Analysis
-
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 13:41
Behavioral task
behavioral1
Sample
JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe
Resource
win10v2004-20241007-en
General
-
Target
JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe
-
Size
40KB
-
MD5
6580b48e1772096d9b3ec2754743c611
-
SHA1
c0811c561c5aa6c343ccc93f70fc38c5db0b6a78
-
SHA256
2c560eab950dcd2b9e2169143cc461b9fcc091efa206a03c5f0a07e7d438b566
-
SHA512
ac262951b4e305096456d0e9f04a0c43b96bc3637f855d1e03a28c97dd3d6c94ac8e38065d19ab4c4b16bca607528dbd5982344d24672194ae0ddf1d9a65619e
-
SSDEEP
768:aq9m/ZsybSg2ts4L3RLc/qjhsKmHbk1+qJ0UtHww:aqk/Zdic/qjh8w19JDHww
Malware Config
Signatures
-
Detects MyDoom family 2 IoCs
resource yara_rule behavioral2/memory/880-0-0x0000000000500000-0x000000000050D000-memory.dmp family_mydoom behavioral2/files/0x0003000000000707-53.dat family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 3976 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_6580b48e1772096d9b3ec2754743c611.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral2/files/0x0033000000023b78-4.dat upx behavioral2/memory/3976-5-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-13-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-40-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-123-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/3976-137-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\java.exe JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe File created C:\Windows\java.exe JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe File created C:\Windows\services.exe JaffaCakes118_6580b48e1772096d9b3ec2754743c611.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_6580b48e1772096d9b3ec2754743c611.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 880 wrote to memory of 3976 880 JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe 85 PID 880 wrote to memory of 3976 880 JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe 85 PID 880 wrote to memory of 3976 880 JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6580b48e1772096d9b3ec2754743c611.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880 -
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:3976
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD5104b0da7da0f91e7a52ef489364ae352
SHA17d42d72aaffdfe8e4f20d6d006b810136185806f
SHA256f7dd99c71c006ad5f65e0b08ee7d6a284551688383c41029759e1dc1fb36f6ba
SHA5122d26be0a786cf0ede215c33619694d1780e54fa488c49e35bcf090ebb0b1856d3fb4d933af4b75295a57626c1f481c44baa023dfd190b9c7a9d9e7168b21f77d
-
Filesize
1KB
MD55554c043f7e7f7e68625218e389840c0
SHA131e2e790826cc81dbb06711f1956e8196d8ca60f
SHA256071fef584b471bf024db6f6a73be38c0617b4a18e14218b31b3bb6bb07700110
SHA512b18b32395a5f8fc4f5ee90135df0d480dc3aaeba66aee9c825aabdc7fb6c34780f0ef30d048537ed29428064d2043b1ff860653fa17ccfb9b7b7c625d297bd87
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2