ramnit | ce013942a8e802231ad39f922cdea139ce9a737ac20c1b48517065ce5e40f206

Analysis

max time kernel
94s
max time network
145s
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 00:19

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General

Target

f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll
Size

237KB
MD5

f667671bdf5170d3e25e0360817082c9
SHA1

a494e7b08af1c47e8eebe41c7d26e53befeda4d7
SHA256

ce013942a8e802231ad39f922cdea139ce9a737ac20c1b48517065ce5e40f206
SHA512

888473c8a527e441b0b126a84294d523902cc0a57b300f828825901e5558cedef1c73d809e9987ab42c60f6d3c2f1df42fd69542a3634035df1febd2290ceaaf
SSDEEP

3072:C+gMajJFHo/W1axo5W1Om0XxZANPIkWVHtXWKn5PMEzhRxfMGAQKKuqCabTJgrqb:PgLH01BGkP0XWQMahR6G9KDqCab1grwz

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
4368	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4368	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/4368-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/4368-6-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4728	4368	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 4844 wrote to memory of 612	4844	rundll32.exe	82
PID 4844 wrote to memory of 612	4844	rundll32.exe	82
PID 4844 wrote to memory of 612	4844	rundll32.exe	82
PID 612 wrote to memory of 4368	612	rundll32.exe	83
PID 612 wrote to memory of 4368	612	rundll32.exe	83
PID 612 wrote to memory of 4368	612	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f667671bdf5170d3e25e0360817082c9_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:612
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 508
      4⤵
      Program crash
      PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4368 -ip 4368
1⤵
PID:864

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\~TMA2A8.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
144KB

MD5
609c9eadac4c1cc48b5f89be6c36e276

SHA1
f047b565fdb73d5b75ffaed7b2faa335e82b3514

SHA256
e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325

SHA512
246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5

Download Submit
memory/612-1-0x0000000075200000-0x0000000075242000-memory.dmp

Filesize
264KB

Download
memory/4368-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4368-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download