MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f0790556072df8347f13be4fe3068c743b7a7f0dcefa155b434d8c408ec8d35. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Ramnit


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: 4f0790556072df8347f13be4fe3068c743b7a7f0dcefa155b434d8c408ec8d35
SHA3-384 hash: e467033315aa0f5a8feb923173b8fdb5832d5fef519de13606387dca76312caa55a47d8f64db7c1293eed46b540038e7
SHA1 hash: 39b54fe8a726d7502548356729b7f14793a7c732
MD5 hash: f7f222a9c328b2515e2dffbe62002e2b
humanhash: seventeen-arizona-indigo-saturn
File name:a5c35f00e0bc2bf74ccfbc630e1e1847
Download: download sample
Signature Ramnit
File size:163'721 bytes
First seen:2020-11-17 15:55:34 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 83f3caec82c24928126380687486bacc (1 x Ramnit)
ssdeep 3072:gJybrq6Einslx76rZtpwL2jbyqj/Vyk1he4zrP/z5oiK2/9gKfpJp/:k6sMjrVPekR1
TLSH C5F36B9223F15865D3F225790CE6AF59FFA76BC00536845DB289C58F3D20A4388A1F2F
Reporter seifreed
Tags:ramnit

Intelligence


File Origin
# of uploads :
1
# of downloads :
573
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 320598 Sample: a5c35f00e0bc2bf74ccfbc630e1e1847 Startdate: 19/11/2020 Architecture: WINDOWS Score: 88 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Machine Learning detection for sample 2->35 37 PE file has a writeable .text section 2->37 8 loaddll32.exe 1 2->8         started        process3 process4 10 rundll32.exe 1 8->10         started        14 rundll32.exe 8->14         started        file5 23 C:\Windows\SysWOW64\rundll32mgr.exe, PE32 10->23 dropped 39 Drops executables to the windows directory (C:\Windows) and starts them 10->39 16 rundll32mgr.exe 10->16         started        19 WerFault.exe 20 9 14->19         started        signatures6 process7 signatures8 25 Antivirus detection for dropped file 16->25 27 Multi AV Scanner detection for dropped file 16->27 29 Machine Learning detection for dropped file 16->29 21 WerFault.exe 17 9 16->21         started        process9
Threat name:
Win32.Worm.Ramnit
Status:
Malicious
First seen:
2020-11-17 16:05:03 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Unpacked files
SH256 hash:
4f0790556072df8347f13be4fe3068c743b7a7f0dcefa155b434d8c408ec8d35
MD5 hash:
f7f222a9c328b2515e2dffbe62002e2b
SHA1 hash:
39b54fe8a726d7502548356729b7f14793a7c732
SH256 hash:
3ecb03fdccfda91a7343eae0fb081b652187ab9b0fcc1224d200a8355dfbeed5
MD5 hash:
cc0557c9192a81d0ce80e96b6bcee46c
SHA1 hash:
52b965ef094f55bb45fe985533f4922f988a919b
SH256 hash:
c6d251e20cbf9af4b1e212899b75ec801b45fbceba9bca123f4aa22020daed3e
MD5 hash:
6b0fe33343cb9e6f9eea985762e1f5d7
SHA1 hash:
6afd346f59508b2dcee59a93cc8fee776b1a22dd
Detections:
win_ramnit_g0 win_ramnit_g1 win_ramnit_auto
SH256 hash:
2e774712cc111cd4eb3a59b5a6f58fa2be9080813ed316f75bf99cdc66f60692
MD5 hash:
0fbea7227adab7d43daa5c3d1645bb1d
SHA1 hash:
536b3c19db69d59f55b55e2b79760b7c5fcced6b
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments