ramnit | fbcbe1574f8d48ddfb92a370ba255fba88081de6a286e8edf2f328df388f6bc2

Analysis

max time kernel
95s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 00:51

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General

Target

JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll
Size

215KB
MD5

61aa95e29d278d75803d32718bad21ec
SHA1

2b81433de9f91cb3db9a2f3e12338fd9ec5d4777
SHA256

fbcbe1574f8d48ddfb92a370ba255fba88081de6a286e8edf2f328df388f6bc2
SHA512

88229eb11147e6b6fd86c9d793dd04bc9c11cd3128e438224bc61107e9a7346534ed1ee7c67312a1c71314ace7e5c42f762ab8590ccf9fd4d9e00a9250a4e048
SSDEEP

3072:qb+c2VJOlaFBQ0drWQsXfRExmEueevrKriENURCboAYXVqyHAV2em1YVpxohI:qbJ27FBTlWV6evm1URiohIeA2P9hI

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
4616	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
4616	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/4616-6-0x0000000000400000-0x0000000000469000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1540	4616	WerFault.exe	83
1204	3132	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 440 wrote to memory of 3132	440	rundll32.exe	82
PID 440 wrote to memory of 3132	440	rundll32.exe	82
PID 440 wrote to memory of 3132	440	rundll32.exe	82
PID 3132 wrote to memory of 4616	3132	rundll32.exe	83
PID 3132 wrote to memory of 4616	3132	rundll32.exe	83
PID 3132 wrote to memory of 4616	3132	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61aa95e29d278d75803d32718bad21ec.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3132
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 10176
      4⤵
      Program crash
      PID:1540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 632
    3⤵
    - Program crash
    PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3132 -ip 3132
1⤵
PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4616 -ip 4616
1⤵
PID:3724

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\~TM9F6C.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
162KB

MD5
e07b4e7be7e1cdd0ead473e5fe3f713a

SHA1
e6f1a84895090d4a912526183507af35a6fe28d7

SHA256
693897e39710e0ed68036e37fc472c6941af1152e2dfad84c32b88a4ba4b5a08

SHA512
5980170f90c1a0e2a8e041fdf16fa112b9c8435abbc4956d3908a51058b3c9166cccbe764259ac41a461a679a9b50a174c380591ab812ff0813e4b77d8de5a34

Download Submit
memory/3132-0-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/3132-10-0x0000000010000000-0x000000001003B000-memory.dmp

Filesize
236KB

Download
memory/4616-5-0x00000000006D0000-0x0000000000739000-memory.dmp

Filesize
420KB

Download
memory/4616-6-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4616-12-0x00000000006D0000-0x0000000000739000-memory.dmp

Filesize
420KB

Download