Analysis
-
max time kernel
120s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 14:55
Behavioral task
behavioral1
Sample
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
Resource
win10v2004-20241007-en
General
-
Target
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe
-
Size
29KB
-
MD5
fd1551b9b2e5efac053b6d0bc941735d
-
SHA1
e188abcff2e81067ce36fe1f0791775f3bd7a736
-
SHA256
2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391
-
SHA512
653efeb013d4a2a6a69a7e8f9a773e1ee68b4852b13bdc6928dd7836c785c0bcd2db4d80597a9d751ec891a348aa4639dae1cc327edf779a57da6afd2514c6cb
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/RhQ:AEwVs+0jNDY1qi/qZm
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/2436-3-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2436-18-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2436-55-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2436-57-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2436-78-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 2284 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" 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/files/0x0008000000016f02-10.dat upx behavioral1/memory/2284-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2436-3-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2436-18-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2284-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2436-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2436-57-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-68.dat upx behavioral1/memory/2436-78-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2284-79-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe File opened for modification C:\Windows\java.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe File created C:\Windows\java.exe 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.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 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2436 wrote to memory of 2284 2436 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 31 PID 2436 wrote to memory of 2284 2436 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 31 PID 2436 wrote to memory of 2284 2436 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 31 PID 2436 wrote to memory of 2284 2436 2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe"C:\Users\Admin\AppData\Local\Temp\2fc79a6e8dc4dc836610ffed85e3c091bb9bf97de3e6ea167ab2dbf23a8d0391.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436 -
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:2284
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD5f1c04b43f30258b9ac1ef019e4123d9b
SHA19215ddb886caa426e04b90b5dfcf3f548f20873b
SHA256155b36cc904bcfa9b98e4e0a2521f8398dd10eb8aaf3a54be5b633abf0ed42f8
SHA512ae4a2d900698ad0716f039ac43ebfb2e15c4d8172b8d1a61a37d599864c771e00c49d54fd8e78c9832c85d073602de86a81d44c6e8dd2fe626ab859d353ccb69
-
Filesize
320B
MD5956e99dc02c0effcbf701daa5b00134b
SHA18b2e46b5f750ad5bd01bcaf4a099397e6874a075
SHA2564f9cfba9fda5e550e96088c2d0f32d986011629c810400da057a62b16d22fda0
SHA512648bd38937706762667d8386e6cb7265d966c4691282b8fba5302612ada811b28bd171a1fc44000862f8411d342877850b38f1282404db7b9fdfcf6f1e822196
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2