ramnit | b1da42e09f4e4e6219f0c4413fceeef373c6da58ad1c5acfd6d7ef8debbca389

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 20:52

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General

Target

107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll
Size

307KB
MD5

107825b7bd56d3fd7ced2683a5f8b25f
SHA1

48644ff0a43635b7a353baf9a37a5c818e7db3da
SHA256

b1da42e09f4e4e6219f0c4413fceeef373c6da58ad1c5acfd6d7ef8debbca389
SHA512

fd79adc95f4f62b790b4e14e7bf981dea34695ebfbc429ddceaa6129070de5cb265ee2c4cb58d542f8079dd55998d92c08d4a5804ce5bb3d58597bb1ccc6ac15
SSDEEP

6144:jxGMku94XCzTurXzURlbDC9K69u2m+SqOWcsQQKiY4leDDGoggH/VREG6j4Gm01D:jxGCOXzURlbDC9K69u2m+SqOWcsQQKiL

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

Executes dropped EXE 1 IoCs

pid	Process
3688	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3688	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/3688-7-0x0000000000400000-0x000000000043B000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2336	3688	WerFault.exe	83
2788	4012	WerFault.exe	82

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 2244 wrote to memory of 4012	2244	rundll32.exe	82
PID 2244 wrote to memory of 4012	2244	rundll32.exe	82
PID 2244 wrote to memory of 4012	2244	rundll32.exe	82
PID 4012 wrote to memory of 3688	4012	rundll32.exe	83
PID 4012 wrote to memory of 3688	4012	rundll32.exe	83
PID 4012 wrote to memory of 3688	4012	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4012
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3688
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 10180
      4⤵
      Program crash
      PID:2336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 628
    3⤵
    - Program crash
    PID:2788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4012 -ip 4012
1⤵
PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3688 -ip 3688
1⤵
PID:1512

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\~TMAAD6.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
94KB

MD5
c9c4a336475a11e54749da86bdcf4a10

SHA1
37d4bdddfce9b9e3b14b9480bbacfbf5842690d8

SHA256
ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1

SHA512
55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982

Download Submit
memory/3688-4-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3688-6-0x0000000002050000-0x000000000208B000-memory.dmp

Filesize
236KB

Download
memory/3688-7-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3688-13-0x0000000002050000-0x000000000208B000-memory.dmp

Filesize
236KB

Download
memory/4012-0-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download
memory/4012-11-0x0000000010000000-0x0000000010054000-memory.dmp

Filesize
336KB

Download