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
02-01-2025 17:50
Behavioral task
behavioral1
Sample
JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe
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Size
28KB
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MD5
66fdc83e89d0fa55294e2c19b851fa74
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SHA1
6625574bb8f90c03c03ff46c78821ba02011c617
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SHA256
17fadd38842cfbece374f2e8cbddb54ad0fd02e03d8b991038bf176e7cfa565e
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SHA512
715bda6862564a973c9f2c89261d58c1cf36079a3327ec7e0013e646e2b714e96904a0fb0a57c26ed467fb31b4287d49545149d963eda6f5db0c3fcd46c70c7d
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNBJ7:Dv8IRRdsxq1DjJcqfK9
Malware Config
Signatures
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Detects MyDoom family 5 IoCs
resource yara_rule behavioral2/memory/4416-13-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4416-56-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4416-61-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4416-153-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom behavioral2/memory/4416-181-0x0000000000500000-0x0000000000510000-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 3252 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_66fdc83e89d0fa55294e2c19b851fa74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/memory/4416-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-6-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x000b000000023b89-4.dat upx behavioral2/memory/4416-13-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-16-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-15-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3252-52-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4416-56-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4416-61-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-62-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/files/0x0004000000000703-72.dat upx behavioral2/memory/4416-153-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-154-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/4416-181-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3252-182-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe File opened for modification C:\Windows\java.exe JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe File created C:\Windows\java.exe JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.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_66fdc83e89d0fa55294e2c19b851fa74.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4416 wrote to memory of 3252 4416 JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe 82 PID 4416 wrote to memory of 3252 4416 JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe 82 PID 4416 wrote to memory of 3252 4416 JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66fdc83e89d0fa55294e2c19b851fa74.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416 -
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:3252
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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
MD5b9e89a2591611ff664f9a8ef0887c4d4
SHA14977e6b9a99d893d0403ef7dab57bfd6d18085b3
SHA25617d0818cdb1ca99e700dbadbe7dd53558175ed367f984b8f00e6b340eac46d0c
SHA51206896f37d56aa849abf4ce4039d956ba4c2643b9c7d468201f356776c140290170e04ce77988243a69cb0876e7514816f1235e11c3fdfa081bf44275efb8b773
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Filesize
1KB
MD55d5984e463235cf3c8b04ea3ec210cc0
SHA115d08b18bbc24ab49419cb0cb9a8dc44dc539631
SHA2566f3a51b91461a6a4701a71c2590f15bd419fc9bbe32de36087449188d3be74b4
SHA512617989ce2ed0bc14115522205f88d6b0ccad72b7a09d430ccfdfc56e7133281b96143dd2f96c63d3506f78a1924d858bbe3e77d014c746679f8a14db5ce21195
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Filesize
1KB
MD52344bc73e54544a57ef3e31962695fe6
SHA1f3228ba546287fefd9e3238b62a58a266193d677
SHA256bfd19136ceaa7a55901c0d3212e0dd11558f0c9f8668f37a431f0a5bc0308c12
SHA51280f30699948fb0e1dd0f041cffd580d3a7ff49abf5cbdaea704f5e99b8ad59e05623434e1d17f0920e6c3baf34201519a78f317544ed36bc9220d57978c9d47f
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2