Overview

overview

7

Static

static

3

1c7c818911...18.exe

windows7-x64

7

1c7c818911...18.exe

windows10-2004-x64

7

$PLUGINSDI...er.exe

windows7-x64

7

$PLUGINSDI...er.exe

windows10-2004-x64

7

$PLUGINSDI...se.rtf

windows7-x64

4

$PLUGINSDI...se.rtf

windows10-2004-x64

1

$PLUGINSDI...se.dll

windows7-x64

3

$PLUGINSDI...se.dll

windows10-2004-x64

3

$PLUGINSDI...se.rtf

windows7-x64

4

$PLUGINSDI...se.rtf

windows10-2004-x64

1

$PLUGINSDI...LL.dll

windows7-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...on.dll

windows7-x64

3

$PLUGINSDI...on.dll

windows10-2004-x64

3

$PLUGINSDI...se.rtf

windows7-x64

1

$PLUGINSDI...se.rtf

windows10-2004-x64

1

$PLUGINSDIR/Math.dll

windows7-x64

3

$PLUGINSDIR/Math.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...fo.dll

windows7-x64

3

$PLUGINSDI...fo.dll

windows10-2004-x64

3

$PLUGINSDI...dl.exe

windows7-x64

7

$PLUGINSDI...dl.exe

windows10-2004-x64

7

$PLUGINSDI...se.rtf

windows7-x64

4

$PLUGINSDI...se.rtf

windows10-2004-x64

1

$PLUGINSDI...se.rtf

windows7-x64

4

$PLUGINSDI...se.rtf

windows10-2004-x64

1

$PLUGINSDI...ib.dll

windows7-x64

3

$PLUGINSDI...ib.dll

windows10-2004-x64

3

$PLUGINSDI...BL.rtf

windows7-x64

4

$PLUGINSDI...BL.rtf

windows10-2004-x64

1

Analysis

  • max time kernel
    132s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 21:02

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General

  • Target
    1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe
  • Size 1006KB
  • Sample240701-zvmhsazapf
  • SHA256 896a7d857c5444298b43bc3ded3e9a1829a1e0c0096f95a61e11e4eb611f7e4c
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
spywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 50 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • NSIS installer 1 IoCs
    installer
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~6225~5185~~URL Parts Error~~SendRequest Error~4E-0B-59-64-A9-68~#~~SendRequest Error~~~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1364
      2⤵
      • Program crash
      PID:1396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 640 -ip 640
    1⤵
      PID:3732
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4156,i,3144109701624127473,12586215149656995128,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8
      1⤵
        PID:4712

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            GetVersion.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\GetVersion.dll
            • Size 6KB
            • SHA256 7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Math.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\Math.dll
            • Size 66KB
            • SHA256 0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            System.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\System.dll
            • Size 11KB
            • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            UserInfo.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\UserInfo.dll
            • Size 4KB
            • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
            • MD5 SHA1 SHA512
            Submit Download

            dlhelpdl.exe
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe
            • Size 129KB
            • SHA256 e3cd723bad422fef8ecd1f7a1ccaf7b3ff5fe7751713baae899163925354dc54
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            intlib.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\intlib.dll
            • Size 24KB
            • SHA256 983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            nsDialogs.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\nsDialogs.dll
            • Size 9KB
            • SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            registry.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\registry.dll
            • Size 16KB
            • SHA256 ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/640-72-0x0000000002AD0000-0x0000000002AEA000-memory.dmp
            Download