ramnit | 3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 14:08

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General

Target

JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll
Size

212KB
MD5

051213af97fcdf92b7b5ba28afbbd9f2
SHA1

0766d7aa82315d5a9db4a49d25811f92f03f5603
SHA256

3fe3a7ff5e1efc3dee23575e2c18709224975dcc1a2bf34da50f6c45dc866301
SHA512

f1e703c810a8e242efaa690807e7853a5ec8b6fba85d547159f9e85de2d6034549cf1d24bcd44c72ef5ce5416238464b6b5568580652587dfbac58d2fd276ceb
SSDEEP

3072:wgKKuiX63bw5dNjDh8pWVgTlFIYaV9H+ujN2TXhBn62BVHyKeQqw:hKZp3KNjVGvaVAmk562/HypQx

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
3132	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3132	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/3132-7-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	3132	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 1808 wrote to memory of 3136	1808	rundll32.exe	83
PID 1808 wrote to memory of 3136	1808	rundll32.exe	83
PID 1808 wrote to memory of 3136	1808	rundll32.exe	83
PID 3136 wrote to memory of 3132	3136	rundll32.exe	84
PID 3136 wrote to memory of 3132	3136	rundll32.exe	84
PID 3136 wrote to memory of 3132	3136	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051213af97fcdf92b7b5ba28afbbd9f2.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 10176
      4⤵
      Program crash
      PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3132 -ip 3132
1⤵
PID:3184

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\~TM7E77.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/3132-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3132-6-0x00000000020C0000-0x0000000002104000-memory.dmp

Filesize
272KB

Download
memory/3132-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3132-12-0x00000000020C0000-0x0000000002104000-memory.dmp

Filesize
272KB

Download
memory/3136-1-0x0000000010000000-0x0000000010037000-memory.dmp

Filesize
220KB

Download