MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56. 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: 8


Maldoc score: 12


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56
SHA3-384 hash: 4ed8cd6b4e4cd90acd1b12fd09bf7453b62e75652ed8ef1bf25ccdba9d7cf27b5fbe0c118da1a5b7360bf23218a40fc8
SHA1 hash: 9a9b0eb8265cb116bb5bf9e1e1aa29f6ac6b621a
MD5 hash: 20f9a7843d3f358a6ecfd6dd828cdd6d
humanhash: aspen-bravo-network-lamp
File name:INV6708494406.xlsm
Download: download sample
Signature Dridex
Create hunting rule
File size:75'006 bytes
First seen:2021-02-08 12:04:07 UTC
Last seen:2021-02-19 19:13:32 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:nz1mPxtHUWhzKGtgg0aR9RTwulqSfmaDCxilyXAE8tMJ0yw4mdq/gG:Bm7UmvtgcfRTwyjfmaG0Ri
TLSH 8573019FD5C7A96BD2168D36D30545F08A8C80D8A4667B5E3C88F44D69D22FA0FCF389
Reporter cocaman
Tags:Dridex xlsm


Avatar
cocaman
Malicious email (T1566.001)
From: "<Collection_s@chrobinson.com>" (likely spoofed)
Received: "from 79-135-44-158.ip.welcomeitalia.it (unknown [79.135.45.158]) "
Date: "Mon, 8 Feb 2021 14:31:56 +0100"
Subject: "Updated Invoice(s) with Adjustment"
Attachment: "INV4362145800.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: 12
OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section IDSection sizeSection name
A1524 bytesPROJECT
A2104 bytesPROJECTwm
A3991 bytesVBA/Sheet1
A4991 bytesVBA/Sheet2
A55907 bytesVBA/Sheet3
A6999 bytesVBA/ThisWorkbook
A73281 bytesVBA/_VBA_PROJECT
A82192 bytesVBA/__SRP_0
A9424 bytesVBA/__SRP_1
A101045 bytesVBA/__SRP_2
A11780 bytesVBA/__SRP_3
A12552 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
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 :
43
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV5231432178.xlsm
Verdict:
Malicious activity
Analysis date:
2021-02-08 11:58:39 UTC
Tags:
macros macros40
Link:
https://app.any.run/tasks/25efb47c-67ff-437e-802c-00c1cc18abeb

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
Detection(s):
TwinWave.EvilDoc.DridexLostCassette.20200127.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.urlmonr.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56/results/dashboard
Document image
Image:
Download PNG
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:
Dridex
Create hunting rule
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/601751
Signature
C2 URLs / IPs found in malware configuration
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
Multi AV Scanner detection for submitted 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)
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 349893 Sample: INV6708494406.xlsm Startdate: 08/02/2021 Architecture: WINDOWS Score: 100 37 110.164.184.226:6516 unknown unknown 2->37 39 128.199.59.13:8172 unknown unknown 2->39 41 178.128.83.165:443 unknown unknown 2->41 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Document exploit detected (drops PE files) 2->55 57 8 other signatures 2->57 8 EXCEL.EXE 87 52 2->8         started        signatures3 process4 dnsIp5 43 i.thechinesemuslim.com 67.23.226.24, 443, 49165 DIMENOCUS United States 8->43 45 bt2.elin.co.za 154.0.168.63, 443, 49168 AfrihostZA South Africa 8->45 23 C:\Users\user\AppData\Local\Temp\pzhqpk.dll, PE32 8->23 dropped 25 C:\Users\user\AppData\Local\Temp\ikrpt.dll, PE32 8->25 dropped 27 C:\Users\user\AppData\...\y97rgl89g[1].rar, PE32 8->27 dropped 29 2 other malicious files 8->29 dropped 59 Document exploit detected (creates forbidden files) 8->59 61 Document exploit detected (process start blacklist hit) 8->61 13 regsvr32.exe 8->13         started        15 regsvr32.exe 8->15         started        file6 signatures7 process8 process9 17 regsvr32.exe 9 13->17         started        21 regsvr32.exe 9 15->21         started        dnsIp10 31 110.164.184.226, 49172, 49175, 49177 TRIPLETNET-AS-APTripleTInternetTripleTBroadbandTH Thailand 17->31 33 128.199.59.13, 49170, 49173, 49176 DIGITALOCEAN-ASNUS United Kingdom 17->33 35 178.128.83.165, 443, 49169, 49171 DIGITALOCEAN-ASNUS Netherlands 17->35 47 Detected Dridex e-Banking trojan 17->47 49 System process connects to network (likely due to code injection or exploit) 21->49 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56/
Threat name:
Script-Macro.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2021-02-08 12:00:16 UTC
File Type:
Document
Extracted files:
41
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqozpbuv4pobmzush6qt32jdq4fhmbbxlvl3wz3r4l2lzwforvla._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210208-axwn8yew8a/
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.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56

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
Create hunting rule
Author:abuse.ch
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
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.

Malspam

Dridex

Excel file xlsm bc1d978695e3dc1666923fa13de923870a7604375d57bb6771e2f4bcd8ae8d56

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex

Comments