ramnit | ae6c2fa07c3c0416887269a985da04527c7c21b65b00988460e5434e02614c4c

Analysis

max time kernel
257s
max time network
341s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 12:13

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General

Target

ae6c2fa07c3c0416887269a985da04527c7c21b65b00988460e5434e02614c4c.dll
Size

188KB
MD5

05cb26a4d7b8c8eb6b49ae966a7f67ec
SHA1

789b02cc954a56ec14e162d4437b723139ebaf69
SHA256

ae6c2fa07c3c0416887269a985da04527c7c21b65b00988460e5434e02614c4c
SHA512

2b155feb3e42cde3f7e14933f55594c955dac044299889fcdabd9a5effb7ffd042c39e0c376e38d8fa075fd363c1f7a68778cea0411fe3860c01bf228d2316c3
SSDEEP

3072:jn4cV8gf2u41Z5tKlzhDujSdQbnPnSEh22XL/IYpJqhkrkthX759DuI2:L4y8gOl29zkaE7/IYp4kGhrDuv

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

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
4384	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4384-140-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4384	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
3216	4384	WerFault.exe	82

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4284 wrote to memory of 4392	4284	rundll32.exe	80
PID 4284 wrote to memory of 4392	4284	rundll32.exe	80
PID 4284 wrote to memory of 4392	4284	rundll32.exe	80
PID 4392 wrote to memory of 4384	4392	rundll32.exe	82
PID 4392 wrote to memory of 4384	4392	rundll32.exe	82
PID 4392 wrote to memory of 4384	4392	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae6c2fa07c3c0416887269a985da04527c7c21b65b00988460e5434e02614c4c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae6c2fa07c3c0416887269a985da04527c7c21b65b00988460e5434e02614c4c.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 10176
      4⤵
      Program crash
      PID:3216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4384 -ip 4384
1⤵
PID:2852

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMC787.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/4384-137-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4384-139-0x0000000000620000-0x0000000000664000-memory.dmp

Filesize
272KB

Download
memory/4384-140-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4384-141-0x0000000076E70000-0x0000000077013000-memory.dmp

Filesize
1.6MB

Download
memory/4392-136-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download