ramnit | 9dad60c581a9a5d2520a4a90c7d70b2c61a7876feda1a07c06caadb3e45dcc53

Analysis

max time kernel
105s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
13/04/2025, 06:16

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General

Target

JaffaCakes118_b3cb5188c67c6286a156a340bce08e60.dll
Size

244KB
MD5

b3cb5188c67c6286a156a340bce08e60
SHA1

7e28ed940d3e635f655b24a9f23c0088c144a393
SHA256

9dad60c581a9a5d2520a4a90c7d70b2c61a7876feda1a07c06caadb3e45dcc53
SHA512

ad5c09b898a635361cd5c315fe11af3e259c684e5590fb25fdf85ac5d1437c81e05dacef524cc800a544246abff27b469bd3b5e1dafc6e03858f089103b8f080
SSDEEP

3072:w0x7OzOBdr4BAzzidkHOXa4B3hSvXl3EYWVFcQKW5iBsm6YXpSLqd+BNjQi1SRrj:b7O6zMBAzHaYUIQ58sm64pzd+fjT+

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
1100	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
1100	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
behavioral1/memory/1100-9-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4756	1668	WerFault.exe	85
5608	1100	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 5568 wrote to memory of 1668	5568	rundll32.exe	85
PID 5568 wrote to memory of 1668	5568	rundll32.exe	85
PID 5568 wrote to memory of 1668	5568	rundll32.exe	85
PID 1668 wrote to memory of 1100	1668	rundll32.exe	87
PID 1668 wrote to memory of 1100	1668	rundll32.exe	87
PID 1668 wrote to memory of 1100	1668	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3cb5188c67c6286a156a340bce08e60.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3cb5188c67c6286a156a340bce08e60.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 444
      4⤵
      Program crash
      PID:5608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 608
    3⤵
    - Program crash
    PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1668 -ip 1668
1⤵
PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1100 -ip 1100
1⤵
PID:2916

Network

MITRE ATT&CK Enterprise v16

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\~TM8B96.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
168KB

MD5
abd2017fdcc7d6a6e093bd4000c0612f

SHA1
307da947fc3be1e5c4dd56bb8434330a8d35c26f

SHA256
45c7f0dc28167e585774c436fdb09c56286389dcfea3e647b7a4218e2a4442b5

SHA512
a00f490a596d19150daead0a5e197140bcdf6fd84a6dd7dda4b5c9bc1eab8846eb3bbae8193eca1ebe4f885a2b0d9c7c9fb95721aae3b3028c5150d85f3a3e10

Download Submit
memory/1100-5-0x0000000002420000-0x0000000002510000-memory.dmp

Filesize
960KB

Download
memory/1100-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1668-0-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/1668-10-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download