ramnit | fabf3d9d084d36a645ef3d4dce907a3897565bdd77d6342f6411ba0562a13530

Analysis

max time kernel
132s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 12:04

Target

fabf3d9d084d36a645ef3d4dce907a3897565bdd77d6342f6411ba0562a13530.dll
Size

245KB
MD5

0bf9976689d89f73bc595f8823def820
SHA1

d4e17d1c931c7b3877e3f3463d2f4189e01c3518
SHA256

fabf3d9d084d36a645ef3d4dce907a3897565bdd77d6342f6411ba0562a13530
SHA512

097f5a5c5857ee5af685bb8a24d96014b5abaff20d7b8a63bd0bf78c0193834d50531b52532e9a20e1e354ae8558aa3da9b29e2d405cd0b549aa08e7ada72414
SSDEEP

3072:AnMoFkOKCg3CXmSSZlzgeBTg4vRPo5NNFs+XNtUU/chmcFTulOVq5pNZ7/kthazQ:AMJOWK4l0wqOVq1Z7/kjavacdaZlNb

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
1632	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/1632-138-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1632	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
2820	1632	WerFault.exe	82

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 3480	4180	rundll32.exe	81
PID 4180 wrote to memory of 3480	4180	rundll32.exe	81
PID 4180 wrote to memory of 3480	4180	rundll32.exe	81
PID 3480 wrote to memory of 1632	3480	rundll32.exe	82
PID 3480 wrote to memory of 1632	3480	rundll32.exe	82
PID 3480 wrote to memory of 1632	3480	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fabf3d9d084d36a645ef3d4dce907a3897565bdd77d6342f6411ba0562a13530.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fabf3d9d084d36a645ef3d4dce907a3897565bdd77d6342f6411ba0562a13530.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3480
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 10176
      4⤵
      Program crash
      PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1632 -ip 1632
1⤵
PID:4404

C:\Users\Admin\AppData\Local\Temp\~TM901F.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
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/1632-138-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1632-139-0x0000000002090000-0x00000000020D4000-memory.dmp

Filesize
272KB

Download
memory/1632-140-0x0000000077DC0000-0x0000000077F63000-memory.dmp

Filesize
1.6MB

Download
memory/3480-137-0x0000000010000000-0x0000000010042000-memory.dmp

Filesize
264KB

Download