Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-12-2024 15:37
Behavioral task
behavioral1
Sample
f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe
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Size
28KB
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MD5
f4a3abd2d23ab608e1ff92947067d9be
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SHA1
76d387804118342c47c71fc5a7a2527a719e7921
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SHA256
ec5c5dfdb7e87f8a4bb90620c3aa8a856fd1900b849a6714fd33df5fd0d8bb2f
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SHA512
49d2433f42974937195d8f60423325962b8a9a758ca19ffb27433911fa1ae24cb0db164cbf2bfb70a1b65ab894fb6a86131cdc9486d56a4b5fefb6b84bc8fcd8
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNmqlc15:Dv8IRRdsxq1DjJcqfFqlM5
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/2624-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2624-51-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2624-73-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2624-159-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/2624-161-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 408 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" f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/2624-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0008000000023c93-4.dat upx behavioral2/memory/408-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2624-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/408-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2624-51-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/408-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000707-65.dat upx behavioral2/memory/2624-73-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/408-110-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2624-159-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/408-160-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/2624-161-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/408-162-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/408-167-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe File opened for modification C:\Windows\java.exe f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe File created C:\Windows\java.exe f4a3abd2d23ab608e1ff92947067d9be_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 f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2624 wrote to memory of 408 2624 f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe 83 PID 2624 wrote to memory of 408 2624 f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe 83 PID 2624 wrote to memory of 408 2624 f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f4a3abd2d23ab608e1ff92947067d9be_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f4a3abd2d23ab608e1ff92947067d9be_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:2624 -
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:408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
25B
MD58ba61a16b71609a08bfa35bc213fce49
SHA18374dddcc6b2ede14b0ea00a5870a11b57ced33f
SHA2566aa63394c1f5e705b1e89c55ff19eed71957e735c3831a845ff62f74824e13f1
SHA5125855f5b2a78877f7a27ff92eaaa900d81d02486e6e2ea81d80b6f6cf1fe254350444980017e00cdeecdd3c67b86e7acc90cd2d77f06210bdd1d7b1a71d262df1
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Filesize
28KB
MD5b6fb972ea77c383bb775623ab126d2c7
SHA113756b18ebfe435ed436b80afca8c40545fc068b
SHA2569f02b692c302a8e0ece7d40b111bb335028c315887ba2d0d7015225a7057eb1d
SHA512a42cc56ac4a1286ac1205099f28b7b662155589613e7c2d8146fa6a980a389a6468ae646701bd4a0b05e621b9a2cc00948f3c4f4e49f6eaa4f94ce47f5831932
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Filesize
1KB
MD5daa3db3ddb68f9cf5dcb46cdb763fb45
SHA151fed297c272c9bfce23a7ca993ffd7210da7a3a
SHA256caa52310938fce11a86daf977f79279dd96fbd89c89f67bb1b92ebbdb4a9b7e4
SHA512ee615eff87f50b5dd456de3329ab4a9d54332262a7c2216c3bf722cb82b729a49212b61f909cfdb081f26fedaa93cd5e42b053dffc7757bbfb055752957d064d
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2