Overview

overview

7

Static

static

3

efd53147ea...18.exe

windows7-x64

7

efd53147ea...18.exe

windows10-2004-x64

7

$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...on.dll

windows7-x64

3

$PLUGINSDI...on.dll

windows10-2004-x64

3

$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...ub.exe

windows7-x64

7

$PLUGINSDI...ub.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...DS.rtf

windows7-x64

4

$PLUGINSDI...DS.rtf

windows10-2004-x64

1

$PLUGINSDI...IM.rtf

windows7-x64

4

$PLUGINSDI...IM.rtf

windows10-2004-x64

1

$PLUGINSDI...lo.rtf

windows7-x64

4

$PLUGINSDI...lo.rtf

windows10-2004-x64

1

$PLUGINSDI...pw.rtf

windows7-x64

4

$PLUGINSDI...pw.rtf

windows10-2004-x64

1

$PLUGINSDI...rr.rtf

windows7-x64

4

$PLUGINSDI...rr.rtf

windows10-2004-x64

1

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 12:49

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General

  • Target
    efd53147eaafae75db9515191d068fde_JaffaCakes118.exe
  • Size 717KB
  • Sample240921-p2schasgmf
  • SHA256 4d324cf3d0c6c7481883602518849e54fc1c8d6b11d32baa892f19b8ddee5454
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
discoveryspywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 38 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
  • 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.

    discovery
  • NSIS installer 1 IoCs
    installer
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efd53147eaafae75db9515191d068fde_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efd53147eaafae75db9515191d068fde_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe
      C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~72~199~~URL Parts Error~~SendRequest Error~76-E8-F1-51-6C-8A~#~~SendRequest Error~~~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 132
      2⤵
      • Program crash
      PID:2192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4512 -ip 4512
    1⤵
      PID:4660

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          GetVersion.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\GetVersion.dll
          • Size 6KB
          • SHA256 7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Math.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\Math.dll
          • Size 66KB
          • SHA256 0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          System.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\System.dll
          • Size 11KB
          • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          UserInfo.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\UserInfo.dll
          • Size 4KB
          • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
          • MD5 SHA1 SHA512
          Submit Download

          dllstub.exe
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe
          • Size 124KB
          • SHA256 57d3c04de1aa20f0215145fc8598faadcb1eb2fcf99928919285db048dcfee8b
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          intlib.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\intlib.dll
          • Size 24KB
          • SHA256 983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          nsDialogs.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\nsDialogs.dll
          • Size 9KB
          • SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          registry.dll
          • Path C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\registry.dll
          • Size 16KB
          • SHA256 ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/4512-55-0x00000000048C0000-0x00000000048DA000-memory.dmp
          Download