Analysis
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max time kernel
142s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29-08-2024 08:09
Static task
static1
Behavioral task
behavioral1
Sample
c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win10v2004-20240802-en
General
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Target
c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe
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Size
142KB
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MD5
c87614cf3877aa78d21bec9ea9c6e0bb
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SHA1
4a25f61f6ad0426cb4faa9a4eeaf96bf31666684
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SHA256
e8d05b4140f6c9202208c86fd15bfb178a4d931c26ee21e46283efe869792a50
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SHA512
2ab1c39086734b0efba3546afe687e7062be577044b1e04a694eee34e80c631ba45470358c68adfd2d6c0a01dedc53d3ea73b183cc4607d1c9c862527abca307
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SSDEEP
3072:xnOn7t7XpdpCCTg/sxFgJaeqgKJ+BCNCIN9bdiOdmt7mCmCi:xKpdcCrTdgKsIHbdvWmjB
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4784 downloadmr.exe -
Loads dropped DLL 2 IoCs
pid Process 1908 c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe 1908 c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language downloadmr.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4784 downloadmr.exe 4784 downloadmr.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1908 wrote to memory of 4784 1908 c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe 85 PID 1908 wrote to memory of 4784 1908 c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe 85 PID 1908 wrote to memory of 4784 1908 c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c87614cf3877aa78d21bec9ea9c6e0bb_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\downloadmr.exeC:\Users\Admin\AppData\Local\Temp\nsfAC20.tmp\downloadmr.exe /u4e820da5-3514-4c8f-ba03-600d5bc06f2f /e27199082⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4784
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD55ebc73650256e9c8ddbcda231db829a1
SHA1988d4535e18754ab2a6248abae96c5697d7dbcd5
SHA2561eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493
SHA512b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270
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Filesize
122KB
MD5da254a8488b60244654e1cf4d6796cf8
SHA123d06f4589786652a3a226b5012a5520a3d03452
SHA2566d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d
SHA512d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e