ramnit | 8f784b08c60d8ac62fd3302b3e88e1cd36f0ce8c426d74066bdd29ffbc8e1989

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 20:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f784b08c60d8ac62fd3302b3e88e1cd36f0ce8c426d74066bdd29ffbc8e1989N.dll
Size

248KB
MD5

b15cbc69ae6d678bc84abbc24b49d520
SHA1

3da46cf17425de150429612eeec038771465866f
SHA256

8f784b08c60d8ac62fd3302b3e88e1cd36f0ce8c426d74066bdd29ffbc8e1989
SHA512

a17269c318f63371561b2ae90e3114af8f0b0824e53a96538d5af1c97a17262d0c28d08394cad70067f6dc88282f2b8bd3cd69dda6a5f1a847ca58eca29c187c
SSDEEP

3072:taEZWj7MjLm4xNq5qg606u9YKuGmUKGOtdnVF8SYbQRtKX3lywX98qsQI+AXn:f2tvKXLViSYeKXVyl8I+AXn

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

pid	Process
3268	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3268	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3268-5-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/3268-6-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	3268	WerFault.exe	83

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 1916 wrote to memory of 2616	1916	rundll32.exe	82
PID 1916 wrote to memory of 2616	1916	rundll32.exe	82
PID 1916 wrote to memory of 2616	1916	rundll32.exe	82
PID 2616 wrote to memory of 3268	2616	rundll32.exe	83
PID 2616 wrote to memory of 3268	2616	rundll32.exe	83
PID 2616 wrote to memory of 3268	2616	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f784b08c60d8ac62fd3302b3e88e1cd36f0ce8c426d74066bdd29ffbc8e1989N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f784b08c60d8ac62fd3302b3e88e1cd36f0ce8c426d74066bdd29ffbc8e1989N.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3268
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 540
      4⤵
      Program crash
      PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3268 -ip 3268
1⤵
PID:4500

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~TM809A.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/2616-1-0x000000002EC60000-0x000000002EC9E000-memory.dmp

Filesize
248KB

Download
memory/3268-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3268-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download