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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a44c06f28657c6a4d854bab5a7aa8225320c8dbc54b5bdbea20db9ea667f4e1. 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



ZLoader


Vendor detections: 7


Maldoc score: 5


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 2a44c06f28657c6a4d854bab5a7aa8225320c8dbc54b5bdbea20db9ea667f4e1
SHA3-384 hash: dd4d6f08b9ce7a82d66268afb65760b54b5aaf867779d31d91d32195f354d7b85a45e7ab22f37cc212fc02f40ad3e8a4
SHA1 hash: b8705c8192616662ef4619b7a3c3d9460cafcf94
MD5 hash: 1cc3e4b6508f9438d26e5a751e187eb9
humanhash: nevada-mango-jupiter-hawaii
File name:SecuriteInfo.com.Exploit.Siggen3.4244.9663.17606
Download: download sample
Signature ZLoader
File size:34'304 bytes
First seen:2022-02-19 22:58:48 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 768:oPXk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJeliKUoCdfYBcs:EXk3hbdlylKsgqopeJBWhZFGkE+cL2NV
TLSH T129F2A6E3F6C9AC45CD5803B9486742A0A613FC9557ABD38B3349F71A6F71BD04A0329B
Reporter SecuriteInfoCom
Tags:xlsx ZLoader

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 5
Application name is Microsoft Excel
Office document is in OLE format
OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
324334 bytesWorkbook
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecAuto_OpenRuns when the Excel Workbook is opened
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
516
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2a44c06f28657c6a4d854bab5a7aa8225320c8dbc54b5bdbea20db9ea667f4e1.xlsx
Verdict:
No threats detected
Analysis date:
2022-02-20 01:17:35 UTC
Tags:
macros macros40 generated-doc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros macros-on-open
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Injects code into the Windows Explorer (explorer.exe)
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Potential malicious VBS script found (has network functionality)
Potential malicious VBS script found (suspicious strings)
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.ZLoader
Status:
Malicious
First seen:
2020-12-03 22:02:02 UTC
File Type:
Document
Extracted files:
5
AV detection:
23 of 43 (53.49%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://markens.online/1.php
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments