ramnit | c9267e7100d5ad11be8bed773e833b3486441a8bf52d347729916e22c05345f8

Analysis

max time kernel
95s
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
27-01-2025 21:42

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General

Target

JaffaCakes118_43f2784b993ad29c4b3ab1d5d6852c4d.dll
Size

152KB
MD5

43f2784b993ad29c4b3ab1d5d6852c4d
SHA1

f9cd5187929a5fab63c4669cfe3e311c56f5a8f6
SHA256

c9267e7100d5ad11be8bed773e833b3486441a8bf52d347729916e22c05345f8
SHA512

54d49ce6ac13da0f92892c5ecf62d1596bc02474294a80fa2073e3d7bb827177f2316aad561ba777889d3ac280f5eea9c3bfa1708880decde1a9fd48f0ceda23
SSDEEP

3072:QKkvGB5t2mbFyYVHcTR3O0Bolb213QRD9+EctUe:QKkvmzpJLmBolb213QlYrtUe

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/3780-7-0x0000000000400000-0x000000000043D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1368	3780	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 4480 wrote to memory of 1296	4480	rundll32.exe	83
PID 4480 wrote to memory of 1296	4480	rundll32.exe	83
PID 4480 wrote to memory of 1296	4480	rundll32.exe	83
PID 1296 wrote to memory of 3780	1296	rundll32.exe	84
PID 1296 wrote to memory of 3780	1296	rundll32.exe	84
PID 1296 wrote to memory of 3780	1296	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f2784b993ad29c4b3ab1d5d6852c4d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43f2784b993ad29c4b3ab1d5d6852c4d.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1296
- - 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 10180
      4⤵
      Program crash
      PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3780 -ip 3780
1⤵
PID:5036

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\~TM9CCC.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
002830c111e444466b281f881994809d

SHA1
e8ac56fa8fcf590f6eb101d6dabb0962e8e86b68

SHA256
1d76c8bc4d9187f81347b5b123a103d071c9b1d2fa4c1aed87f71db0af9b9bc2

SHA512
e1de349513576a9f37a591d2c5da72c4f263c2aa428e2425bf1f280d10e8f930a7978c77f74de32d090c0082179ff5daa260cd8c8b73e43e5f97b4ed48515d33

Download Submit
memory/1296-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3780-4-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3780-6-0x00000000020B0000-0x00000000020ED000-memory.dmp

Filesize
244KB

Download
memory/3780-7-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3780-12-0x00000000020B0000-0x00000000020ED000-memory.dmp

Filesize
244KB

Download