ramnit | 85b3ad90ad72bbb9d5af55617b1628403305454ae068667c648778a0007778e1

Analysis

max time kernel
95s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 02:09

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General

Target

JaffaCakes118_6995ee958472d2486d39760b4da42f3d.dll
Size

307KB
MD5

6995ee958472d2486d39760b4da42f3d
SHA1

c116a70d7b0f78503d308242df0e5ac2eb163e43
SHA256

85b3ad90ad72bbb9d5af55617b1628403305454ae068667c648778a0007778e1
SHA512

545438b89ae8f498c2cbc4bb8f788075451b4d635db2ffc2afaf65248dd7101a8c4dd4ad8734b0edaa20de41569c89771e7d723c632d0fa17dfa527a0c3de2a1
SSDEEP

6144:uxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm013:uxGCOXzURlbDC9K69u2m+SqOWcsQQKi/

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
944	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
944	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/944-7-0x0000000000400000-0x0000000000444000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2800	4200	WerFault.exe	82
2828	944	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 728 wrote to memory of 4200	728	rundll32.exe	82
PID 728 wrote to memory of 4200	728	rundll32.exe	82
PID 728 wrote to memory of 4200	728	rundll32.exe	82
PID 4200 wrote to memory of 944	4200	rundll32.exe	83
PID 4200 wrote to memory of 944	4200	rundll32.exe	83
PID 4200 wrote to memory of 944	4200	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6995ee958472d2486d39760b4da42f3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6995ee958472d2486d39760b4da42f3d.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4200
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 10176
      4⤵
      Program crash
      PID:2828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 628
    3⤵
    - Program crash
    PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4200 -ip 4200
1⤵
PID:4752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 944 -ip 944
1⤵
PID:220

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\~TM7A8F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
8b5f2036288762602f2916929b1ab9d8

SHA1
351a0157960c3b009a9814a6e8b7f788ba798988

SHA256
55751df54d8d54e5bb8edab83bd57fd599b2e9aa313233d6aa084cde167e6951

SHA512
41a45bd5ff492cf2a01ad156f763854b1d5371d1a41cee4cad977c4ff25a561c1b3fbb067463e2b7278ac6878af139ff7fd695bed1f5883516a70031e9758bc1

Download Submit
memory/944-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/944-6-0x00000000005B0000-0x00000000005F4000-memory.dmp

Filesize
272KB

Download
memory/944-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/944-13-0x00000000005B0000-0x00000000005F4000-memory.dmp

Filesize
272KB

Download
memory/4200-0-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/4200-11-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download