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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d05d391297e3c4ec1bc4047bd3e104f37123c709797854053966ced43f492fb. 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: 6


Intelligence 6 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d05d391297e3c4ec1bc4047bd3e104f37123c709797854053966ced43f492fb
SHA3-384 hash: c42c9172912b645585bd982ef36c21f3387386c99c19783db9a149a2bc8fd926e19e35170cd13efedef9b81dc6605a83
SHA1 hash: d3f78f528a797c2e97af9f25e189bc43d98f2eae
MD5 hash: 6f7f78fa1fbe9be8fbe20812658c43aa
humanhash: dakota-oranges-paris-nevada
File name:SecuriteInfo.com.Heur.31681.20936
Download: download sample
Signature TrickBot
Create hunting rule
File size:287'232 bytes
First seen:2021-05-03 22:56:35 UTC
Last seen:2021-05-03 23:00:33 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:6cPiTQAVW/89BQnmlcGvgZ7rDjo8UOMzJK+tfq5I:5pO
TLSH 7854B292E112B164E1583F36E82E456C43E6EEAA7F68F18F2C0473B73B761D12E41919
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
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
3275201 bytesBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
583
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/149494/
Detection(s):
SecuriteInfo.com.Heur.31681.20936.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.QakySoWacky.M2.20210218.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/4d05d391297e3c4ec1bc4047bd3e104f37123c709797854053966ced43f492fb/results/dashboard
Payload URLs
URL
File name
https://deluciaspizza.com/netmouser.dll
Book
Document image
Image:
Download PNG
Document image
Result
Threat name:
Hidden Macro 4.0 Trickbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/709167
Signature
Allocates memory in foreign processes
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Drops PE files to the user root directory
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found Excel 4.0 Macro with suspicious formulas
Found malware configuration
Hijacks the control flow in another process
May check the online IP address of the machine
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)
Office process drops PE file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Trickbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 403507 Sample: SecuriteInfo.com.Heur.31681.20936 Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 9 other signatures 2->60 9 EXCEL.EXE 90 49 2->9         started        14 taskeng.exe 1 2->14         started        process3 dnsIp4 50 deluciaspizza.com 144.208.70.30, 443, 49165 IMH-WESTUS United States 9->50 34 C:\Users\user\fndskfnds.dfm, PE32 9->34 dropped 36 C:\Users\user\AppData\...\netmouser[1].dll, PE32 9->36 dropped 74 Document exploit detected (creates forbidden files) 9->74 76 Document exploit detected (UrlDownloadToFile) 9->76 16 rundll32.exe 9->16         started        18 rundll32.exe 14->18         started        file5 signatures6 process7 process8 20 rundll32.exe 16->20         started        signatures9 62 Writes to foreign memory regions 20->62 64 Allocates memory in foreign processes 20->64 23 wermgr.exe 2 20->23         started        process10 dnsIp11 44 188.18.7.133, 447, 49170 ROSTELECOM-ASRU Russian Federation 23->44 46 117.54.250.246, 443, 49167, 49169 INDONET-AS-APINDOInternetPTID Indonesia 23->46 48 5 other IPs or domains 23->48 66 Hijacks the control flow in another process 23->66 68 May check the online IP address of the machine 23->68 70 Writes to foreign memory regions 23->70 72 2 other signatures 23->72 27 cmd.exe 13 23->27         started        32 cmd.exe 23->32         started        signatures12 process13 dnsIp14 52 103.102.220.50, 443, 49172 ZT-AS-APZohakTechnologyZ-TechAF Afghanistan 27->52 38 C:\Users\user\AppData\Local\...\Web Data.bak, SQLite 27->38 dropped 40 C:\Users\user\AppData\...\Login Data.bak, SQLite 27->40 dropped 42 C:\Users\user\AppData\Local\...\History.bak, SQLite 27->42 dropped 78 Tries to harvest and steal browser information (history, passwords, etc) 27->78 file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d05d391297e3c4ec1bc4047bd3e104f37123c709797854053966ced43f492fb/
Threat name:
Document-Excel.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-05-03 22:57:06 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  2/5
Result
Malware family:
trickbot
Create hunting rule
Score:
  10/10
Tags:
family:trickbot botnet:net9 banker macro trojan xlm
Link:
https://tria.ge/reports/210503-xvsy15fmve/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Looks up external IP address via web service
Loads dropped DLL
Downloads MZ/PE file
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://deluciaspizza.com/netmouser.dll
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d05d391297e3c4ec1bc4047bd3e104f37123c709797854053966ced43f492fb

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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.

Cape
Cape
https://www.capesandbox.com/analysis/149494/

Comments