ramnit | f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e

Analysis

max time kernel
161s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 07:36

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General

Target

f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll
Size

212KB
MD5

09ea734fab5dbea864bf5b52283bbc51
SHA1

57a527b9df7dafef0d9b5fc56deb03715482e2bd
SHA256

f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e
SHA512

3eedbaa07f613757b883d14e0bacb8713744eeab420a68093c5acdc43cf8efa151bce1972561ae996de60f1740c2ea4ed235075d3a0d952c42233a7651990829
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYa+ZG7Td2v4nDn7t1/MyYOiGFVzm5UthMMZG:hKZp3KNjVGvar2v4zRB54GF1mzMZG

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
2352	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2352-140-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2352	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
1744	2352	WerFault.exe	80

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 4044	2316	rundll32.exe	79
PID 2316 wrote to memory of 4044	2316	rundll32.exe	79
PID 2316 wrote to memory of 4044	2316	rundll32.exe	79
PID 4044 wrote to memory of 2352	4044	rundll32.exe	80
PID 4044 wrote to memory of 2352	4044	rundll32.exe	80
PID 4044 wrote to memory of 2352	4044	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1fdb3e82cd424c372387c49d59b5ed728d382f0038c287eb04c3ca5e9a34a2e.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2352
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 10180
      4⤵
      Program crash
      PID:1744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2352 -ip 2352
1⤵
PID:4740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMFD41.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/2352-137-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2352-139-0x0000000002050000-0x0000000002094000-memory.dmp

Filesize
272KB

Download
memory/2352-140-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2352-141-0x0000000077980000-0x0000000077B23000-memory.dmp

Filesize
1.6MB

Download
memory/4044-136-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download