ramnit | 5011d2e67a41eebc4dc0303c1888e86b8637ad110a44745361fa0d38958652f4

Analysis

max time kernel
118s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 02:47

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General

Target

JaffaCakes118_2a3c3868004a1bb90f6aa1fe25e945ce.dll
Size

189KB
MD5

2a3c3868004a1bb90f6aa1fe25e945ce
SHA1

80bcd81ee5bf87b8108a8fd7fb7acccba6aa8dfd
SHA256

5011d2e67a41eebc4dc0303c1888e86b8637ad110a44745361fa0d38958652f4
SHA512

c1f326063589b8096a053279b2f8fc75a54efffaf1a4fd354bda8c6992df4d241b2c743bc5bc6ceb07e07629fc95f52a3f524001561e4612639ab1059069bf08
SSDEEP

3072:z8Ihqytign24lS5YllqiVrZ2ivXAoBUHJBpc2U5h/DbBIV1h8Toyf+3nwYVD+G08:z8Ihq1WCoq+ZZAwUHJBLU5hrijWTzWwu

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
396	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
396	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/396-7-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2744	396	WerFault.exe	87

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 1964 wrote to memory of 2912	1964	rundll32.exe	86
PID 1964 wrote to memory of 2912	1964	rundll32.exe	86
PID 1964 wrote to memory of 2912	1964	rundll32.exe	86
PID 2912 wrote to memory of 396	2912	rundll32.exe	87
PID 2912 wrote to memory of 396	2912	rundll32.exe	87
PID 2912 wrote to memory of 396	2912	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a3c3868004a1bb90f6aa1fe25e945ce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a3c3868004a1bb90f6aa1fe25e945ce.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 10180
      4⤵
      Program crash
      PID:2744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396
1⤵
PID:3272

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\~TMAF94.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
162KB

MD5
6553cd97f30044817c4e52f133f00fff

SHA1
0cb3a2e7d9bfea470943f3155b14021a6be8deb4

SHA256
d808cea19fa170d3cf73c4d877b7fef0b3c20addea83e53a94e7f4df3fcc7d1e

SHA512
e8a41616a056817dffdba13e65f82bb8d93e026d42f4bf1edb85ef84fb388afc7f0e0ab00c4ec0ed3399b14e2844fac2cdba6357f4bd963bde9311419e17a0da

Download Submit
memory/396-6-0x0000000002230000-0x000000000229B000-memory.dmp

Filesize
428KB

Download
memory/396-7-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/396-12-0x0000000002230000-0x000000000229B000-memory.dmp

Filesize
428KB

Download
memory/2912-0-0x0000000002D80000-0x0000000002DB3000-memory.dmp

Filesize
204KB

Download
memory/2912-1-0x0000000002D80000-0x0000000002DB3000-memory.dmp

Filesize
204KB

Download