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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02/01/2025, 19:19
Behavioral task
behavioral1
Sample
JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe
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Size
28KB
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MD5
679a7d8eba2e8cb2e0d0da534ee87356
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SHA1
dace3dd029a2a841b9788436b7aa37cb52752dae
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SHA256
38f2c99593c0ebe90cecb702ab6769cedf3c7d1774825e2fcfc756c7399a67c4
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SHA512
e6f4c0395512511c6e43bac9c75ddca7b3a9caa251294c4c94f35a994844737d8a57dab0192239353623ba8d0045973ff0ead8c3c3ffd085f401c1c39269cd08
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNJ/p5B:Dv8IRRdsxq1DjJcqfgRn
Malware Config
Signatures
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Detects MyDoom family 8 IoCs
resource yara_rule behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-48-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-53-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-72-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-76-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-81-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-83-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2100-88-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2232 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe -
resource yara_rule behavioral1/memory/2100-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2100-4-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/files/0x000800000001919c-7.dat upx behavioral1/memory/2232-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-9-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/memory/2100-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2232-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-48-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-53-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0005000000004ed7-67.dat upx behavioral1/memory/2100-72-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-73-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-76-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-77-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-81-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-83-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-84-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-88-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2232-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe File opened for modification C:\Windows\java.exe JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe File created C:\Windows\java.exe JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe -
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 JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2232 2100 JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe 30 PID 2100 wrote to memory of 2232 2100 JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe 30 PID 2100 wrote to memory of 2232 2100 JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe 30 PID 2100 wrote to memory of 2232 2100 JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_679a7d8eba2e8cb2e0d0da534ee87356.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD5b5719bc77e5458e9219ccab3ed4a5d50
SHA1083ebfe1146d1cd2323855fb428ac8eba53b753b
SHA256db0bd9f812181e7cc093b57f61dcaa33dd0020413cc8d7e2650a1fab2fcb65c1
SHA512cf215e7d0908f220a172d29579ea6ebd794fcff5510d024a084615563e0322ef0c1358ada8a2e934a83ab5df6ef60c186a8824eca2afb0109d0df7e02d7cf3fb
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Filesize
1KB
MD5b5f4cb0eed84350a0d8ed5ae78af0a8e
SHA1f8b416d4d983b9f66d0a199325bc7c96a794f39b
SHA256c0f6bf433ca9232371fbc8cd12a1b390811895c9ff9f4b189586697d6b711d45
SHA5126c33ca8c0811cc82e3f7240d45f90d3990d426787be809e9a0c7fb68eeb1bab6ae2171d6777fbea122341ca2b63b4188450b0417d54e516159ffff80ed2155b2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2