MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 190b2cdfa53eaab02c24d69923988103a84cd2862c6c9d70a18feebbb3f0bc64. 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


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 190b2cdfa53eaab02c24d69923988103a84cd2862c6c9d70a18feebbb3f0bc64
SHA3-384 hash: 9fd47ffd0eb97a158cb5a2ec7c3171297d648c36392d0ad08ed763f60204f7f70c911dbb66d0f4d8b2f0b6bc6a52a790
SHA1 hash: 94e9f16d09a2031ecd04631782875eb95109dba7
MD5 hash: 6a27e232270583b5c1796cf988d79ee4
humanhash: hydrogen-low-butter-timing
File name:Invoice_78518423.xlsm
Download: download sample
Signature Dridex
File size:91'429 bytes
First seen:2021-07-27 07:57:47 UTC
Last seen:2021-07-27 08:46:20 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:/q21RSfOphVRjnS3+JbP3QymFFjZ+eY9FUb6lf8qNUHcielbkkhKwXMEeEdECgc:/q21RSwhU0mPjHolCcielb7hrXJCCt
TLSH T11793E15CAD4D91EAF9333C3BD209079D185E640AA974F14A2448F34C3EED9A21F9F1E6
Reporter JAMESWT_WT
Tags:CVE-2017-8570 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 10 sections in this file using oledump:

Section IDSection sizeSection name
A1568 bytesPROJECT
A2125 bytesPROJECTwm
A3977 bytesVBA/Sheet1
A4977 bytesVBA/Sheet2
A5977 bytesVBA/Sheet3
A6977 bytesVBA/Sheet4
A71719 bytesVBA/ThisWorkbook
A83010 bytesVBA/_VBA_PROJECT
A9568 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
AutoExecWorkBook_OpenRuns when the Excel Workbook is opened
SuspiciousEnvironMay read system environment variables
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousShellMay run an executable file or a system command
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)

Intelligence


File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/869191622208925709/869213224426426448/Invoice_78518423.xlsm
Verdict:
Malicious activity
Analysis date:
2021-07-26 15:34:47 UTC
Tags:
n/a

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 file
Creating a process with a hidden window
DNS request
Connection attempt
Sending a UDP request
Launching a process
Replacing files
Launching a process by exploiting the app vulnerability
Deleting of the original file
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 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:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found PHP interpreter
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
Behaviour
Behavior Graph:
Gathering data
Threat name:
Document-Office.Exploit.CVE-2017-8570
Status:
Malicious
First seen:
2021-07-27 02:37:48 UTC
File Type:
Document
Extracted files:
37
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Result
Malware family:
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
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.

Web download

Dridex

Excel file xlsm 190b2cdfa53eaab02c24d69923988103a84cd2862c6c9d70a18feebbb3f0bc64

(this sample)

  
Delivery method
Distributed via web download

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