ramnit | 54d5ee4a19ec454c2850b177ed974f5d3b6ffcbecd0f1622e7cf331e67047c5a

Analysis

max time kernel
94s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 00:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll
Size

232KB
MD5

3a92779f3987f2a870dccf69e02a30b1
SHA1

886caff0edd127e2c8fd8740cbfd8dd7bd22dfca
SHA256

54d5ee4a19ec454c2850b177ed974f5d3b6ffcbecd0f1622e7cf331e67047c5a
SHA512

296af926ef017543cf2bc77b1d716189b93348e09c6154d259457a27294f08a7aef0c9099073cd7d29f2c7f438f75690022dc030120002b432264a64f9a9aa59
SSDEEP

3072:MiJQeQYiE6Zp0Glt9bnYNd/KG0DdFcXRrB5XUsI1FhCBA++KdVTyb+6VmC:RJQpTlt9L4BP05OBteIn+KvySC

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
1580	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1580	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/1580-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4664	1580	WerFault.exe	84

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 4656 wrote to memory of 348	4656	rundll32.exe	83
PID 4656 wrote to memory of 348	4656	rundll32.exe	83
PID 4656 wrote to memory of 348	4656	rundll32.exe	83
PID 348 wrote to memory of 1580	348	rundll32.exe	84
PID 348 wrote to memory of 1580	348	rundll32.exe	84
PID 348 wrote to memory of 1580	348	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a92779f3987f2a870dccf69e02a30b1.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1580
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 468
      4⤵
      Program crash
      PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1580 -ip 1580
1⤵
PID:1212

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\~TM596A.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
144KB

MD5
609c9eadac4c1cc48b5f89be6c36e276

SHA1
f047b565fdb73d5b75ffaed7b2faa335e82b3514

SHA256
e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

SHA512
246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

Download Submit
memory/348-1-0x0000000010000000-0x000000001003A000-memory.dmp

Filesize
232KB

Download
memory/1580-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1580-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download