Overview

overview

7

Static

static

3

75fed5e909...18.exe

windows7-x64

7

75fed5e909...18.exe

windows10-2004-x64

7

$APPDATA/M...his.js

windows7-x64

3

$APPDATA/M...his.js

windows10-2004-x64

3

$PLUGINSDI...ad.dll

windows7-x64

3

$PLUGINSDI...ad.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$R0.dll

windows7-x64

3

$R0.dll

windows10-2004-x64

3

$R2/NSIS.L...0_.exe

windows7-x64

1

$R2/NSIS.L...0_.exe

windows10-2004-x64

3

Updater.exe

windows7-x64

3

Updater.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 22:29

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General

  • Target

    75fed5e90912b254527a85583845ea22_JaffaCakes118.exe

  • Size

    610KB

  • MD5

    75fed5e90912b254527a85583845ea22

  • SHA1

    c0eb49598a8e605f0d10912844be27469710f249

  • SHA256

    17395112e7b84a07a75b97c07d2e9a81315027e21885d27954fecbd556cbc974

  • SHA512

    1ea74c18ef0dabc5696340476585426a0cc2c148641fcb45d868dcbfaf145e045e9d1bc9e59546f687bb044218f4d45a28459f2159bf2a7de5ab37b37a5f050d

  • SSDEEP

    12288:biXZntNhcYxRfv2Q6wJczwqv+ojdllZfxXanv4QgWAu1ihaaE3cWlVj7S:+XZnt7fv2QpabVlXxi4QTAu1i5E7S

Score
7/10
adwarediscoverypersistencestealer

Malware Config

Signatures

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75fed5e90912b254527a85583845ea22_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\75fed5e90912b254527a85583845ea22_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s distributor IWED
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1748
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /i
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1416
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aUserID
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aDomain
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4268
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aCookies
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1284
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aUserHost
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4436
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aDisable 2FA33051
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:940
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s aBlogMode
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4672
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s updateUrl
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2844
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s onloads
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4748
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s ads-timeout
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:372
    • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
      C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe /s data-timeout
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1912
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    PID:808
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2172 CREDAT:17410 /prefetch:2
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    39a3aa70f48928596cfcaafd4bbe1148

    SHA1

    ffe5eb6c3cdb6bb13fb80eb5127d37f39bbf8e74

    SHA256

    2b6b8ae7ca7d85d6b3dc6c97ff8f1994b5db0fdfdfc76a9192f24a984f4e1c1f

    SHA512

    c0c9994797329e123ac8b32e5571487a9490f30e4e7bc0083921cfabb0ff7f041a05b80e469be177ae1b5ea665880d6ea07ecfcf59480753557765f008088252

    Download Submit

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    404B

    MD5

    b1f5c998cea034122a1326022f8d4045

    SHA1

    5015f09fa8dd1404b06048fec1c0ba4363386d9f

    SHA256

    2250d843b662f4d1e137030b31ccc5bea00adac99ee4a248d082acccdc4b096b

    SHA512

    566aee66692bffad483882f5f90801d7b68cebbc13aa406663f85746c2ea3c6e141a0953a4c762809b37acd3965169cd4e36b83fb8129d558e1f2d47c2566faa

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UEL5ICRL\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nsz6A55.tmp\IEFunctionsU.dll
    Filesize

    4KB

    MD5

    2315564b6c4382b642e23c3518489ed6

    SHA1

    3e8da90c307910c0b1dbc3a35060d279ab2c6d42

    SHA256

    8a37c6e9706b166d278abd468984f75e71f27596faa2fd67b90d2a1e28e8eaa2

    SHA512

    cfce9d1bdcfbce66d3afb6ecadc8815e1a4d3437571b64fe91fec311a71d17c38bb81423af1dfac2af539acef0835c602f141402a80d086a9e6c8cfef2dd317c

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nsz6A55.tmp\InetLoad.dll
    Filesize

    18KB

    MD5

    a86f2ab29f13812c0675a2d94bf18bdf

    SHA1

    0b34212b40612bad005585d5e4d9daf23805940b

    SHA256

    a865a90bd24840660bbd5b4af8f18051199af5c12608153130051b29064b963a

    SHA512

    9b229d3463a18aee83f6463409d60c64f56b78da0110e6a94890b24c765a7a6cc347a70f891f72cf9ac395018dfc712d8915c1698b8c35789bd276945c480fcc

