ramnit | bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 10:27

Target

bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll
Size

190KB
MD5

1891ac3a1ea2027fafb7a46a9cb09660
SHA1

faf4ad34a4a682ddfc171fb4a507c6818741df8f
SHA256

bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551
SHA512

97d523fca7fb1b839b39b194b1f119f45946961ab3c546682718465f6e5bac4b242f5fe509cb493d280effe978c5eb1bae2ebfdff3fe6cd39e6cdc16a3b937ba
SSDEEP

3072:Zr4tCk6tbO/FaFb5jzL6xmY4mh3TB4xTVTQdA1jLwLD351dOJf6ZMKI3jf54X24G:RMwTVTQmdLw3aL3jfU53M

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
1500	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/1500-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1500	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
4364	1500	WerFault.exe	80

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 3960	3520	rundll32.exe	79
PID 3520 wrote to memory of 3960	3520	rundll32.exe	79
PID 3520 wrote to memory of 3960	3520	rundll32.exe	79
PID 3960 wrote to memory of 1500	3960	rundll32.exe	80
PID 3960 wrote to memory of 1500	3960	rundll32.exe	80
PID 3960 wrote to memory of 1500	3960	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bca597d383fc8d31d0d3e4fbbdd7d29a1020497e4b9d57b944eae5e033da1551.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1500
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 524
      4⤵
      Program crash
      PID:4364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1500 -ip 1500
1⤵
PID:632

C:\Users\Admin\AppData\Local\Temp\~TM68F0.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/1500-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1500-139-0x0000000002170000-0x000000000219A000-memory.dmp

Filesize
168KB

Download
memory/1500-140-0x00000000773C0000-0x0000000077563000-memory.dmp

Filesize
1.6MB

Download
memory/3960-137-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download