ramnit | 8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 20:56

Target

8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll
Size

556KB
MD5

05aac05edca095ed3b096e8ccaa22d0a
SHA1

64e69952c8dadefbb77e1373c64f02467a18d527
SHA256

8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc
SHA512

ffcd62065a33b6f6d7e8156c023c81dd23480aec3509f787aa69b8d5a5314dc3add7257e886e0148e5f40518b779fcf37c78b87041aed0ff46ebd6e0fc9c0798
SSDEEP

12288:5hpUrEIZJqr1AkBWwNa5R0EYl795/amaX3QXaPKUoe4VOxj96lN:5/jG01NHXaP94T

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
4204	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/4204-138-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4204	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2888	3416	WerFault.exe	81
392	4204	WerFault.exe	82

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 3416	1300	rundll32.exe	81
PID 1300 wrote to memory of 3416	1300	rundll32.exe	81
PID 1300 wrote to memory of 3416	1300	rundll32.exe	81
PID 3416 wrote to memory of 4204	3416	rundll32.exe	82
PID 3416 wrote to memory of 4204	3416	rundll32.exe	82
PID 3416 wrote to memory of 4204	3416	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ec8cbda4b1c30cf4a7328724f14c4b4999650dd2458572724f35f0574a773fc.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3416
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 10176
      4⤵
      Program crash
      PID:392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 628
    3⤵
    - Program crash
    PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 3416 -ip 3416
1⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4204 -ip 4204
1⤵
PID:4532

C:\Users\Admin\AppData\Local\Temp\~TM7D72.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/3416-137-0x0000000010000000-0x000000001008C000-memory.dmp

Filesize
560KB

Download
memory/4204-138-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4204-139-0x00000000006A0000-0x00000000006E4000-memory.dmp

Filesize
272KB

Download
memory/4204-140-0x0000000076EA0000-0x0000000077043000-memory.dmp

Filesize
1.6MB

Download