Analysis
-
max time kernel
120s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
08-01-2025 15:36
Behavioral task
behavioral1
Sample
c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe
Resource
win10v2004-20241007-en
General
-
Target
c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe
-
Size
29KB
-
MD5
d90c896d4fb76266071a93326fcd1b0f
-
SHA1
c748ecc0ee1426a5141bf2e2de5da1bad645a28d
-
SHA256
c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d
-
SHA512
f509e7e6b542c121f144f219ccce3fd2cced7380c25df09867392954ef4c241c08d5e174ae944eb18cf634eb151919b897da40d4dca77062271c861d6420a570
-
SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/QhA:AEwVs+0jNDY1qi/q4S
Malware Config
Signatures
-
Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2100-15-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2100-54-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
-
Executes dropped EXE 1 IoCs
pid Process 1480 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" c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2100-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2100-4-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x00080000000197fd-7.dat upx behavioral1/memory/2100-15-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1480-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-29-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-41-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-53-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2100-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1480-55-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1480-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x000900000001960c-70.dat upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe File opened for modification C:\Windows\java.exe c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe File created C:\Windows\java.exe c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.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 c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2100 wrote to memory of 1480 2100 c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe 30 PID 2100 wrote to memory of 1480 2100 c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe 30 PID 2100 wrote to memory of 1480 2100 c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe 30 PID 2100 wrote to memory of 1480 2100 c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe"C:\Users\Admin\AppData\Local\Temp\c38892a01dca5ffb233c20905209cfc734c015bf4d1c16d7ee6ba99cb4654d8d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
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:1480
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
29KB
MD5f330954e4db78e6410e88b3c4b833da7
SHA1d4b5c5cc432421e9d0638b8799f48d528bf45b96
SHA256295130b9e4d234cca2aac8de29e32bba46012774107180198e91ce05beb4546a
SHA512328ff27173f93c48714d1db3ea4de7d87153afd121f12a9578170c7c36a0510c031a4996e5c18a82bf5531d2687b05f92b8a3a793b490c670bb2b34fb41e6afc
-
Filesize
320B
MD56ec9bdaf1cb3e5268eb661b233732efa
SHA1d51e3a4a81383b863f8991a1d9b6beb175eb9707
SHA25602340e481b5878e38c7e8a10cc2d2c0005671121b8b6ab5e22cac28ccc151c82
SHA512f1a3ef222e92c9c66fe21e30ec625b372f471e017118be83f0287036d063df0a026c6ee55c8a75e8baff47910c8f0f3c9cc5acec3b95caf60a6ff5ee86c2770d
-
Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2