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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7efd1141f6d4858cd381b53fabdb2906a0a23c1329dbae42327aeda63c934dfb. 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



Dridex


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 7efd1141f6d4858cd381b53fabdb2906a0a23c1329dbae42327aeda63c934dfb
SHA3-384 hash: 1c242601310e2ba0b80358c718117617bfa51d7716baa48a4cb4ee2ceb5c273c3ccbc370586288537ef9e381d2e1e2c6
SHA1 hash: 7034cd5a8fb78c201bfeae534c301029c2150bfe
MD5 hash: 2ac8e068af04acae7b07a376b1adcf57
humanhash: wisconsin-may-diet-bravo
File name:08676789691.xlsm
Download: download sample
Signature Dridex
File size:147'380 bytes
First seen:2021-12-01 23:25:32 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:wBO0LEWcTxAw3g1M16TguaNTLGmtLfJ3hN8DqH9999999HqT99999999WnsAGanJ:wBO0L23b+kLGmxfJ3hNci3Ohd4
TLSH T160E3125BC7B1D832CAAB6C7E920F7F532587BA178BC22503E947D59C4141F6603D48D9
Reporter GovCERT_CH
Tags:Dridex xlsm

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
08676789691.xlsm
Verdict:
No threats detected
Analysis date:
2021-12-01 23:27:51 UTC
Tags:
macros40

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.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a file
Creating a process with a hidden window
Launching a process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros-on-open mshta
Result
Threat name:
Hidden Macro 4.0 Dridex Downloader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Contains functionality to create processes via WMI
Creates and opens a fake document (probably a fake document to hide exploiting)
Creates processes via WMI
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Found malicious Excel 4.0 Macro
Found obfuscated Excel 4.0 Macro
Found protected and hidden Excel 4.0 Macro sheet
Multi AV Scanner detection for submitted file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious MSHTA Process Patterns
Sigma detected: TA505 Dropper Load Pattern
Yara detected Dridex Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 532305 Sample: 08676789691.xlsm Startdate: 02/12/2021 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for submitted file 2->29 31 Found malicious Excel 4.0 Macro 2->31 33 Sigma detected: TA505 Dropper Load Pattern 2->33 35 8 other signatures 2->35 7 EXCEL.EXE 27 24 2->7         started        11 WmiPrvSE.exe 2->11         started        process3 file4 21 C:\Users\user\Desktop\~$08676789691.xlsm, data 7->21 dropped 23 C:\Users\user\...\08676789691.xlsm (copy), Microsoft 7->23 dropped 25 C:\ProgramData\SKZbt.rtf, HTML 7->25 dropped 37 Creates and opens a fake document (probably a fake document to hide exploiting) 7->37 13 WMIC.exe 1 7->13         started        16 mshta.exe 11->16         started        signatures5 process6 dnsIp7 39 Creates processes via WMI 13->39 19 conhost.exe 13->19         started        27 157.230.250.107, 49825, 8080 DIGITALOCEAN-ASNUS United States 16->27 signatures8 process9
Threat name:
Document-Word.Trojan.Heuristic
Status:
Malicious
First seen:
2021-12-01 17:26:50 UTC
File Type:
Document
Extracted files:
18
AV detection:
7 of 45 (15.56%)
Threat level:
  2/5
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 registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Blocklisted process makes network request
Process spawned unexpected child process
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Microsoft_XLSX_with_Macrosheet
Rule name:Microsoft_XLSX_with_Macrosheet

File information


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

Malspam

Dridex

Excel file xlsm 7efd1141f6d4858cd381b53fabdb2906a0a23c1329dbae42327aeda63c934dfb

(this sample)

  
Dropped by
Dridex
  
Delivery method
Distributed via e-mail attachment

Comments