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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 10:45
Behavioral task
behavioral1
Sample
fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe
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Size
28KB
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MD5
fc21840959c82ac9561b56a0360e948d
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SHA1
c1cfb92d84d624493f4d6d2b98ec0adea9823357
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SHA256
f0f061819ed9da6b9288ba5023fe4c06c4ac877954c250de0d4cb55ced24a927
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SHA512
ee70800585a20c859882fe68f5c3f96e80723f9967c6e2e7c90b5d8ed1e0ddabbe1d2b9845b9108862168cc397b39e3ba83e72c6c3f3949946504f3cf4073e3a
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNufxbyJ:Dv8IRRdsxq1DjJcqfxu
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2420-17-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2420-60-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2420-65-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2420-84-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2420-88-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2096 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" fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2420-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2420-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0008000000018bac-7.dat upx behavioral1/memory/2096-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-9-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/2420-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2096-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-25-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2096-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-60-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2096-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-65-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2096-66-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0027000000018b78-76.dat upx behavioral1/memory/2420-84-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2096-85-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2420-88-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2096-89-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe File created C:\Windows\services.exe fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe File opened for modification C:\Windows\java.exe fc21840959c82ac9561b56a0360e948d_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 services.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2096 2420 fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe 29 PID 2420 wrote to memory of 2096 2420 fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe 29 PID 2420 wrote to memory of 2096 2420 fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe 29 PID 2420 wrote to memory of 2096 2420 fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\fc21840959c82ac9561b56a0360e948d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fc21840959c82ac9561b56a0360e948d_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:2420 -
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:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD585ecc44c97842e75cfb0df42d1edc858
SHA148724cbefa54f78cf35f0ef0666665e9fd117ba3
SHA25671cc7f913068573817a1d1a9ce9f8970e8642be86d3fa2cfef9f55ba6416ec4a
SHA512272ff3c94bab3a19402f7fbbf54e274e7d1542fe2715f3ebc0dd4e780b122faeb488d479775c3f5e951cec4b2b3416970a0605c660b7e152e7088aad91044031
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Filesize
1KB
MD542b17e10053ee58311e063873a512ed7
SHA18bea2f820c405b87d1fd2912b741d1cff6b7b307
SHA256bb40cbc747067a1fbb9c0acd84555b6a329527f7f1053bb331edefb31469db7f
SHA512a89165caab1401721d0d070b5f67ebcaced65beb4c9344ece63161a68315844e2cd68b813b77a42847211b5f42c0b466d1844120843810cbbc142d647c3ff58c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2