ramnit | 8b505299323ffaedaf6d84b1484f16af395f4b9500c7d96e55df4e0b9473156d

Analysis

max time kernel
140s
max time network
152s
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, 10:43

Target

8b505299323ffaedaf6d84b1484f16af395f4b9500c7d96e55df4e0b9473156d.dll
Size

192KB
MD5

3049446006fbc5a4d58889908b3894d0
SHA1

86e43433f2f16758780c54601f45b10980288a76
SHA256

8b505299323ffaedaf6d84b1484f16af395f4b9500c7d96e55df4e0b9473156d
SHA512

89220a764ebaebc7d00f385ea2020d695ddd26ab05b6b9f1078d1c0341ef7faa50f17eb74b53f0c6f1818f89348bf2befa34fafb106d06f245ef3b05b0e2a40d
SSDEEP

3072:Zr4tCk6tYO/yNabBHDNTX8VdIWohToh+ohvodoEuJKHdwlBo4HErlq3MYKT8GNSd:RMV6TZsQyGyqCWfz3ogQ

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
1496	rundll32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/1496-138-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1496	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
1060	1496	WerFault.exe	85

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4624	4628	rundll32.exe	83
PID 4628 wrote to memory of 4624	4628	rundll32.exe	83
PID 4628 wrote to memory of 4624	4628	rundll32.exe	83
PID 4624 wrote to memory of 1496	4624	rundll32.exe	85
PID 4624 wrote to memory of 1496	4624	rundll32.exe	85
PID 4624 wrote to memory of 1496	4624	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b505299323ffaedaf6d84b1484f16af395f4b9500c7d96e55df4e0b9473156d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b505299323ffaedaf6d84b1484f16af395f4b9500c7d96e55df4e0b9473156d.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1496
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 480
      4⤵
      Program crash
      PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1496 -ip 1496
1⤵
PID:3292

C:\Users\Admin\AppData\Local\Temp\~TM9CC2.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/1496-138-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1496-139-0x0000000000580000-0x00000000005AA000-memory.dmp

Filesize
168KB

Download
memory/1496-140-0x0000000077250000-0x00000000773F3000-memory.dmp

Filesize
1.6MB

Download
memory/4624-137-0x0000000050590000-0x00000000505C3000-memory.dmp

Filesize
204KB

Download