ramnit | fd1876ffacd0ca00c4be1b00e460ca2b7256f4a11b6f858975bc617b1a8af72e

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
21-02-2025 14:22

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General

Target

JaffaCakes118_13363905507c67596e0c333e14729a60.dll
Size

4.8MB
MD5

13363905507c67596e0c333e14729a60
SHA1

5e05b622d3b3b6531d6b3ad0a012c73f54d35834
SHA256

fd1876ffacd0ca00c4be1b00e460ca2b7256f4a11b6f858975bc617b1a8af72e
SHA512

bcb0b5385543d767e0418ab301afffc7192229a9c774163f374bacf6edd588d976a1065eb1bb27b58f19871eae53de53b892a8ad37eaeb565f74aa7057b67ad2
SSDEEP

98304:KaTiZ7qe+aOKvp3QZ6/HbS9FugmTw3gvhiWaOuBuJ0Ato4z/ukQ:KaTiZ7qfRmp3QZ6/+9Fu/v0AmWhQ

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
5044	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
5044	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/5044-7-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	5044	WerFault.exe	87

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 416 wrote to memory of 232	416	rundll32.exe	84
PID 416 wrote to memory of 232	416	rundll32.exe	84
PID 416 wrote to memory of 232	416	rundll32.exe	84
PID 232 wrote to memory of 5044	232	rundll32.exe	87
PID 232 wrote to memory of 5044	232	rundll32.exe	87
PID 232 wrote to memory of 5044	232	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13363905507c67596e0c333e14729a60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13363905507c67596e0c333e14729a60.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:232
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:5044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 10176
      4⤵
      Program crash
      PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5044 -ip 5044
1⤵
PID:3956

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

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Downloads

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

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
f8434f362add5334f4f050f4b4b373a7

SHA1
f5915cb0d72c8faffe11126bc29da1b1db8092bc

SHA256
d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b

SHA512
6c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9

Download Submit
memory/232-4-0x0000000006000000-0x00000000064CA000-memory.dmp

Filesize
4.8MB

Download
memory/5044-5-0x0000000002160000-0x000000000218A000-memory.dmp

Filesize
168KB

Download
memory/5044-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5044-11-0x0000000002160000-0x000000000218A000-memory.dmp

Filesize
168KB

Download