ramnit | 3513cab4f984df205220a9e50a53d0968ff460c10550de7d5c280c971a01eea9

Analysis

max time kernel
90s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 07:59

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General

Target

3513cab4f984df205220a9e50a53d0968ff460c10550de7d5c280c971a01eea9.dll
Size

341KB
MD5

d329b821d607d894ba818d00b9209ab0
SHA1

3745fb48b2d9a9e3eb25b8ba5bb7f3b44754911a
SHA256

3513cab4f984df205220a9e50a53d0968ff460c10550de7d5c280c971a01eea9
SHA512

ba096260793b148330ad3bec79b0dcb66f507995baf64143a7a7e67591f400c22689c64c173243b79258e9637f05ca9d86d369199fb62a32fd9fdeb06535818e
SSDEEP

6144:v4cxYvM5/RpXOulA8laDXM3EtSUJ4HY9MB:v4c+vsJlJCSk4b

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
2864	rundll32mgr.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2864-139-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/2864-143-0x0000000000400000-0x000000000045D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2864	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 4540	4960	rundll32.exe	19
PID 4960 wrote to memory of 4540	4960	rundll32.exe	19
PID 4960 wrote to memory of 4540	4960	rundll32.exe	19
PID 4540 wrote to memory of 2864	4540	rundll32.exe	40
PID 4540 wrote to memory of 2864	4540	rundll32.exe	40
PID 4540 wrote to memory of 2864	4540	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3513cab4f984df205220a9e50a53d0968ff460c10550de7d5c280c971a01eea9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3513cab4f984df205220a9e50a53d0968ff460c10550de7d5c280c971a01eea9.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4540
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2864

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMAA3F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
152KB

MD5
13b0b973df652583e2f639781ec928ec

SHA1
8d68f06941b54ae0786dc5ba466c7f8990a9f259

SHA256
947efa1a53023625267aec1181a91a82ba5e6e332a4a66e1c6f82774659b4ebe

SHA512
dc015951b9c05cdb0dd5214bed41e00323601c7447aa52dd984fc1c26435b54d8a912fa747ab6db5c6ff2a38c946a910c8373072c6a963244411959722daaba4

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

Filesize
152KB

MD5
13b0b973df652583e2f639781ec928ec

SHA1
8d68f06941b54ae0786dc5ba466c7f8990a9f259

SHA256
947efa1a53023625267aec1181a91a82ba5e6e332a4a66e1c6f82774659b4ebe

SHA512
dc015951b9c05cdb0dd5214bed41e00323601c7447aa52dd984fc1c26435b54d8a912fa747ab6db5c6ff2a38c946a910c8373072c6a963244411959722daaba4

Download Submit
memory/2864-139-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2864-141-0x0000000000B90000-0x0000000000C5D000-memory.dmp

Filesize
820KB

Download
memory/2864-143-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2864-142-0x0000000000460000-0x0000000000470000-memory.dmp

Filesize
64KB

Download
memory/4540-140-0x0000000010000000-0x0000000010059000-memory.dmp

Filesize
356KB

Download