MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f. 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


Sliver


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f
SHA3-384 hash: a4f3b08abf3dcba99e608d01b8b86e4c3430da454642552689b230e2288bd09503fd70ac79a3aaf23169de31fef2e2ba
SHA1 hash: 8c057b611fbdd0d9fcf5aa6e4163a5ed2e724c44
MD5 hash: 6b9e707cfa378c9fee43d111666a02c8
humanhash: tennis-violet-friend-maryland
File name:Voicemail.xll
Download: download sample
Signature Sliver
Create hunting rule
File size:16'384 bytes
First seen:2023-10-27 15:49:12 UTC
Last seen:Never
File type:Excel file xll
MIME type:application/x-dosexec
imphash 8b7d6f218f07082b5df448bc58285040 (16 x Sliver)
ssdeep 192:6O9i9WajDN4RSTJV76vSvc9OJO4C7JJ+3VZhHPU4Xixgv4e/0HWujZho7oYr7Ah:ti9lnN4ReV2vF0JOZ+Z0vjZhuFr7C
Threatray 1 similar samples on MalwareBazaar
TLSH T17C724A2EBF97477CC969917482F38F35F6F9F02012124B6E86F4D7365E68A24D32A508
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:sliver xll

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Win64.Alien.cew.23266.12722.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Office Add-Ins - Suspicious
Link:
https://app.docguard.net/b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
alien anti-debug cmd lolbin shell32
Link:
https://www.filescan.io/uploads/653bdc2fb38131f117a96c04/reports/770726bc-8281-4843-a554-3f5eac40ee79/overview
Verdict:
Suspicious
Labled as:
Trojan.Win64.Alien
Link:
https://www.hybrid-analysis.com/sample/b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f
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.
Score:
34%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-10-27 15:50:07 UTC
File Type:
PE+ (Dll)
AV detection:
10 of 23 (43.48%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w53xhjk55sk65mn3inxyxz6xokjo3oueqe2u32gogdgmah4s6uhq._file
Verdict:
unknown
Similar samples:
b5ace22540c22f88955711b17922f7027001e451b67e570d359ec83e863fd201
Sliver
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/231027-s9x5hafe3t/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Loads dropped DLL
Downloads MZ/PE file
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://botfusion1-8f4913f37609.herokuapp.com/314904/doc2?hash=AgADBh
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:Find_Any_Xll_Files
Create hunting rule
Author:David Ledbetter @Ledtech3
Description:Find Any XLL File
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)

File information

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

Malspam

Sliver

Excel file xll b77773a55dec95eeb1bb436f8be7d77292edba8481354de8ce30ccc01f92f50f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments