ramnit | 4c35e6bde2815207ee758eec9e68b01918d934d8bef3c19c01419c9e43fe0009

Analysis

max time kernel
104s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 11:16

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General

Target

JaffaCakes118_89b6505c47d6e5fc1b39db5a4349ea00.dll
Size

452KB
MD5

89b6505c47d6e5fc1b39db5a4349ea00
SHA1

69cab55d435ebfdaee32d4b820257a08b3ea16dd
SHA256

4c35e6bde2815207ee758eec9e68b01918d934d8bef3c19c01419c9e43fe0009
SHA512

e07c0d3bbfbd50b189bc231e13c6b352a48ee8acae3df0eab370c0f37f68cc3cfc35bdf148c9336bb695b2ab3142e4dcb922dce9e142ce48350fe44e48adce3a
SSDEEP

12288:glVvN1QWguohInJDrn8zwNF7eCrK4Tcdw+vrwF:S2Sxrn80NF77/Sw+vrwF

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
456	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
456	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/456-5-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2512	456	WerFault.exe	86
3372	5840	WerFault.exe	85

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 2956 wrote to memory of 5840	2956	rundll32.exe	85
PID 2956 wrote to memory of 5840	2956	rundll32.exe	85
PID 2956 wrote to memory of 5840	2956	rundll32.exe	85
PID 5840 wrote to memory of 456	5840	rundll32.exe	86
PID 5840 wrote to memory of 456	5840	rundll32.exe	86
PID 5840 wrote to memory of 456	5840	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89b6505c47d6e5fc1b39db5a4349ea00.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89b6505c47d6e5fc1b39db5a4349ea00.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5840
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:456
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 480
      4⤵
      Program crash
      PID:2512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5840 -s 608
    3⤵
    - Program crash
    PID:3372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 456 -ip 456
1⤵
PID:516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5840 -ip 5840
1⤵
PID:5848

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\~TM66D8.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
106KB

MD5
7657fcb7d772448a6d8504e4b20168b8

SHA1
84c7201f7e59cb416280fd69a2e7f2e349ec8242

SHA256
54bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71

SHA512
786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2

Download Submit
memory/456-5-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/5840-1-0x000000007C360000-0x000000007C3D2000-memory.dmp

Filesize
456KB

Download
memory/5840-10-0x000000007C360000-0x000000007C3D2000-memory.dmp

Filesize
456KB

Download