ramnit | 298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16e

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 02:08

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General

Target

298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll
Size

665KB
MD5

1c8fd6b1587bb64b6ed0f029c8127bb0
SHA1

0863ff4eb35215e84917cfc30568cb5fd9d7103b
SHA256

298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16e
SHA512

fae5de875d8c38ec3be0c285e33b8375c841af833d08675685a481806ee4dbb57a51b962df2c1f5d591bb0f84d5568c1f4f962ae98e11084c8abfa4d0be40676
SSDEEP

12288:/h8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMNev7TTBuWYC1zhkW7l05:/8F+Pzr/Hfp4MIYwZckMQmcqMzh/g

Score

10^/10

ramnit banker discovery 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
1028	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1028	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1028-7-0x0000000000400000-0x0000000000481000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1536	1028	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4060	3516	rundll32.exe	84
PID 3516 wrote to memory of 4060	3516	rundll32.exe	84
PID 3516 wrote to memory of 4060	3516	rundll32.exe	84
PID 4060 wrote to memory of 1028	4060	rundll32.exe	86
PID 4060 wrote to memory of 1028	4060	rundll32.exe	86
PID 4060 wrote to memory of 1028	4060	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\298d92edcdcc877baa3f24b70fd6b1268a8db6f2436f32fb2038c0b03e74e16eN.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4060
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 10176
      4⤵
      Program crash
      PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1028 -ip 1028
1⤵
PID:512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM7F13.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
230KB

MD5
b42f5caf5d8471c34605faac7f278571

SHA1
8baf865dee9f3011fb467afe0f22cfd5bb5c5d47

SHA256
38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c

SHA512
2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44

Download Submit
memory/1028-5-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1028-6-0x0000000002240000-0x00000000022C1000-memory.dmp

Filesize
516KB

Download
memory/1028-7-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1028-12-0x0000000002240000-0x00000000022C1000-memory.dmp

Filesize
516KB

Download
memory/4060-0-0x0000000010000000-0x00000000100AC000-memory.dmp

Filesize
688KB

Download