Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 22:51
Behavioral task
behavioral1
Sample
cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe
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Size
28KB
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MD5
cf6ee881939348bd1dddeff48237a072
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SHA1
110ccbbe7512cd8bd7e7be3d7f5eb6c7f2354d60
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SHA256
534ca909d229c3ebc4e515e7aaa6f34f61de18723815c00e6be9db9f6af6fb9b
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SHA512
9511e09dfcad4e58fad7f7f7be10f113871c31577373c3e507774d239be9748035f1fc03c8fa88620a7e497e05179afff46ed5f4906c0a5bfb1a5bc450deb0da
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNAIz:Dv8IRRdsxq1DjJcqfe
Malware Config
Signatures
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Detects MyDoom family 4 IoCs
resource yara_rule behavioral1/memory/2592-16-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2592-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2592-84-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2592-88-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2388 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" cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2592-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2592-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000016c66-9.dat upx behavioral1/memory/2388-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2388-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2388-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2388-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016cf5-76.dat upx behavioral1/memory/2592-84-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2388-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2592-88-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2388-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe File opened for modification C:\Windows\java.exe cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe File created C:\Windows\java.exe cf6ee881939348bd1dddeff48237a072_JaffaCakes118.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 cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2592 wrote to memory of 2388 2592 cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe 30 PID 2592 wrote to memory of 2388 2592 cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe 30 PID 2592 wrote to memory of 2388 2592 cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe 30 PID 2592 wrote to memory of 2388 2592 cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cf6ee881939348bd1dddeff48237a072_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2592 -
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:2388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5d5944add72636eba21281056fa40ea29
SHA15f9939a90e704bbcd29a4c6d78fd582d51510372
SHA256f19ef72a3ec9df5b2a7b88d7dbf4065cd5095e54e96d25dc3846c08e5322c0fc
SHA512debd69c6206cb9d5de1b38701e15af3dd24403b360226ee2e6f6f5aa26596ea557140f01fa6bd1a6f70cca553c8bd046f7a17b9801e6f3aa9047b1553272ebc4
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Filesize
28KB
MD5234b2ed8d47546956a124b1f70e51e02
SHA1edcf89b9ba35b7114ea3fddff825b2cd2e5296ab
SHA25629777fcc19dff35b3ebf2076c5c110cc3fb2bec29727201aafd3569e2680c8e9
SHA51221f8eea96572a297447e34262706e7959ba5ff1c57ed9eeb7f61bf7fbb0e4293338cf5d2e3a95a7b2ae91a30eff584de79e33b81ff7e0283d288dc46bf9b09b3
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Filesize
1KB
MD5c64ea4500202c731198bc8c8d9e6c6bf
SHA18a04038ca1b23dd2a88b8545753ddd49e545cafb
SHA25609fa0e0b6a32b4a8b676ceff8ddeeaded4fb66bdaa86fb586a3c6226b74504aa
SHA512247b807336120b1c6da09b3cda30d25ecf532d3dbd7452283f829a96ab4e5f43c0ce9ea0cd6b5412d0497a5de11ed31374dfb8eb08c66464ba46afe4409e148d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2