ramnit | 3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301

Analysis

max time kernel
148s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:02

Target

051213af97fcdf92b7b5ba28afbbd9f2.dll
Size

212KB
MD5

051213af97fcdf92b7b5ba28afbbd9f2
SHA1

0766d7aa82315d5a9db4a49d25811f92f03f5603
SHA256

3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301
SHA512

f1e703c810a8e242efaa690807e7853a5ec8b6fba85d547159f9e85de2d6034549cf1d24bcd44c72ef5ce5416238464b6b5568580652587dfbac58d2fd276ceb
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYaV9H+ujN2TXhBn62BVHyKeQqw:hKZp3KNjVGvaVAmk562/HypQx

Score

10^/10

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Executes dropped EXE 1 IoCs

pid	Process
1048	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1048	rundll32mgr.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/1048-7-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4048	1048	WerFault.exe	93

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 1416	4036	rundll32.exe	89
PID 4036 wrote to memory of 1416	4036	rundll32.exe	89
PID 4036 wrote to memory of 1416	4036	rundll32.exe	89
PID 1416 wrote to memory of 1048	1416	rundll32.exe	93
PID 1416 wrote to memory of 1048	1416	rundll32.exe	93
PID 1416 wrote to memory of 1048	1416	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 10176
      4⤵
      Program crash
      PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1048 -ip 1048
1⤵
PID:3680

C:\Users\Admin\AppData\Local\Temp\~TMC83D.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/1048-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1048-6-0x00000000004E0000-0x0000000000524000-memory.dmp

Filesize
272KB

Download
memory/1048-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1048-11-0x0000000077B22000-0x0000000077B24000-memory.dmp

Filesize
8KB

Download
memory/1048-12-0x0000000077B22000-0x0000000077B23000-memory.dmp

Filesize
4KB

Download
memory/1048-15-0x00000000004E0000-0x0000000000524000-memory.dmp

Filesize
272KB

Download
memory/1416-1-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download