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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd7729979ce89a15f5a8195fa33f17c5fc59d5636f3294ef8f397decd6f05c79. 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


TrickBot


Vendor detections: 5


Maldoc score: 3


Intelligence 5 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd7729979ce89a15f5a8195fa33f17c5fc59d5636f3294ef8f397decd6f05c79
SHA3-384 hash: 6e7422ad989a7dbb4a5c011ef85fcab4897a9634d46de408b34cc51bee33efa2dd7efdc6321880a7b71ee55bc628f43d
SHA1 hash: 6b7e3f13faafed23d1460ae25a2caef46a5ad8ae
MD5 hash: 86bcd1dbc5f256c0cd0ef95d57821946
humanhash: mobile-golf-double-ceiling
File name:SecuriteInfo.com.Heur.1516.25525
Download: download sample
Signature TrickBot
Create hunting rule
File size:280'576 bytes
First seen:2021-05-05 17:51:40 UTC
Last seen:2021-05-05 18:01:17 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:acPiTQAVW/89BQnmlcGvgZ7r3J8b5IYJK+nBoOhZ:RnOr
TLSH 7154E482B1129564E1585F36E836457C42EBEEAA7B38F18B2C04F3B73B771D23E41919
Reporter SecuriteInfoCom
Tags:TrickBot

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: 3
Application name is Microsoft Excel
Office document is in OLE format
OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
3268625 bytesBook
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
Hex StringTTdVTeFP5454645654654650
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 :
560
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Detection(s):
SecuriteInfo.com.Heur.1516.25525.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.QakySoWacky.M2.20210218.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.QakySoWacky.M3.20210301.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4MQakyEsqHomeComing.20210423.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/bd7729979ce89a15f5a8195fa33f17c5fc59d5636f3294ef8f397decd6f05c79/results/dashboard
Payload URLs
URL
File name
parkisolutions.com/nerugin.
Book
Document image
Image:
Download PNG
Document image
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd7729979ce89a15f5a8195fa33f17c5fc59d5636f3294ef8f397decd6f05c79/
Threat name:
Document-Office.Downloader.EncDoc
Create hunting rule
Status:
Malicious
First seen:
2021-05-05 17:52:08 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  3/5
Result
Malware family:
trickbot
Create hunting rule
Score:
  10/10
Tags:
family:trickbot botnet:net10 banker macro trojan xlm
Link:
https://tria.ge/reports/210505-h6lthmh4zs/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Loads dropped DLL
Templ.dll packer
Process spawned unexpected child process
Trickbot
Malware Config
C2 Extraction:
103.66.72.217:443
117.252.68.211:443
103.124.173.35:443
115.73.211.230:443
117.54.250.246:443
131.0.112.122:443
102.176.221.78:443
181.176.161.143:443
154.79.251.172:443
103.111.199.76:443
103.54.41.193:443
154.79.244.182:443
154.79.245.158:443
139.255.116.42:443
178.254.161.250:443
178.134.47.166:443
158.181.179.229:443
103.90.197.33:443
109.207.165.40:443
178.72.192.20:443
Dropper Extraction:
https://parkisolutions.com/nerugin.dll
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd7729979ce89a15f5a8195fa33f17c5fc59d5636f3294ef8f397decd6f05c79

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_DOC_PhishingPatterns
Create hunting rule
Author:ditekSHen
Description:Detects OLE, RTF, PDF and OOXML (decompressed) documents with common phishing strings
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:multiple_concats_in_excel4_exec_enjoy_the_silence
Create hunting rule
Author:Will Metcalf
Description:Behold The Great And Powerful Match Iterator. Multiple Concats with register Function SILENT BUILDER EDITION
Reference:https://blog.reversinglabs.com/blog/excel-4.0-macros
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:SUSP_EnableContent_String_Gen
Create hunting rule
Author:Florian Roth
Description:Detects suspicious string that asks to enable active content in Office Doc
Reference:Internal Research
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.

Comments