ramnit | f36856cdd886724142fcd0597e0cca4cb748f745b3736c5632cee2f9b1ae40c2

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/09/2026, 04:27

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General

Target
jaffacakes118_f36856cdd886724142fcd0597e0cca4cb748f745b3736c5632cee2f9b1ae40c2.dll
Size 451KB
Sample260928-e2977svckb
SHA256 f36856cdd886724142fcd0597e0cca4cb748f745b3736c5632cee2f9b1ae40c2
MD5 3d099cc9b5045715787c930926bf4e8a
SHA1 4a43d3366b3fa957d9f301c59d8642cf6c2825b0
SHA512 08954a9e68dc4c859fd5d37c9964d69443a094806279a5fc3b0d3b276dba57547d2d2b2c6f107980fec12ada96d8e163cec23ee1f12e3ca5ca36d6d59a8a2018
SSDEEP 6144:DXZdOXszO5uP0AZwgqXKAdBN3VVVnmhhPhssT8GI3LUNOhkWW4gq4VLAZqnoS4NN:rZVzO5rAH2N7lPoaBtgXLAZkoS4n
TLSH
T123A423EA9599E921C040DBB5ACCCDDBAD316BC29D49E17F382243CDF4CFDB852A12190
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

banker discovery ramnit spyware stealer trojan upx worm

Malware Config

Signatures

Family: Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Executes dropped EXE 1 IoCs

pid	Process
2932	rundll32Srv.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4440-0-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/memory/2932-5-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2932-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000187c7-4.dat	upx
behavioral2/memory/4440-9-0x0000000000400000-0x000000000057E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5708	2932	WerFault.exe	89

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	rundll32Srv.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 4440	4788	rundll32.exe	88
PID 4440 wrote to memory of 2932	4440	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f36856cdd886724142fcd0597e0cca4cb748f745b3736c5632cee2f9b1ae40c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_f36856cdd886724142fcd0597e0cca4cb748f745b3736c5632cee2f9b1ae40c2.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 332
      4⤵
      Program crash
      PID:5708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 240 -p 2932 -ip 2932
1⤵
PID:4648

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

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Downloads

rundll32Srv.exe

Path C:\Windows\SysWOW64\rundll32Srv.exe
Size 55KB
SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
MD5 ff5e1f27193ce51eec318714ef038bef
SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
TLSH
T1EA43F2C6AE1903A2DF75053314E4C6B4CBA43C558B737A9EFA50002BFF89463A817F59
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2932-5-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2932-7-0x0000000000400000-0x000000000042E000-memory.dmp

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memory/2932-6-0x0000000002060000-0x000000000206F000-memory.dmp

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memory/4440-0-0x0000000000400000-0x000000000057E000-memory.dmp

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memory/4440-9-0x0000000000400000-0x000000000057E000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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