Analysis
-
max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 00:02
Behavioral task
behavioral1
Sample
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
Resource
win10v2004-20241007-en
General
-
Target
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe
-
Size
29KB
-
MD5
3fe6c9bc6e41a0ecd575e1ce87de7900
-
SHA1
783dba63188f6142c1e6201a6b6530b23be1f129
-
SHA256
3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051
-
SHA512
429e95a4440197c45daf122c6a5f9e064263de9fd2155f36a803aba0443255dbc1c72f8cc3c25c65cf9f8d2eb09097c3a575f9d21385d2211e3e77da69acf127
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/2:AEwVs+0jNDY1qi/qu
Malware Config
Signatures
-
Detects MyDoom family 5 IoCs
resource yara_rule behavioral1/memory/1688-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-81-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-85-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/1688-87-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 760 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" 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/1688-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1688-4-0x0000000000260000-0x0000000000268000-memory.dmp upx behavioral1/files/0x0008000000016cf0-7.dat upx behavioral1/memory/760-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/760-20-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-33-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-45-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/760-57-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000c000000016cab-73.dat upx behavioral1/memory/1688-81-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/760-82-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-85-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/760-86-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/760-88-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1688-87-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/760-93-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\java.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe File created C:\Windows\services.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe File opened for modification C:\Windows\java.exe 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.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 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1688 wrote to memory of 760 1688 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 30 PID 1688 wrote to memory of 760 1688 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 30 PID 1688 wrote to memory of 760 1688 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 30 PID 1688 wrote to memory of 760 1688 3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe"C:\Users\Admin\AppData\Local\Temp\3dec331b3c4aa364f1b56a369243e65ba6797f401f5e0f2df094626c19ca8051.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688 -
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:760
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD5674687152643b35444e57285930a67b8
SHA1f9e6bf59f459874c74f27fbd09ff5d314ae58f91
SHA256aff4647c764705947e75d76241c3049755ca9f60601d1130963e91944777103b
SHA512a99dd156e25735ef634798aead0f0d50ebd90b6f8f82ab908097c724f02c81292a7e3a7a6067c0e2dba5c3e531d3a4d1ff8bd6000e26652837a3404956002833
-
Filesize
320B
MD51820a6ec8ad51d31116667cd23e01963
SHA1340390574098a5ce572212c07af3a0b4340d1d56
SHA2563f3de8422827b5dbde8ac277801c27bd416aebe82e09b276d45ac64f02cf3e46
SHA512756379c85996081a7b0a34c1fe99e8b71a29c28208b8f87c8c015fab6d2fc967dc7a9dc9ff0498e5d4c828864c82c4a8d93972d5ee9910086588beed183332f0
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2