MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 55cbb43aad59d149ba4bc06684771b5d87a3f570da165437c4d07d442d4b8db7. 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
Maldoc score: 15
| SHA256 hash: | 55cbb43aad59d149ba4bc06684771b5d87a3f570da165437c4d07d442d4b8db7 |
|---|---|
| SHA3-384 hash: | ee5b4f81cc84b34c21bf579a78a48b06420101ace5cb42289e84d5ab251edd550353c28f1a4308dfbf790f976824bfdd |
| SHA1 hash: | 5e8d4db8464fd6d427d5987ae6cb017ceac13839 |
| MD5 hash: | d89d70ee6809ef93910bfbf10c4caf94 |
| humanhash: | london-twelve-autumn-kilo |
| File name: | 1 Total New Invoices-Thursday January 21 2021.xlsm |
| Download: | download sample |
| Signature | Dridex |
| File size: | 30'937 bytes |
| First seen: | 2021-01-21 11:33:20 UTC |
| Last seen: | 2021-02-11 18:59:38 UTC |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 768:eM+Z7VIawxxxTDJY5kea0NdN6HiLNCq/gqC:nOxItxxx3JYCeDkSCq/gX |
| TLSH | 29D2BF5DD4278C6DC327683FC35914E3E6491062A885F26739A0B67C62C35EB43DF29E |
| Reporter |  stoerchl |
| Tags: | Dridex |
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: 15 |
OLE dump
MalwareBazaar was able to identify 16 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 656 bytes | PROJECT |
| A2 | 128 bytes | PROJECTwm |
| A3 | 5151 bytes | VBA/Module1 |
| A4 | 1409 bytes | VBA/Sheet1 |
| A5 | 991 bytes | VBA/Sheet2 |
| A6 | 991 bytes | VBA/Sheet3 |
| A7 | 999 bytes | VBA/ThisWorkbook |
| A8 | 4000 bytes | VBA/_VBA_PROJECT |
| A9 | 2719 bytes | VBA/__SRP_0 |
| A10 | 401 bytes | VBA/__SRP_1 |
| A11 | 488 bytes | VBA/__SRP_2 |
| A12 | 682 bytes | VBA/__SRP_3 |
| A13 | 530 bytes | VBA/__SRP_4 |
| A14 | 156 bytes | VBA/__SRP_5 |
| A15 | 860 bytes | VBA/dir |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Auto_Open | Runs when the Excel Workbook is opened |
| Suspicious | Run | May run an executable file or a system command |
| Suspicious | Lib | May run code from a DLL |
| Suspicious | URLDownloadToFileA | May download files from the Internet |
| Suspicious | Chr | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | XLM macrosheet | XLM macrosheet found. It could contain malicious code |
Intelligence
File Origin
# of uploads :
67
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5e8d4db8464fd6d427d5987ae6cb017ceac13839.xlsm
Verdict:
Malicious activity
Analysis date:
2021-01-21 11:23:04 UTC
Tags:
macros macros-on-open 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:
True
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a process with a hidden window
DNS request
Creating a file in the %temp% directory
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Result
Threat name:
Dridex
Detection:
malicious
Classification:
bank.expl.evad
Score:
100 / 100
Signature
Detected Dridex e-Banking trojan
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found malware configuration
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Trojan.Logan
Status:
Malicious
First seen:
2021-01-21 11:34:06 UTC
File Type:
Document
Extracted files:
47
AV detection:
9 of 29 (31.03%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
dridex
Score:
10/10
Tags:
family:dridex botnet loader macro ransomware xlm
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Loads dropped DLL
Dridex Loader
Dridex
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: | ach_Dridex_xlsm_20200528_2 |
|---|---|
| Author: | abuse.ch |
| Rule name: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Microsoft_XLSX_with_Macrosheet |
|---|
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| 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
Delivery method
Distributed via e-mail attachment
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