ramnit | 8fe7d762a1af83eab4b192468450b56c6b3841eeb2152e0c8aeac5b844679c53

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 17:20

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General

Target

JaffaCakes118_06400ae47fed1374f83aec7625342932.dll
Size

314KB
MD5

06400ae47fed1374f83aec7625342932
SHA1

2e9dd83df81b9c785b6bfaace192565f06912f65
SHA256

8fe7d762a1af83eab4b192468450b56c6b3841eeb2152e0c8aeac5b844679c53
SHA512

732425734bcdf5f0e350adeb1fe5e9e2f510a50e8dd91ea36a0bc1a4179c8b5a674551ff9662f6dd8a18564625df55880b66505bf39080344a934e2f1ac2316b
SSDEEP

6144:FMJOWK4l0wqOVq1Kwfxibt8T2t9Mv/mWGLRsV2:F2OWK4llHwfYyTGMv/m1GV2

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
2624	rundll32mgr.exe

Loads dropped DLL 1 IoCs

pid	Process
2624	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/2624-9-0x0000000000400000-0x0000000000468000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3452	2624	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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 652	5072	rundll32.exe	83
PID 5072 wrote to memory of 652	5072	rundll32.exe	83
PID 5072 wrote to memory of 652	5072	rundll32.exe	83
PID 652 wrote to memory of 2624	652	rundll32.exe	84
PID 652 wrote to memory of 2624	652	rundll32.exe	84
PID 652 wrote to memory of 2624	652	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06400ae47fed1374f83aec7625342932.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06400ae47fed1374f83aec7625342932.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:652
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2624
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 10180
      4⤵
      Program crash
      PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2624 -ip 2624
1⤵
PID:64

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\~TM9952.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

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

Filesize
163KB

MD5
c8b1f715192e0e340d54b8fac428eb44

SHA1
7a77163f8d073ecd2b98cc832d2e70719850beb1

SHA256
60767adaadd87b2220096918365c352c24092807d4e5d42bffadaceeb6136923

SHA512
9438c4c284b1a125a64bf5953365a6e0b46dd59649d01447861cfdfebd65989a523bc31654101ff8a2d53ed4f2dbf90c79468f2141bacf738a8ed0c7a92da11f

Download Submit
memory/652-0-0x0000000010000000-0x0000000010053000-memory.dmp

Filesize
332KB

Download
memory/2624-6-0x0000000002210000-0x0000000002278000-memory.dmp

Filesize
416KB

Download
memory/2624-9-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download