ramnit | 65f790955c6a7b518a6c50b0ab2dd4b7804f3c83d78545d8961529d9c7c52a3a

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2022 10:53

Target

65f790955c6a7b518a6c50b0ab2dd4b7804f3c83d78545d8961529d9c7c52a3a.dll
Size

188KB
MD5

335b5f55336cca4830862cff9d2bcde0
SHA1

485a56c441f70b4831727c61dd1670a30927b23b
SHA256

65f790955c6a7b518a6c50b0ab2dd4b7804f3c83d78545d8961529d9c7c52a3a
SHA512

7dce3e9136f273abd1c03000d1c42487b415c1ffc2d5fd9fa0ff973cf79d35b60432d554fbf9fc1f6077885c235bedb03d9e66d10cc9c39e2ea927b567cdcb75
SSDEEP

3072:mr4tCk6tMO/CaZ0SbCsQvP1fE2laZ510Zw+HRkXxs:0M+Gla3aBkXxs

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
4916	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/4916-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4916	rundll32mgr.exe

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
2804	4916	WerFault.exe	85

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 2024	5068	rundll32.exe	83
PID 5068 wrote to memory of 2024	5068	rundll32.exe	83
PID 5068 wrote to memory of 2024	5068	rundll32.exe	83
PID 2024 wrote to memory of 4916	2024	rundll32.exe	85
PID 2024 wrote to memory of 4916	2024	rundll32.exe	85
PID 2024 wrote to memory of 4916	2024	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65f790955c6a7b518a6c50b0ab2dd4b7804f3c83d78545d8961529d9c7c52a3a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\65f790955c6a7b518a6c50b0ab2dd4b7804f3c83d78545d8961529d9c7c52a3a.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4916
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 480
      4⤵
      Program crash
      PID:2804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4916 -ip 4916
1⤵
PID:2308

C:\Users\Admin\AppData\Local\Temp\~TM69AB.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

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

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/2024-137-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download
memory/4916-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4916-139-0x0000000000680000-0x00000000006AA000-memory.dmp

Filesize
168KB

Download
memory/4916-140-0x0000000077130000-0x00000000772D3000-memory.dmp

Filesize
1.6MB

Download