ramnit | 8a416dbae7477f0920112860a124256a4e06aec830113add0129729c0d0d94bb

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
04-01-2025 12:52

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General

Target

JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll
Size

304KB
MD5

79c7fc6e9730a9dfdbe1db100e1f40e3
SHA1

65fd51e361f4d6176b6e728e96f69f9d0fa02149
SHA256

8a416dbae7477f0920112860a124256a4e06aec830113add0129729c0d0d94bb
SHA512

be3e28bf4856e3c08fb5587eabe50e7807c8be6a34109f52a2db4dc4c6a2ac0ebb51e05a760b217893f52f705cacc8cefe27dd8b8519555a99576206748d7644
SSDEEP

6144:oi7pIJa8jZsxFPWt+g0QPekyswLCwuSr08hKZFXZoMq3f:nr8SjWh0igTx9nXMOf

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
3096	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3096	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/3096-6-0x0000000000400000-0x0000000000483000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	3096	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 4956 wrote to memory of 1780	4956	rundll32.exe	82
PID 4956 wrote to memory of 1780	4956	rundll32.exe	82
PID 4956 wrote to memory of 1780	4956	rundll32.exe	82
PID 1780 wrote to memory of 3096	1780	rundll32.exe	83
PID 1780 wrote to memory of 3096	1780	rundll32.exe	83
PID 1780 wrote to memory of 3096	1780	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79c7fc6e9730a9dfdbe1db100e1f40e3.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 10196
      4⤵
      Program crash
      PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3096 -ip 3096
1⤵
PID:648

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\~TMA42F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
203KB

MD5
342d865e83df9b760c70dedb7c60167e

SHA1
12c0376bb867b4533b1ea8240dd5688067e5fac6

SHA256
859554f496b469f14fb71e1e5b0b73e9e70f9f80fd3f16557003fa24cf87ea26

SHA512
9e85bceee0e8d4b818096ab140510013032c3165aaabc808e9c28cf71182b2155b359c3256a52b14917b15418cd5eae2bb80b920ef18ff74f32df63e9d269a35

Download Submit
memory/1780-1-0x0000000010000000-0x0000000010052000-memory.dmp

Filesize
328KB

Download
memory/3096-5-0x0000000002130000-0x00000000021B3000-memory.dmp

Filesize
524KB

Download
memory/3096-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3096-11-0x0000000002130000-0x00000000021B3000-memory.dmp

Filesize
524KB

Download