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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba. 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


BuerLoader


Vendor detections: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba
SHA3-384 hash: 4452c9d41597667042b148a7286cd2b97440dcf6e05e9883c442973b5cb86d9610e34c278f35d343dce75a5e49f15ad2
SHA1 hash: fd164563202f9de52c6f0eba819322398efdb14f
MD5 hash: 5938eec8bed03b1e9f1debc3e949592e
humanhash: florida-helium-comet-pip
File name:Inv847.xls
Download: download sample
Signature BuerLoader
Create hunting rule
File size:305'664 bytes
First seen:2021-01-28 16:36:01 UTC
Last seen:2021-01-29 06:24:15 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:KR//LfqdydGdimyPTnsaUpIRZDq/gXEpqiYNTSV457CyRJASg9RbAgaSrW4rM:o/jSdydGdpyP4aSgagUGdrJAzpAgaSrY
TLSH 4154C2E14C99626FD272F7E28C0AACAD52F9649B4C356AE6B67053C1705028CF70D9CF
Reporter cocaman
Tags:BuerLoader DHL xls ZLoader


Avatar
cocaman
Malicious email (T1566.001)
From: "DHL Parcel <Scott@reviewvillas.com>" (likely spoofed)
Received: "from reviewvillas.com (reviewvillas.com [51.75.41.188]) "
Date: "Thu, 28 Jan 2021 12:35:58 -0800"
Subject: "order 50550035 Parcel"
Attachment: "Invoice864.xls"

Intelligence

File Origin
# of uploads :
3
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inv847.xls
Verdict:
Malicious activity
Analysis date:
2021-01-28 16:38:45 UTC
Tags:
macros loader
Link:
https://app.any.run/tasks/d4649461-70e8-4cde-9618-07db8ac58f13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Detection(s):
Twinwave.EvilDoc.Excel4Biff5PassProtectedBookBurnInHell.20201202.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba/results/dashboard
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/593135
Signature
Antivirus detection for dropped file
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Multi AV Scanner detection for dropped file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba/
Result
Malware family:
buer
Create hunting rule
Score:
  10/10
Tags:
family:buer loader macro xlm
Link:
https://tria.ge/reports/210128-ag9l9qfkxe/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Loads dropped DLL
Executes dropped EXE
Buer Loader
Buer
Malware Config
Dropper Extraction:
http://88.119.175.189/document.ssl
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/22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

BuerLoader

Excel file xls 22a04ec533322f6dbf3a1e99bc9094e6ecf2c7ce9bb2bfaa801cf30ed4aa0aba

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments