ramnit | b0f76e340b6503aef5b1878bd20d104b0c246af7eab9e644937cceb7e3e93b48

Analysis

max time kernel
187s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 01:59

Target

b0f76e340b6503aef5b1878bd20d104b0c246af7eab9e644937cceb7e3e93b48.dll
Size

139KB
MD5

b3dfd0a4e19d54be103773ec96de3bd0
SHA1

9c9f2d31fa8f844a2b2fc7604f74b4f56fe99292
SHA256

b0f76e340b6503aef5b1878bd20d104b0c246af7eab9e644937cceb7e3e93b48
SHA512

1ce1ea21d9517e208579e2fd8e4c8fcee5c42af35f902855b74997d8d17cbc26f6272903d6dc4daafd9725413c677c0d0c1bc4da22d8793787e19294acb8bd25
SSDEEP

3072:BFVpKlgNfbGQ+9NR6veyFyEwgTyJnc6QkDzbb1+0Mm2:PPKO4R8eydyJnfQk3sJm2

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
552	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/552-137-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
552	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
2052	552	WerFault.exe	84

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2908	1180	rundll32.exe	83
PID 1180 wrote to memory of 2908	1180	rundll32.exe	83
PID 1180 wrote to memory of 2908	1180	rundll32.exe	83
PID 2908 wrote to memory of 552	2908	rundll32.exe	84
PID 2908 wrote to memory of 552	2908	rundll32.exe	84
PID 2908 wrote to memory of 552	2908	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f76e340b6503aef5b1878bd20d104b0c246af7eab9e644937cceb7e3e93b48.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f76e340b6503aef5b1878bd20d104b0c246af7eab9e644937cceb7e3e93b48.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:552
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 516
      4⤵
      Program crash
      PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 552 -ip 552
1⤵
PID:3980

C:\Users\Admin\AppData\Local\Temp\~TM33A3.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/552-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/552-138-0x0000000000580000-0x00000000005AA000-memory.dmp

Filesize
168KB

Download
memory/552-140-0x0000000077A80000-0x0000000077C23000-memory.dmp

Filesize
1.6MB

Download
memory/2908-133-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

Download