ramnit | d4199a9bbb7abbf5d001e8bf26ee6617a63b6f7381b637f601a56208f25f9737

Analysis

max time kernel
93s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 07:40

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General

Target

JaffaCakes118_787c3ee4b448e7124d0f38050ff76580.dll
Size

296KB
MD5

787c3ee4b448e7124d0f38050ff76580
SHA1

8a0ce59c1ec3b0c599ffb921515ba20ffcf12998
SHA256

d4199a9bbb7abbf5d001e8bf26ee6617a63b6f7381b637f601a56208f25f9737
SHA512

acbad10a08718693c89676225230bfbf1a45b697f87624eb56cceabe21fd2f955ed3b62c72fe28dfe7191ad407206bcf554ed1ab98ec04781e67e8f971162e72
SSDEEP

6144:pKZp3KNjVrvvY+MAC7Xw7UISWdR3k8i8Wa:pCxKNjxY+MAyAUfey8Ua

Score

10^/10

ramnit banker discovery spyware stealer trojan 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
3620	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3620	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3712	3620	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 3304 wrote to memory of 2368	3304	rundll32.exe	82
PID 3304 wrote to memory of 2368	3304	rundll32.exe	82
PID 3304 wrote to memory of 2368	3304	rundll32.exe	82
PID 2368 wrote to memory of 3620	2368	rundll32.exe	83
PID 2368 wrote to memory of 3620	2368	rundll32.exe	83
PID 2368 wrote to memory of 3620	2368	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787c3ee4b448e7124d0f38050ff76580.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787c3ee4b448e7124d0f38050ff76580.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 372
      4⤵
      Program crash
      PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3620 -ip 3620
1⤵
PID:1340

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\~TMC043.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
178KB

MD5
db98a90a075816be151bf78a39293e5b

SHA1
8afc5325246accba5adcdd830aa4ff4b101e9983

SHA256
0569be58ce08b5f17c84a3638327edf50aac1a2da68cee63c352f82545e61d66

SHA512
0793d000ad8c151aa06df3e393fdf538faf93e70e479d5c2092ddebd6437a639db27fb8792669aa433a14f07e99b546fe1f36c1bb3a47b37127530bd5252451e

Download Submit
memory/2368-1-0x0000000010000000-0x000000001004C000-memory.dmp

Filesize
304KB

Download
memory/3620-5-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/3620-6-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download