ramnit | fc6f41e774a9f8c8333fe856208c94921e503050d2940e1ce5accbb44ad8b80a

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 04:26

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General

Target

f74bd8aec3f00c549c97c61e57e0a5dd_JaffaCakes118.dll
Size

192KB
MD5

f74bd8aec3f00c549c97c61e57e0a5dd
SHA1

20a587e202ef94ca5bbad5a5b9227a70b0f85b70
SHA256

fc6f41e774a9f8c8333fe856208c94921e503050d2940e1ce5accbb44ad8b80a
SHA512

ff7e54758a993825ede42f1a001129c088b49f44bfd4f8362ff3717794288c079b0c4713af92a0cb0a8c56a7d006a1714d6d6acd99e51c879ad4cf321f0a0448
SSDEEP

3072:Fh9zru102aidEwKsBIjucV6X6Gk50Ro6hNvJmkXUfpVq18aqe:vFL2aimsjO0y6hFibq18Re

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
3780	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3780	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/3780-10-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5080	3780	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 548 wrote to memory of 4508	548	rundll32.exe	82
PID 548 wrote to memory of 4508	548	rundll32.exe	82
PID 548 wrote to memory of 4508	548	rundll32.exe	82
PID 4508 wrote to memory of 3780	4508	rundll32.exe	83
PID 4508 wrote to memory of 3780	4508	rundll32.exe	83
PID 4508 wrote to memory of 3780	4508	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f74bd8aec3f00c549c97c61e57e0a5dd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f74bd8aec3f00c549c97c61e57e0a5dd_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 540
      4⤵
      Program crash
      PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3780 -ip 3780
1⤵
PID:5060

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\~TM9124.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
dcd2cafa72c9d5bd898b636a18133d3c

SHA1
b55e85453de9254cbf4c21c0de92d82c6deefccb

SHA256
936b14fbbf629fcf92ac06673d974de2b2a44a109953e6664e1c36a4e5c9d27c

SHA512
59e475f668015b3a6372d79ea6459b21ae591d73305b7696ef139fe0e716f1038595ea5df079e1850535e6358aef4d8e92bdee68ffd07b44471bc7133041952c

Download Submit
memory/3780-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3780-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3780-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4508-0-0x0000000010000000-0x0000000010036000-memory.dmp

Filesize
216KB

Download