ramnit | 3fa72a4845678721ff40545adad36a588f3310f1eea2b17a92a418239cd1ba63

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 23:03

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General

Target

3fa72a4845678721ff40545adad36a588f3310f1eea2b17a92a418239cd1ba63.dll
Size

976KB
MD5

d4c96b73f7595265ecb8093c0ba19ff8
SHA1

3a7edeae6d6d9b3353d581a72f36eb1776b07079
SHA256

3fa72a4845678721ff40545adad36a588f3310f1eea2b17a92a418239cd1ba63
SHA512

ab8242d638667949487ad31bb3ce99bfc78c4a1dc7b6919c11cd5fb69c360fa260498fe0ec07f0385b49b7b5e7fb8836aab7a308102c68a903132a12c45ae626
SSDEEP

24576:pEYLw0LCji87ffZVc4VIhOEtbLWUtVS+p7da0S3II3CeJdU8dYx/RLfVPh:pijiifZVWfssRtS373Cef6tfVPh

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
Ramnit family
ramnit
Executes dropped EXE 1 IoCs

Processes:

rundll32mgr.exe

pid process

4372 rundll32mgr.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32mgr.exe

pid process

4372 rundll32mgr.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe

pid	process
4372	rundll32mgr.exe

pid	process
4372	rundll32mgr.exe

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

Processes:

resource	yara_rule
behavioral2/memory/4372-6-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3904 4372 WerFault.exe rundll32mgr.exe

pid	pid_target	process	target process
3904	4372	WerFault.exe	rundll32mgr.exe

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

Processes:

rundll32.exerundll32mgr.exe

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

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2180 wrote to memory of 4644	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 4644	2180	rundll32.exe	rundll32.exe
PID 2180 wrote to memory of 4644	2180	rundll32.exe	rundll32.exe
PID 4644 wrote to memory of 4372	4644	rundll32.exe	rundll32mgr.exe
PID 4644 wrote to memory of 4372	4644	rundll32.exe	rundll32mgr.exe
PID 4644 wrote to memory of 4372	4644	rundll32.exe	rundll32mgr.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fa72a4845678721ff40545adad36a588f3310f1eea2b17a92a418239cd1ba63.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fa72a4845678721ff40545adad36a588f3310f1eea2b17a92a418239cd1ba63.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 480
      4⤵
      Program crash
      PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4372 -ip 4372
1⤵
PID:5032

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\~TMB94D.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
memory/4372-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4372-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4644-1-0x0000000028260000-0x0000000028354000-memory.dmp

Filesize
976KB

Download