Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 13:16
Behavioral task
behavioral1
Sample
JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe
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Size
28KB
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MD5
56912173920bcdaf45c0ba0f1410d2f7
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SHA1
edaa5e9d5a16ba6bcae2a1745eb36ac3009bc42b
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SHA256
a7b1ed850664cdefa4bb5e74eb1406483d38e4079994daf4ecddb202d41efef1
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SHA512
6980963b2b6f92489ba87e76d0120d5814dff0901a06f11f24dfea3599156bc28ec16467cc9cb70f05e5da0748885a2261ed76ded2da114fd486d13163e3af3e
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNfLvO:Dv8IRRdsxq1DjJcqfYL2
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2320-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-53-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-55-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-79-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-84-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-86-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2320-91-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2556 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\JavaVM = "C:\\Windows\\java.exe" JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2320-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0008000000016875-7.dat upx behavioral1/memory/2556-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-4-0x00000000001B0000-0x00000000001B8000-memory.dmp upx behavioral1/memory/2320-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2556-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-53-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2556-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-55-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2556-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-66.dat upx behavioral1/memory/2556-80-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-79-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2320-84-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2556-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2556-87-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-86-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2556-92-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2320-91-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe File opened for modification C:\Windows\java.exe JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe File created C:\Windows\java.exe JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2320 wrote to memory of 2556 2320 JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe 30 PID 2320 wrote to memory of 2556 2320 JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe 30 PID 2320 wrote to memory of 2556 2320 JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe 30 PID 2320 wrote to memory of 2556 2320 JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_56912173920bcdaf45c0ba0f1410d2f7.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320 -
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:2556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD55a3b26788cc9630eab5848e3d4413755
SHA13cb5e220d15d88313f430f520beb236d8f3ba271
SHA25674223f91d6dfd55e2df77703a7f50cf4ab238bed4af1a4e3b854f28b80a277f7
SHA512da72cb3489d30753a6826fbba65a59494a1f173ba445733dc8eecb7813086ab46594edbe9dc302b560e927a03c30b8b28b7bb388b70025295ccb3d71fce7db4e
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Filesize
1KB
MD5d96cf7734b56a2ae82199d547ebb3311
SHA16f922457014d60870202de62fd7128ced4d2ba4b
SHA256ac645b8568b27ce924ef51540c37daa892e5ddcce6c9cada4c958ba4c4dfb9a6
SHA512f03b82f3f2465668acc005ec31fcdd1e9444b646b3883c7ba133625f489db3bbb55cfcb9dd6f3b9b2e4d884f3818f79d2bd378317fc437d46f4bbce0b2369538
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2