ramnit | cc7a7826c474c87255c1df1dc73f64e386b50455dd95886381f212b0e4d51751

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 23:13

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General

Target

e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll
Size

216KB
MD5

e8ba0aa2da54a167d0e59cf65b081efc
SHA1

7ce0a359d4401d06f34dbdbd21b3f2464d897ccc
SHA256

cc7a7826c474c87255c1df1dc73f64e386b50455dd95886381f212b0e4d51751
SHA512

65c4267861b1aefccba6dc5d5ceb44cff4de4cba61ac942d533e7574f94d337551ed7f5af3a37fe3c4371d246ca2a4b74be9539488550e605f37299942a054a5
SSDEEP

6144:vOp8HpzdQOStKnq49cw5DCQ0+0FNfR4zfJhL90:vOp8Hpz7q4CMv907fO9hLG

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
4920	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4920	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/4920-10-0x0000000000400000-0x0000000000432000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	4920	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 1852 wrote to memory of 2456	1852	rundll32.exe	82
PID 1852 wrote to memory of 2456	1852	rundll32.exe	82
PID 1852 wrote to memory of 2456	1852	rundll32.exe	82
PID 2456 wrote to memory of 4920	2456	rundll32.exe	83
PID 2456 wrote to memory of 4920	2456	rundll32.exe	83
PID 2456 wrote to memory of 4920	2456	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8ba0aa2da54a167d0e59cf65b081efc_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 10168
      4⤵
      Program crash
      PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4920 -ip 4920
1⤵
PID:3416

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\~TM69B6.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
117KB

MD5
26e925a9ddef3d6c0f13461b82e06bd7

SHA1
2a0d5afc0dc7d59fa953d4f78bcfe19233128b60

SHA256
7ca8bf265410bdb56b129456edf27098b99f0244cd01cc040e071094483b8ab7

SHA512
7012088a2db4a40122dfae9e0ed6c10e3bebfc6cb5172f4c6def0723aa984f7a79722ab995063dfb775470382614c726e5e36fdee8512ed216207e110eaceedd

Download Submit
memory/2456-0-0x0000000007000000-0x0000000007038000-memory.dmp

Filesize
224KB

Download
memory/4920-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4920-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4920-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download