MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 71fb5ec5a1424b9965bf487a41e24e04e6cd20fb256b283b8262a6592aa90114. 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: 11
Maldoc score: 13
| SHA256 hash: | 71fb5ec5a1424b9965bf487a41e24e04e6cd20fb256b283b8262a6592aa90114 |
|---|---|
| SHA3-384 hash: | 3e01a21e67424f6d91881c6c911bb7dd85452dc6ea8ba2951f3ad36e1e2439b78b658ca7ebe7066577593109dbf2b2bb |
| SHA1 hash: | 5c90034815dc6faf9d14da1536f05a8a9a1d0f73 |
| MD5 hash: | 6cb632b4c2e9244c36ad740ef8cbfda5 |
| humanhash: | cardinal-alabama-pasta-michigan |
| File name: | Invoice_2457619.xlsm |
| Download: | download sample |
| Signature | Dridex |
| File size: | 337'168 bytes |
| First seen: | 2021-07-27 08:49:53 UTC |
| Last seen: | 2021-07-27 10:03:31 UTC |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 6144:2J8j+sWRo6tcJhv7Bzg+8h6F493OzNStilC7JZygxEjI:2Jw+Zenzdl8OLzNStBigl |
| TLSH | T1CE641249E077C186FE6B107BB9822FC792533C53D6F840B8F734756CC825FAA6AA4116 |
| Reporter |  JAMESWT_WT |
| Tags: | Dridex xlsm |
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: 13 |
OLE dump
MalwareBazaar was able to identify 7 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 422 bytes | PROJECT |
| A2 | 62 bytes | PROJECTwm |
| A3 | 977 bytes | VBA/Sheet1 |
| A4 | 1715 bytes | VBA/ThisWorkbook |
| A5 | 2572 bytes | VBA/_VBA_PROJECT |
| A6 | 515 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 | WorkBook_Open | Runs when the Excel Workbook is opened |
| Suspicious | Environ | May read system environment variables |
| Suspicious | Open | May open a file |
| Suspicious | Output | May write to a file (if combined with Open) |
| Suspicious | Shell | May run an executable file or a system command |
| 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) |
Intelligence
File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_2457619.xlsm
Verdict:
Malicious activity
Analysis date:
2021-07-27 08:53:25 UTC
Tags:
macros macros-on-open loader
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
Detection:
DridexLoader
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file
Creating a process with a hidden window
DNS request
Connection attempt
Launching a process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Image:
Result
Verdict:
MALICIOUS
Link:
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
Dridex
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Found PHP interpreter
Machine Learning detection for sample
Microsoft Office creates scripting files
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Tries to delay execution (extensive OutputDebugStringW loop)
Uses known network protocols on non-standard ports
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
Gathering data
Threat name:
Document-Office.Infostealer.Dridex
Status:
Malicious
First seen:
2021-07-27 02:24:46 UTC
File Type:
Document
Extracted files:
23
AV detection:
11 of 46 (23.91%)
Threat level:
5/5
Result
Malware family:
dridex
Score:
10/10
Tags:
family:dridex botnet:22202 botnet evasion loader macro trojan
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
Office loads VBA resources, possible macro or embedded object present
Checks whether UAC is enabled
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
139.162.202.74:5007
68.183.216.174:7443
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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