Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22/08/2024, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-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
b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe
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Size
142KB
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MD5
b8fb59b4bd1c43d896bab7d60eca8533
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SHA1
2856a1e73330fc12b8296d6e27afa2b09b802636
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SHA256
0ede4bb318da633b2e47469b73a9a628d03c9c324e085a146ecbac503a118905
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SHA512
8037e79d2ef269a55b5948b45b419ccab3e8a43a0a83815a850dcd571a20dda69deb5e0d5d9aaf8e242d0e571f936afa0e3dfb66d579e59c06e165140fbadb09
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SSDEEP
3072:KnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCBCaZ9EV21SDJo1oWso:KKpdcCrTdgKA69EaHzD
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2572 downloadmr.exe -
Loads dropped DLL 4 IoCs
pid Process 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 1604 b8fb59b4bd1c43d896bab7d60eca8533_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 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language downloadmr.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2572 downloadmr.exe 2572 downloadmr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1604 wrote to memory of 2572 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 28 PID 1604 wrote to memory of 2572 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 28 PID 1604 wrote to memory of 2572 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 28 PID 1604 wrote to memory of 2572 1604 b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b8fb59b4bd1c43d896bab7d60eca8533_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\Temp\nst8D63.tmp\downloadmr.exeC:\Users\Admin\AppData\Local\Temp\nst8D63.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e586832⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2572
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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