Analysis
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max time kernel
150s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-01-2025 07:38
Behavioral task
behavioral1
Sample
JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe
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Size
28KB
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MD5
6b1f9ba8cb7e5089ca5bc858586d4cfc
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SHA1
6211861d0ca6b041cce0989678b024f3c2fddbb9
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SHA256
cbb3bd75c930052b8007fcb06ee3fd4e4bd6b0dd635ae0e89e510e18e8ee8d3c
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SHA512
9734b3e2f81f83a85dab22cd735b6ce831f51efd7f23d2ca57f1a0a8a3fa1486776305671ff27601b3a076c15214043f00aeadd2cf40b0377b551349a4e2880b
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNdx63:Dv8IRRdsxq1DjJcqf5
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1996-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1996-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1996-85-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1996-87-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/1996-91-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 1512 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_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1996-1-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1996-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0007000000019273-7.dat upx behavioral1/memory/1996-9-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1996-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1512-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1512-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1996-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1512-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000700000001933e-74.dat upx behavioral1/memory/1996-85-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1512-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1996-87-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1512-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1996-91-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1512-92-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe File opened for modification C:\Windows\java.exe JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe File created C:\Windows\java.exe JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.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_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1512 1996 JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe 30 PID 1996 wrote to memory of 1512 1996 JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe 30 PID 1996 wrote to memory of 1512 1996 JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe 30 PID 1996 wrote to memory of 1512 1996 JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1f9ba8cb7e5089ca5bc858586d4cfc.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996 -
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:1512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD59dfbd98ffd03d09b9d55d75740ef947d
SHA15f34c6dd8798a2c2ed090457bf11028a68986a6b
SHA256ba5b274277e347b3e0f62d43240389767abdc80b7a4ddd2f406783610b71f7c5
SHA51251de5063f2439f5b0edeeef563205c8cb4e792a9c8172de577f001076989251055b1b4c03d259e8edf3d5f231c366e37730e46f540700a291459f1f40e5ef254
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Filesize
1KB
MD549b7b6a8e40cbdf1a13ea25318cd2d47
SHA1ffe2974012738f21b4f48dd4d6aec2dcb041eb6b
SHA256000c1e510ff844404e4e91208529f76b00a0e2cffcb606a3dfb32240d3b9d787
SHA5122d5525742dd7bf483d01e6f44fb276600d2a4935c405c09a266134b94a3726c29c0c7c3fe592238d58656394c406027c0ccd4468649c030f1949acaa5ed16ba1
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2