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\nsz6A55.tmp\System.dll
    Filesize

    11KB

    MD5

    959ea64598b9a3e494c00e8fa793be7e

    SHA1

    40f284a3b92c2f04b1038def79579d4b3d066ee0

    SHA256

    03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b

    SHA512

    5e765e090f712beffce40c5264674f430b08719940d66e3a4d4a516fd4ade859f7853f614d9d6bbb602780de54e11110d66dbb0f9ca20ef6096ede531f9f6d64

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MemoThis\Hiverion.dll
    Filesize

    900KB

    MD5

    0446d1d4b7e3cb6b6178e4ec50520de7

    SHA1

    c339c5ecfaf5398192e9bfdedd2980bead1d22f0

    SHA256

    9f9fc3e0f5d48ea5e80ca34641cacfa3c431cdb0f9e2816e0fbbbecddadaf6a4

    SHA512

    3a34d15677bfb1147f37ed2196fd801d4505a509aa37f5e3b5543c6f8cba93416a16317ee2cc11dc8b2308aac9cd3b11fe08839151200ab4728e218f9ff6616b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MemoThis\MemoThis.dll
    Filesize

    218KB

    MD5

    9cfb500faeaa156e79eb8c5bb2c5cc68

    SHA1

    0b2a895da8ef6a1d9e73270df2436916672ab6e1

    SHA256

    577f79f928fd27eabd8033bf4cb3154422037e960df66cf6296d1c6fd2c08ae4

    SHA512

    2c10ac73dd3ba0c09eb3a2b241b090f64c4dde9e7adad50aedbb8489c8baf29ad81cba1284b957cefe21253fc712fdd7369784712fc9473202568347552f6283

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MemoThis\Updater.exe
    Filesize

    140KB

    MD5

    78b515df5a8b1c3c813e7f5c0fb6f6ea

    SHA1

    a01e9ee70888a6e8c29f67d054a0df2894715da1

    SHA256

    794dbf1af2f3914ebd8f62263798efe5c20377919d770b27e8005af34898eecc

    SHA512

    7e06df98e964a482954eb1ddc1d383aec4224536bb9bf48137bc8971aae219800993181ffed59c25995d8548e4e0e3ab9e0711229c1f6d80c5201ca57d813ebb

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MemoThis\lang\memo-string.1033
    Filesize

    346B

    MD5

    59dbf833d2845f8035766b03cda18965

    SHA1

    6b5bb6788d29b7bd59c4fd6a4af62b00e7ae61eb

    SHA256

    c2d62d2c10f82834b502fbcab73b7fcf4758b21964851c907d9db03e075ea61b

    SHA512

    7585ec0862cc46283ccd68acb5ce72f04dd6cb306982235df07374b3e341dce9a85f05fbe3697eb8579b7c98f1cce37bc5544213aadd2a911a55d6fd9476cfd3

    Download Submit

  • C:\Users\Admin\AppData\Roaming\MemoThis\memo-client.properties
    Filesize

    625B

    MD5

    1a47816f5c4ea9b3377a1884832bee9c

    SHA1

    7b6670c20bdae91d5d875988ab39d92f3fd350ff

    SHA256

    6f4a03a0e7e3b145bf6391f7de66309d4818433a69cdf8ceba366be60d365547

    SHA512

    82831fbff0a63d632b834902b64574227ef6f9d83f74ad4bcc0fb3a916dc35876c341dd4d6c2803dc3e7c87cdda27fd6cfa49aa8a29afce9482f2a545579e8db

    Download Submit

  • memory/860-19-0x00000000049D0000-0x0000000004AB4000-memory.dmp

    Filesize

    912KB

    Download

  • memory/860-34-0x00000000049D0000-0x0000000004A09000-memory.dmp

    Filesize

    228KB

    Download

  • memory/860-41-0x0000000004A20000-0x0000000004B04000-memory.dmp

    Filesize

    912KB

    Download