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
27/09/2024, 14:45
Behavioral task
behavioral1
Sample
fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe
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Size
28KB
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MD5
fa98346f6f28c856a88f936d7926e6c8
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SHA1
cfcedb2ab5b5d0b3c44072d96a94d7e6ee86ca6b
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SHA256
624ea1f14b60a6698bd7b8a07fde3d17c69aa0030f4fe2a57063a6af38cd79c2
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SHA512
d3e48471d963465abe8ea0031810b9583f70936fd184e8bb44e51128be9e5cb78ac3662f0fe28a5449f40b54530cde9e562acfc24bc842c932ff763df05c95e9
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNCx4am0:Dv8IRRdsxq1DjJcqfXxH
Malware Config
Signatures
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Detects MyDoom family 7 IoCs
resource yara_rule behavioral1/memory/2792-15-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-47-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-52-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-71-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-75-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-80-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral1/memory/2792-87-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Executes dropped EXE 1 IoCs
pid Process 2900 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" fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2792-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2792-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000015ce7-7.dat upx behavioral1/memory/2792-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-47-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-52-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-63.dat upx behavioral1/memory/2792-71-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-72-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-75-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-76-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-80-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-81-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2900-83-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2792-87-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2900-88-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe File opened for modification C:\Windows\java.exe fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe File created C:\Windows\java.exe fa98346f6f28c856a88f936d7926e6c8_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 fa98346f6f28c856a88f936d7926e6c8_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 2792 wrote to memory of 2900 2792 fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe 28 PID 2792 wrote to memory of 2900 2792 fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe 28 PID 2792 wrote to memory of 2900 2792 fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe 28 PID 2792 wrote to memory of 2900 2792 fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\fa98346f6f28c856a88f936d7926e6c8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fa98346f6f28c856a88f936d7926e6c8_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:2792 -
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:2900
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
28KB
MD59533656889d25a4454335d0986c178a6
SHA112a210aaf0314d2262faad99fac6d5401a8abaec
SHA256d022eba1be90ec958b5f3cf565b0de0de8e15959d2429ecd193a20ad0471952f
SHA512a681378058b6bed5c2ff3354194db8df78363ce136e9402b3c7b975fe971a2c9ec84c5cafb5d2d6d6af21fce3f20d801eb182c62a7332c508734dd326248b369
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Filesize
1KB
MD5a7064f0934638e30dcd9d93a2ca1dd01
SHA1c3afbf1f6a926282d282e982d47f702cedd52b21
SHA256b928fe263dfd9c6be1904fe76e0766cb05963230137045a14787fe88fb1f4bcb
SHA512652db4861a632fe50ddb6c7a29d269ebe55ece3b68bb8f0d13ec903777a289ec3da9e049575ed5dca86f4f68310e95af27f2c16cc700a2f5348436fef64509be
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Filesize
1KB
MD56425c7979d576e332cfd3077b000fcdd
SHA1cf60784d65e1afcd7d78def4d8fb19c98f8aadee
SHA256b74a6fd2f1a1dfea987907f35e0fe3b480f3fc0076bd4c892820cc68616b6aef
SHA512651818a418487abc659b504a0fc36ed860b5fb8d8087922a72b04afb4d86100b9e946d48e06a38d73cdfa45d4d523d079fb683e5cb43ef0490f5eb36cdd4a905
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2