ramnit | d22a89c5a7013815f32dd0b14d2af2bbf39c75776611476197a201586c0184b1

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 13:26

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General

Target

d22a89c5a7013815f32dd0b14d2af2bbf39c75776611476197a201586c0184b1.dll
Size

148KB
MD5

5e4d5b45b83a9ab9e9f5cd08795ea46f
SHA1

a57a953861e5af5892e151e34c8091cfc94354bc
SHA256

d22a89c5a7013815f32dd0b14d2af2bbf39c75776611476197a201586c0184b1
SHA512

cb4de9fc72db04766c64b5c4428c2d87c0ff1c5c380682140c40d7f2877eb291cd14a7c8ba016b226557d7d6c25669395e76e34d7235a3681381a9530766e3e7
SSDEEP

3072:235TQRLOyPfmwGpEyL1jPtxqgP2QA+ctjHMdkFR:yKN3mwgLZtEgP2QZcxMu

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
1456	rundll32mgr.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1456-141-0x0000000000400000-0x000000000042C1D8-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1456	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
1812	1456	WerFault.exe	84

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2280	2808	rundll32.exe	83
PID 2808 wrote to memory of 2280	2808	rundll32.exe	83
PID 2808 wrote to memory of 2280	2808	rundll32.exe	83
PID 2280 wrote to memory of 1456	2280	rundll32.exe	84
PID 2280 wrote to memory of 1456	2280	rundll32.exe	84
PID 2280 wrote to memory of 1456	2280	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d22a89c5a7013815f32dd0b14d2af2bbf39c75776611476197a201586c0184b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d22a89c5a7013815f32dd0b14d2af2bbf39c75776611476197a201586c0184b1.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1456
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 10168
      4⤵
      Program crash
      PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1456 -ip 1456
1⤵
PID:1096

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TMB5D7.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

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

Filesize
97KB

MD5
ef5dc2521333fb418bd5518f1db3fd08

SHA1
3d5e8d6dbf09a599f674fe9d6c1d736b0c31cb70

SHA256
75bfc7c1f54f2579541c35f721a6bbd9083c7208bd989624ceb25f16bd03afbe

SHA512
8768e95f5539dc61350f552d575c683e20e000f41283701c9c5f393da40975a02a7d432374c72565f3e1848266ee94e20d905f62b849f91f3c956b7980d87882

Download Submit
memory/1456-137-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1456-138-0x0000000002020000-0x000000000204D000-memory.dmp

Filesize
180KB

Download
memory/1456-140-0x00000000776F0000-0x0000000077893000-memory.dmp

Filesize
1.6MB

Download
memory/1456-141-0x0000000000400000-0x000000000042C1D8-memory.dmp

Filesize
176KB

Download
memory/1456-142-0x0000000002020000-0x000000000204D000-memory.dmp

Filesize
180KB

Download
memory/2280-136-0x0000000050900000-0x0000000050928000-memory.dmp

Filesize
160KB

Download