ramnit | 376e4ad5272438890f0120699bfec0921a7a953b7fb578997cd27cea691f0e4e

Analysis

max time kernel
87s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 21:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

376e4ad5272438890f0120699bfec0921a7a953b7fb578997cd27cea691f0e4e.dll
Size

828KB
MD5

07c5bc9c3b14aa979213ceeb26d2fecc
SHA1

3fc83525fe1361726d976b4c4c1976d0d7fd24ab
SHA256

376e4ad5272438890f0120699bfec0921a7a953b7fb578997cd27cea691f0e4e
SHA512

ae9512bde5be4d4a7cf00390e1bfe7db33f69518238dbf81a708bf22c2c2ddf0aa0037bfa84baa59da02ee38a420c29bc8bf54f41c44555bce762578b5648198
SSDEEP

24576:mzb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwPq9f5cP:mzbKsUmjtcdPGgIwPq9f6P

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
4616	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4616-141-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4616	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
4664	4616	WerFault.exe	85

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 4280	644	rundll32.exe	84
PID 644 wrote to memory of 4280	644	rundll32.exe	84
PID 644 wrote to memory of 4280	644	rundll32.exe	84
PID 4280 wrote to memory of 4616	4280	rundll32.exe	85
PID 4280 wrote to memory of 4616	4280	rundll32.exe	85
PID 4280 wrote to memory of 4616	4280	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\376e4ad5272438890f0120699bfec0921a7a953b7fb578997cd27cea691f0e4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\376e4ad5272438890f0120699bfec0921a7a953b7fb578997cd27cea691f0e4e.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:4616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 10188
      4⤵
      Program crash
      PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4616 -ip 4616
1⤵
PID:452

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~TMF37D.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
169KB

MD5
335f0aeb047ac7782090828b5d4fa10e

SHA1
73355b1c843bec7be94b0a39efb5ff3b1b4ee547

SHA256
6df4c841c30d414cfee93573963036abfd669627081705c6a0d9e65fd6846f53

SHA512
635d1e473a0f2cebad020f80e211b55bcb12742ddde1e65db182b077c8873f639b491ab8d11a6781095cf16729e03f93696514de72b58efad8157fad3ff399f1

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
169KB

MD5
335f0aeb047ac7782090828b5d4fa10e

SHA1
73355b1c843bec7be94b0a39efb5ff3b1b4ee547

SHA256
6df4c841c30d414cfee93573963036abfd669627081705c6a0d9e65fd6846f53

SHA512
635d1e473a0f2cebad020f80e211b55bcb12742ddde1e65db182b077c8873f639b491ab8d11a6781095cf16729e03f93696514de72b58efad8157fad3ff399f1

Download Submit
memory/4280-136-0x0000000005000000-0x00000000050D4000-memory.dmp

Filesize
848KB

Download
memory/4616-137-0x00000000020E0000-0x000000000214B000-memory.dmp

Filesize
428KB

Download
memory/4616-139-0x0000000077B50000-0x0000000077CF3000-memory.dmp

Filesize
1.6MB

Download
memory/4616-140-0x0000000077B50000-0x0000000077CF3000-memory.dmp

Filesize
1.6MB

Download
memory/4616-141-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4616-142-0x0000000077B50000-0x0000000077CF3000-memory.dmp

Filesize
1.6MB

Download