MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be. 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


Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be
SHA3-384 hash: 650ce84639807dd9913ffd10b3ef966b19fb7e3acaa660b94864851152c9fd8146658c2e19ab59bcb503ab51dccd002d
SHA1 hash: 07d6349c60aabca12c95d4417413881d2d2d72d9
MD5 hash: 4fc335703cfb06c1c8e82b3faa80f8d0
humanhash: oklahoma-eight-pennsylvania-mockingbird
File name:virussign.com_4fc335703cfb06c1c8e82b3faa80f8d0
Download: download sample
File size:864'256 bytes
First seen:2022-07-13 14:09:40 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 7fecbc4a16a5dc85a5394a1df6217680
ssdeep 12288:bFqi2VC1J7Zs7a5zchr46CIfsyZmGyYCqeCtacRCudA3VtsFfq6D8Mkx:bUi2C1JdoiEdmGyYujcYIAb
Threatray 13'065 similar samples on MalwareBazaar
TLSH T18905E011B5E3C472D0F201B5490ADB3A9A7BB8504678A8737BE60FCE4E78791FB17252
TrID 34.0% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
25.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
13.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter KdssSupport
Tags:dll


Avatar
KdssSupport
Uploaded with API

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/287089/
Detection(s):
Win.Trojan.Ramnit-1847
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Creating a window
Searching for the window
Creating a file in the %temp% directory
Creating a file in the Program Files subdirectories
Launching a process
Unauthorized injection to a recently created process
Searching for the browser window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe greyware packed
Link:
https://www.filescan.io/uploads/62ced26101fde6ede680189c/reports/91e7236c-ef63-4c6e-9586-50d89a152935/overview
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.
Malware family:
Ramnit
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4304f829-2a8c-4505-b450-2b26eb331174
Detection:
ramnit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be/
Threat name:
Win32.Worm.Ramnit
Create hunting rule
Status:
Malicious
First seen:
2015-09-11 23:41:41 UTC
File Type:
PE (Dll)
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg3eunkbaozbxdl7fpv3mkjdwxblyt37ts5fdf74es25q2oagk7a._file
Verdict:
malicious
Similar samples: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 13'055 additional samples on MalwareBazaar
Result
Malware family:
ramnit
Create hunting rule
Score:
  10/10
Tags:
family:ramnit banker spyware stealer trojan upx worm
Link:
https://tria.ge/reports/220713-rgprzsehem/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in System32 directory
Loads dropped DLL
Executes dropped EXE
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Ramnit
Unpacked files
SH256 hash:
6057d87753daee3c71eb8c0d3cb8582ea88d6e56f02864019db9fd7af3fb4a9f
MD5 hash:
651defc532f0e72be60621696aa97972
SHA1 hash:
43176a96322202fc8fd8901c213fde820d005871
Detections:
win_ramnit_g1
Create hunting rule
win_ramnit_auto
Create hunting rule
Link:
https://www.unpac.me/results/0b5c6005-6ecf-46e5-b330-97f30faf2e06/
Parent samples :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 hash:
52695130591e18e727c4ebbff4c4bc4536f7f8bc974fed82403befc3d1d04d11
MD5 hash:
28fc1caac191e80963d3b039a7f69ba0
SHA1 hash:
052335e9c1240d3ebd2cb2b621e6cf64fa24ca74
Link:
https://www.unpac.me/results/0b5c6005-6ecf-46e5-b330-97f30faf2e06/
SH256 hash:
81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be
MD5 hash:
4fc335703cfb06c1c8e82b3faa80f8d0
SHA1 hash:
07d6349c60aabca12c95d4417413881d2d2d72d9
Link:
https://www.unpac.me/results/0b5c6005-6ecf-46e5-b330-97f30faf2e06/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be

File information

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

Web download

DLL dll 81b64a354103b21b8d7f2bebb62923b5c2bc4f7f9cba5197fc24b5d869c032be

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/287089/

Comments