ramnit | 813d45c8d57ee598071f97ef1278b851fc3b8ed94442bebe62486c6d419a19c2

Analysis

max time kernel
104s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2025, 03:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_b945859384156f77ae5b54c9d5ad5b10.dll
Size

533KB
MD5

b945859384156f77ae5b54c9d5ad5b10
SHA1

a2359c1d0d3e0b506550de81a8eda077b7d7f9d8
SHA256

813d45c8d57ee598071f97ef1278b851fc3b8ed94442bebe62486c6d419a19c2
SHA512

6869ef0bcde179e3d4862b4b827d760fb74fdbedb4e897313fdfc9d59bd4c3647570ebdd4db95f4dfc3106305905a1fa383e9f2fb6aa578704c19957f1deac91
SSDEEP

12288:bh8fZLyb9PzVMBC/HVMOp4PkxHLCYwZckMQMN31W5t:b8F+Pzr/Hfp4MIYwZckMQmFq

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
3564	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3564	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
behavioral1/memory/3564-7-0x0000000000400000-0x000000000043D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5596	3564	WerFault.exe	88

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 368 wrote to memory of 1720	368	rundll32.exe	86
PID 368 wrote to memory of 1720	368	rundll32.exe	86
PID 368 wrote to memory of 1720	368	rundll32.exe	86
PID 1720 wrote to memory of 3564	1720	rundll32.exe	88
PID 1720 wrote to memory of 3564	1720	rundll32.exe	88
PID 1720 wrote to memory of 3564	1720	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b945859384156f77ae5b54c9d5ad5b10.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b945859384156f77ae5b54c9d5ad5b10.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 10176
      4⤵
      Program crash
      PID:5596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3564 -ip 3564
1⤵
PID:4212

Network

MITRE ATT&CK Enterprise v16

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\~TM50B0.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
98KB

MD5
ea9c9b928f365368f2a022749319fa4c

SHA1
7e26b0f275f808cfb56aa02458565293e406b79e

SHA256
3db586a1340f3075f360391e7b723dad93dfa273659e82cb696e63c13277697e

SHA512
1cb7a84ae61cd340dd27eac44a1cfbbcf713c261c6315d1a46594f8492b3b203ef388b1d46f1e740ac7f012786d38670ec95e49aaaa7ae8cb26fe3d34569602c

Download Submit
memory/1720-0-0x0000000010000000-0x000000001008B000-memory.dmp

Filesize
556KB

Download
memory/3564-4-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3564-6-0x00000000020B0000-0x00000000020ED000-memory.dmp

Filesize
244KB

Download
memory/3564-7-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3564-12-0x00000000020B0000-0x00000000020ED000-memory.dmp

Filesize
244KB

Download