    0090335d5d1fff651beed959039a8ca0ea5dcde509522b159561fc23dd65330d1fa63959748981177a7d1088eca4deb8e8cae202c176b59b51c58a1c6480784d

  • SSDEEP

    24576:oi/7tC5GPql69nfWRGKENMuOhJecdubAXc/C0yDkWDzW5/TP8lA9Lp9LF:V/7Y5aUGKSCUcUbAMB69Dq5/nL7LF

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Contacts a large (780) amount of remote hosts 1 TTPs

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

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 7 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2096
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{E2B3C97F-6AE1-41AC-817A-F6F92166D7DD}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:672
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{E2B3C97F-6AE1-41AC-817A-F6F92166D7DD}
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    cf6c595d3e5e9667667af096762fd9c4

    SHA1

    9bb44da8d7f6457099cb56e4f7d1026963dce7ce

    SHA256

    593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

    SHA512

    ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

  • C:\Users\Admin\AppData\Local\Temp\Cab88B3.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\utt86DC.tmp.new

    Filesize

    2KB

    MD5

    9014fd63b207e03dce7f14dda95ba4e8

    SHA1

    78ea2798354be99f74f8e6d2851af68046231306

    SHA256

    4b7d4e373adac532629e68f66698af7f6d11e8a85eb33696aebdaa42621aba44

    SHA512

    cdbb8d0ff24fd61c4c0d8efa3f6e480b81163709c80d9e949240a4b4550718cc6d24d37505d7c4a96cac3b13209f3f441b5c03fc2665fdc4ab4bfe56f275f595

  • C:\Users\Admin\AppData\Roaming\uTorrent\apps\player.btapp

    Filesize

    275B

    MD5

    a073dc5c61063b30008ddf71cae8a1f3

    SHA1

    b81c8eaf59f6b6051b37a3fd73f8c30c956d7479

    SHA256

    61da84f27f17ee70994c0d89718981439c0344c9be77934fe184e6143efeb28c

    SHA512

    e7e1e2909d02b907545af51e358f5f36f45484c425bc40aee8803a540ae18cad5bac6aee7b07ae1ff14fbf6351aa549e09cbcb0825694901be48b755d22cc685

  • C:\Users\Admin\AppData\Roaming\uTorrent\apps\plus.btapp

    Filesize

    768B

    MD5

    f9bcb8c14295ef3b2f00d899cd498265

    SHA1

    cac8128c852287d27c517ba1fac61af7d9c97113

    SHA256

    577a752fc88a37f310d0465619e998b21c83dc0e3fee6c1045bfcef719309286

    SHA512

    542245ba7dc96ac59c626b772133354237e6db086c5d6cbe7cf0193eaca0f253f12885e0b7a2a5a5a6f35aafa7c277da331d7b4083e6c703a5d461885a603cc8

  • C:\Users\Admin\AppData\Roaming\uTorrent\apps\welcome-upsell.btapp

    Filesize

    275B

    MD5

    8cb9c9e2fb263fe54790e5a200851945

    SHA1

    f6b6eda49dbd56cb7b536b4469d42a633ed7b050

    SHA256

    bf62475b4cea2d15df254c4526009888d6dad6a7bc918d197563c89ced9efea9

    SHA512

    ee08338f9e7fd101a5f8b0aef7f5b97fa32fd4e92d58d4d58ea95c2d3bd96b1435b320e2905c802f36b91de08303b9ae32b874ac619fd6e2c098a10570e38d41

  • C:\Users\Admin\AppData\Roaming\uTorrent\dlimagecache\165F6EF40A81DD175FFAEA69E77ABFD30B27E71C

    Filesize

    1KB

    MD5

    4280089022fce23da2c64031bf137c08

    SHA1

    0380334f420bc6677795fda8f5201c1fb7355c1c

    SHA256

    ec9e7c253d599175af470832da851cf4f59614a4c4d4e37183159801b13abf5f

    SHA512

    9eafb6f30baf09a32601b1f9da1316e1fcc44256784221da85f54718de6f0539c2bb601feba194c2ba801c8b95834f5029c93e3508f79daddf8c3343fc848a05

  • C:\Users\Admin\AppData\Roaming\uTorrent\settings.dat.old

    Filesize

    7KB

    MD5

    dc098cdbba0236f0ec4706e28b3c5e32

    SHA1

    1ee772fd066d3f3bb670f7e887f35e24387dd669

    SHA256

    0bad0837cb6682a77a25f52794f3ca8e392f2e5196440be07d749b9a05780355

    SHA512

    6356a08fd67ae823fcba7c998f131fd88929ecc213c464a3f18f5ab6485e4bab2888a5fb4ddb290fdefbe1a4a9902fe4e9542db8726db83cc953a12607f6dab8

  • C:\Users\Admin\AppData\Roaming\uTorrent\toolbar.benc.new

    Filesize

    36KB

    MD5

    3ecbf853fdc90d95cd20a180e975f5ee

    SHA1

    e9b382a521702f5d5b19de57be0804d6c0b917aa

    SHA256

    790434a46c1b3051f13fc612543c6285fd98a7eb11ff141e027543c79e6d0a67

    SHA512

    475390912633c50211321cc138fb68114bda4f0f54d3618aef61f456e5bb5f0b2d850bd78b6e17488f34062099ddde2600bf8f5dffee706441db65c24924c5f5

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63b273a1313b10097263f35529e8cd20.exe

    Filesize

    1.3MB

    MD5

    0d64dffe07413bd446ee18afd410fde4

    SHA1

    7dc045b4f5ab145e20cd78eed06660b728530081

    SHA256

    1358d110f059d8eb133d2574976ed81fe654a24b514bc6f7e42509b560f7a3bc

    SHA512

    8c529df34901b75b5b40759fabd32bd2dede9d27ad9c096006ed611308035956f2096acf7d637c2c6b4216e7709e33d686cc102b9d6c7bc87189ecb858510f35

  • memory/2096-137-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-213-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-136-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-133-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-238-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-149-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-131-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-237-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-12-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-235-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-214-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-224-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-234-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-231-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-232-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2096-233-0x0000000000400000-0x000000000075B000-memory.dmp

    Filesize

    3.4MB

  • memory/2536-11-0x0000000002D90000-0x00000000030EB000-memory.dmp

    Filesize

    3.4MB

  • memory/2536-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2536-130-0x0000000002D90000-0x00000000030EB000-memory.dmp

    Filesize

    3.4MB

  • memory/2536-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB