MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0186ed5e1eeb88d98e6d8686e0ed26ed76f8dec80ef3fd1bf3f366aac87f44b2. 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: 23


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 0186ed5e1eeb88d98e6d8686e0ed26ed76f8dec80ef3fd1bf3f366aac87f44b2
SHA3-384 hash: 0eeaded21a040cf4e93af65ef776fe774346659230c015f70661196a24a25c7e8073b6a110444960e09c74393118e8d7
SHA1 hash: 2e1fc20428890f9fca07f995f6095527d90d497e
MD5 hash: 5a1bb3891c09bb59e95f0ff47e8ec3db
humanhash: mockingbird-charlie-march-mississippi
File name:Copy of Invoice 522967.xlsm
Download: download sample
Signature Dridex
File size:163'150 bytes
First seen:2021-03-24 16:51:44 UTC
Last seen:2021-03-24 19:17:08 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:Bfl2DyY6fmsTyH36B5o2cSLgV1MX5a8zxoBINtQ2IhX05v6q2ck4PPrB3Tl:BfgsT0qBLLgUXFWINXCkv68nrVl
TLSH 95F31284D1768C5DDB77247F2B5640853EA82C93A3D1248D3A46FB94772343B036E9AF
Reporter abuse_ch
Tags:Dridex xlsm


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtprelay.hostedemail.com
Sending IP: 216.40.44.205
From: Capital Ventilation Systems Limited <service@capitalventilation.ca>
Subject: Fwd:Order failed to charge 522967
Attachment: Copy of Invoice 522967.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: 23
OLE dump

MalwareBazaar was able to identify 33 sections in this file using oledump:

Section IDSection sizeSection name
A197 bytesNULVnwUbNkN_SGK_XEyZipfl/CompObj
A2280 bytesNULVnwUbNkN_SGK_XEyZipfl/VBFrame
A338 bytesNULVnwUbNkN_SGK_XEyZipfl/f
A40 bytesNULVnwUbNkN_SGK_XEyZipfl/o
A5969 bytesPROJECT
A6449 bytesPROJECTwm
A72867 bytesVBA/NULVnwUbNkN_SGK_XEyZipfl
A8991 bytesVBA/Sheet1
A94689 bytesVBA/TMyvV_Dn_U
A101551 bytesVBA/ThisWorkbook
A111866 bytesVBA/UavnzBdMAhaNiJGlDyaqHF
A127184 bytesVBA/_VBA_PROJECT
A132808 bytesVBA/__SRP_0
A14178 bytesVBA/__SRP_1
A15362 bytesVBA/__SRP_2
A16356 bytesVBA/__SRP_3
A17214 bytesVBA/__SRP_4
A18206 bytesVBA/__SRP_5
A19170 bytesVBA/__SRP_6
A20156 bytesVBA/__SRP_7
A211323 bytesVBA/dir
A224658 bytesVBA/eNEcbZdGCRj__Mh_VizCyO
A234149 bytesVBA/fYID_tbJCc_NvuB
A242358 bytesVBA/hftvIPLxJ_Gv_Zk_B__HviQWRRSEpc
A2597 byteseNEcbZdGCRj__Mh_VizCyO/CompObj
A26278 byteseNEcbZdGCRj__Mh_VizCyO/VBFrame
A2738 byteseNEcbZdGCRj__Mh_VizCyO/f
A280 byteseNEcbZdGCRj__Mh_VizCyO/o
A2997 bytesfYID_tbJCc_NvuB/CompObj
A30297 bytesfYID_tbJCc_NvuB/VBFrame
A31102 bytesfYID_tbJCc_NvuB/f
A3215892 bytesfYID_tbJCc_NvuB/o
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
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
SuspiciousOpenMay open a file
SuspiciousPutMay write to a file (if combined with Open)
SuspiciousBinaryMay read or write a binary file (if combined with Open)
SuspiciousrunMay run an executable file or a system command
SuspiciousCreateMay execute file or a system command through WMI
SuspiciousShowWindowMay hide the application
SuspiciousGetObjectMay get an OLE object with a running instance
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousXorMay 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)

Intelligence


File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Copy of Invoice 522967.xlsm
Verdict:
Malicious activity
Analysis date:
2021-03-24 16:55:56 UTC
Tags:
macros macros-on-open

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:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the Windows subdirectories
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
WMI Functionality
Detected a macro that leverages Windows Management Instrumentation (WMI) functionality.
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:
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with base64 encoded strings
Document contains an embedded VBA with many randomly named variables
Found malware configuration
Machine Learning detection for dropped file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Packed.Generic
Status:
Suspicious
First seen:
2021-03-24 16:52:12 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:dridex botnet:111 botnet evasion loader macro trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Checks whether UAC is enabled
Loads dropped DLL
Blocklisted process makes network request
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
131.100.24.231:443
162.144.34.234:6601
5.189.181.107:2303
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Dridex

Excel file xlsm 0186ed5e1eeb88d98e6d8686e0ed26ed76f8dec80ef3fd1bf3f366aac87f44b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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