Analysis
-
max time kernel
83s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 11:08
Static task
static1
Behavioral task
behavioral1
Sample
ed7acfe4bd5e3b69d15a2d06c6f89cf30af062a021b556e7355ea705d90a6864.dll
Resource
win7-20240903-en
General
-
Target
ed7acfe4bd5e3b69d15a2d06c6f89cf30af062a021b556e7355ea705d90a6864.dll
-
Size
115KB
-
MD5
7767c61e303b47a3c5a0b059d666b61d
-
SHA1
65eed0f23f922f93f9813f3b8584fbbdd8137831
-
SHA256
ed7acfe4bd5e3b69d15a2d06c6f89cf30af062a021b556e7355ea705d90a6864
-
SHA512
7ae3d7567506a2b563962f2b1555c99ca5c013d1bbed256e4f261f7b4f7a372c1d68d8b6c1b0ac671d148c41e32566e1eaef5fb159f1e00476af57711dc2f4ed
-
SSDEEP
3072:nfo79dM9i3Kff/immNiwXFNxyJdZVkw8pMYecSdknQTSEPh:nfo7HM9iafHJmNiwXFGdnxDxbZh
Malware Config
Signatures
-
Ramnit family
-
Executes dropped EXE 1 IoCs
pid Process 2768 rundll32mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 2700 rundll32.exe 2700 rundll32.exe 2768 rundll32mgr.exe 2768 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral1/memory/2768-12-0x0000000000400000-0x000000000042A000-memory.dmp upx behavioral1/memory/2768-20-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Program crash 2 IoCs
pid pid_target Process procid_target 2688 2700 WerFault.exe 31 2392 2768 WerFault.exe 32 -
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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2664 wrote to memory of 2700 2664 rundll32.exe 31 PID 2700 wrote to memory of 2768 2700 rundll32.exe 32 PID 2700 wrote to memory of 2768 2700 rundll32.exe 32 PID 2700 wrote to memory of 2768 2700 rundll32.exe 32 PID 2700 wrote to memory of 2768 2700 rundll32.exe 32 PID 2700 wrote to memory of 2688 2700 rundll32.exe 33 PID 2700 wrote to memory of 2688 2700 rundll32.exe 33 PID 2700 wrote to memory of 2688 2700 rundll32.exe 33 PID 2700 wrote to memory of 2688 2700 rundll32.exe 33
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ed7acfe4bd5e3b69d15a2d06c6f89cf30af062a021b556e7355ea705d90a6864.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ed7acfe4bd5e3b69d15a2d06c6f89cf30af062a021b556e7355ea705d90a6864.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 1804⤵
- Program crash
PID:2392
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 2243⤵
- Program crash
PID:2688
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
106KB
MD5fe36fb1073e6f8fa14d7250501a29aaf
SHA16c7e01278362797dabcff3e666b68227cb9af10f
SHA256f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6
SHA5128584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f
-
Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
-
Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94