MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f704326387278c67bfcf84d6e83d3009db438809591160f23329d7b7b3df0f8c. 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: 15


Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash: f704326387278c67bfcf84d6e83d3009db438809591160f23329d7b7b3df0f8c
SHA3-384 hash: 805774a193af7ea2b7868b2035b3d3e28844b7c6536bfa64cb767d56c2a5ca436ad1a72119cad7919363d7abbd3f8d27
SHA1 hash: d0abf0aabbc4d1a32f3e88e6eaf528148e4af5ec
MD5 hash: ed1ae51a3f47e54768591b040c536184
humanhash: utah-solar-seventeen-muppet
File name:SecuriteInfo.com.Heur.3279.32453
Download: download sample
Signature Dridex
File size:56'859 bytes
First seen:2021-01-27 16:12:42 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:zxi6M0IuPXaBzFzwoUmxEOn4u+Ly5WOpc7FqM:z06MJuPKVbKOn4ui7B
TLSH 6A43F26993439814CB238D79F455ACF7D71D26E60FD0E51F26C4B63E02B249F6387198
Reporter SecuriteInfoCom
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 14 sections in this file using oledump:

Section IDSection sizeSection name
A1460 bytesPROJECT
A286 bytesPROJECTwm
A35239 bytesVBA/Module1
A41381 bytesVBA/Sheet1
A5999 bytesVBA/ThisWorkbook
A63165 bytesVBA/_VBA_PROJECT
A72241 bytesVBA/__SRP_0
A8384 bytesVBA/__SRP_1
A9495 bytesVBA/__SRP_2
A10682 bytesVBA/__SRP_3
A11530 bytesVBA/__SRP_4
A12156 bytesVBA/__SRP_5
A13566 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
AutoExecAuto_OpenRuns when the Excel Workbook is opened
SuspiciousRunMay run an executable file or a system command
SuspiciousLibMay run code from a DLL
SuspiciousURLDownloadToFileAMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
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 :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Heur.3279.32453
Verdict:
No threats detected
Analysis date:
2021-01-27 16:14:52 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.openxmlformats-officedocument.spreadsheetml.sheet
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 with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
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:
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)
Found malware configuration
Machine Learning detection for dropped file
Office process drops PE file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Anomaly
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Downloader.SLoad
Status:
Malicious
First seen:
2021-01-27 16:13:05 UTC
AV detection:
7 of 29 (24.14%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro ransomware xlm
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Enumerates physical storage devices
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.

Comments