ramnit | 9a05b07f87c522569eb70b4f2e0cd77285f0958013563b3974cdef40d183ea7c

Analysis

max time kernel
94s
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
20/01/2025, 22:18

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General

Target
JaffaCakes118_0050e4a92ebade2e92e78d785a7b4f69.dll
Size 212KB
Sample250120-177vxsslbz
SHA256 9a05b07f87c522569eb70b4f2e0cd77285f0958013563b3974cdef40d183ea7c
MD5 0050e4a92ebade2e92e78d785a7b4f69
SHA1 2460212b3d514d21bd71e8f90effd5bef4e0b98f
SHA512 1d6570a18d6d94253b79375f1dbaa1057b44430a8b2ac5700522a7575bb18447237fbde355966084ca5c75913e58e28a66fd329ad257f688846cfc21501639f4
SSDEEP 3072:wgKKuiX63bw5dNjDh8pWVgTlFIYaQhLw77x+mwRzFCVbSX+8slAdqCxA3wWT:hKZp3KNjVGvaeLwXxKRe8Ucq93RT
MD5 SHA1 SHA512 SSDEEP

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
4888	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4888	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/4888-7-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
348	4888	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 2124 wrote to memory of 3892	2124	rundll32.exe	83
PID 2124 wrote to memory of 3892	2124	rundll32.exe	83
PID 2124 wrote to memory of 3892	2124	rundll32.exe	83
PID 3892 wrote to memory of 4888	3892	rundll32.exe	84
PID 3892 wrote to memory of 4888	3892	rundll32.exe	84
PID 3892 wrote to memory of 4888	3892	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0050e4a92ebade2e92e78d785a7b4f69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0050e4a92ebade2e92e78d785a7b4f69.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3892
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 10180
      4⤵
      Program crash
      PID:348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4888 -ip 4888
1⤵
PID:4564

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

~TMACCA.tmp

Path C:\Users\Admin\AppData\Local\Temp\~TMACCA.tmp
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

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rundll32mgr.exe

Path C:\Windows\SysWOW64\rundll32mgr.exe
Size 94KB
SHA256 55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951
MD5 8b5f2036288762602f2916929b1ab9d8
SHA1 351a0157960c3b009a9814a6e8b7f788ba798988
SHA512 41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1
SSDEEP 1536:R2iAx9tTrvqoCSrZOEUoEUd1nIC1hvYE/QVn2RCvsniyXlpAlo1eh+cy:RGvF1nIIYT2IKDm1hvy
MD5 SHA1 SHA512 SSDEEP

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memory/3892-1-0x0000000010000000-0x0000000010037000-memory.dmp

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memory/4888-4-0x0000000000400000-0x0000000000444000-memory.dmp

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memory/4888-6-0x00000000020E0000-0x0000000002124000-memory.dmp

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memory/4888-7-0x0000000000400000-0x0000000000444000-memory.dmp

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memory/4888-12-0x00000000020E0000-0x0000000002124000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads