MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74a551c38c3165128be5e8c58766a1c57d38b7183f6c9977cd1eeadce159a00f. 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: 7


Maldoc score: 13


Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash: 74a551c38c3165128be5e8c58766a1c57d38b7183f6c9977cd1eeadce159a00f
SHA3-384 hash: 04e2cac66fc3a11b9119d01f82b8a9cd61a323f6947bd46076dfdbcea7092334d6c97a2e60a9d980949dc5d1bbd53897
SHA1 hash: 86429d5ad991da1773fe4f485f7eea142ab5f00a
MD5 hash: a9571044e94878cf4f9799c033305fb8
humanhash: michigan-single-grey-west
File name:449813_BOL.xlsm
Download: download sample
Signature Dridex
File size:36'723 bytes
First seen:2021-03-15 13:29:50 UTC
Last seen:2021-03-26 15:18:36 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:zB1xIaf9Ld7sgdL5FgiqcJ8ttzr4QKC+iTTrJ7q3r:zB1xvfJigdL5FvqE8ttxTTr9qb
TLSH FCF2D11ED2109C15C12B5939A5A806B4C956C0C48890B77F6F80E91E7287EF35BBEADC
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 12 sections in this file using oledump:

Section IDSection sizeSection name
A1472 bytesPROJECT
A286 bytesPROJECTwm
A35911 bytesVBA/Module1
A4991 bytesVBA/Sheet1
A5999 bytesVBA/ThisWorkbook
A63308 bytesVBA/_VBA_PROJECT
A72052 bytesVBA/__SRP_0
A8371 bytesVBA/__SRP_1
A91411 bytesVBA/__SRP_2
A10824 bytesVBA/__SRP_3
A11560 bytesVBA/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:

TypeKeywordDescription
AutoExecyy_resizeRuns when the file is opened and ActiveX objects trigger events
SuspiciousRunMay run an executable file or a system command
SuspiciousLibMay run code from a DLL
SuspiciousURLDownloadToFileAMay download files from the Internet
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)
SuspiciousXLM macrosheetXLM macrosheet found. It could contain malicious code

Intelligence


File Origin
# of uploads :
217
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
176271_BOL.xlsm
Verdict:
No threats detected
Analysis date:
2021-03-15 13:21:07 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:
Legit
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Document image
Document image
Result
Verdict:
SUSPICIOUS
Details
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
52 / 100
Signature
Document contains an embedded VBA macro with suspicious strings
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Infostealer.Dridex
Status:
Malicious
First seen:
2021-03-15 13:14:33 UTC
File Type:
Document
Extracted files:
35
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
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:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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.

Comments