ramnit | acc944d726c83004ade87e78f6629765eddeaee972de9b0f69bcf9a6cff1330b

Analysis

max time kernel
95s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 05:11

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General

Target

f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll
Size

948KB
MD5

f7772975a5360f3396bc2d6a1c2cb674
SHA1

4d69261a02bff2339b2a7fd976808b4d20f07fdd
SHA256

acc944d726c83004ade87e78f6629765eddeaee972de9b0f69bcf9a6cff1330b
SHA512

1828b63ea08a1f1d2aeef3270ac1b08d6ae2d61cb163a7954ba2f5698a46e3b41b35f82102ba0bd5b8fce42d6c3442583e930c3729f85e77023530237c663d0a
SSDEEP

24576:iD7xopx+JPLwUmQ9oXpnatxznRJz+9V/f0s:iZnPLwUmQ9+pwnRJ1s

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
3312	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
3312	rundll32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3312-6-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/3312-10-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3800	3312	WerFault.exe	84

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 1264 wrote to memory of 1572	1264	rundll32.exe	83
PID 1264 wrote to memory of 1572	1264	rundll32.exe	83
PID 1264 wrote to memory of 1572	1264	rundll32.exe	83
PID 1572 wrote to memory of 3312	1572	rundll32.exe	84
PID 1572 wrote to memory of 3312	1572	rundll32.exe	84
PID 1572 wrote to memory of 3312	1572	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7772975a5360f3396bc2d6a1c2cb674_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1572
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 10176
      4⤵
      Program crash
      PID:3800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3312 -ip 3312
1⤵
PID:2664

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\~TM8CAF.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
177KB

MD5
7c6cea630aa6eefcf1397099bf5711c4

SHA1
4d64f9f7134aa8d58cc68e7915b1cef6a022b4a2

SHA256
20e1b8ee76eba89db86650b0b13c9019b9f4c6d75165c5e1b9cbd1e9bd17ecbe

SHA512
b0136707456fd9a0fbf37e2f073f186dcc214ff75ea7ffd94dc528bed634e02d9656ae63a0f02434228bedb18982b85fcd57e8ae63c0ab466ad80c3de2a1ab4b

Download Submit
memory/1572-1-0x0000000010000000-0x00000000100EF000-memory.dmp

Filesize
956KB

Download
memory/3312-5-0x00000000020F0000-0x000000000215C000-memory.dmp

Filesize
432KB

Download
memory/3312-6-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3312-10-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3312-12-0x00000000020F0000-0x000000000215C000-memory.dmp

Filesize
432KB

Download