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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cb9eff2c03a7064a655a6117cb62d4bf8694a6fab10588cac60b0781d60ca4d. 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: 7


Maldoc score: 6


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6cb9eff2c03a7064a655a6117cb62d4bf8694a6fab10588cac60b0781d60ca4d
SHA3-384 hash: 2c3904c6785792351a6e8c640b5ec78c748bb04c737d1204d4c7802ac3a1e28e1c15ddec97c964a85f20ea687411a090
SHA1 hash: b55f7933231453358bd4e0a033a8030595412b60
MD5 hash: e05574d2a2b00fc7b9862ad631ce3315
humanhash: chicken-uranus-tennessee-zebra
File name:Client_documents_access_1793-1029.xlsm
Download: download sample
Signature TrickBot
Create hunting rule
File size:87'734 bytes
First seen:2021-07-23 16:10:46 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:cDhVxmyaa15pRxrDK341rDmf5TTlMVGoIahaDHTU6hryF70liWWGH0AeW/:kVIyaa1/rDSOmf92sTU2yF70liWW20k
TLSH T1B783E096FB4432D5D6B14E3E886800F877C833EA83512E897971B34F8A54D87276B53E
Reporter abuse_ch
Tags:sat3 TrickBot xlsm


Avatar
abuse_ch
TrickBot payload URLs:
http://162.248.227.39/first.php
http://162.248.225.98/23.php?key=X

TrickBot C2s:
38.110.103.124:443
185.56.76.28:443
204.138.26.60:443
60.51.47.65:443
74.85.157.139:443
68.69.26.182:443
38.110.103.136:443
38.110.103.18:443
138.34.28.219:443
185.56.76.94:443
217.115.240.248:443
24.162.214.166:443
80.15.2.105:443
154.58.23.192:443
38.110.100.104:443
45.36.99.184:443
185.56.76.108:443
185.56.76.72:443
138.34.28.35:443
97.83.40.67:443
38.110.103.113:443
38.110.100.142:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443
38.110.100.33:443
38.110.100.242:443
185.13.79.3:443

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: 6
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
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 :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client_documents_access_1793-1029.xlsm
Verdict:
Malicious activity
Analysis date:
2021-07-23 16:14:13 UTC
Tags:
macros40 maldoc-42
Link:
https://app.any.run/tasks/b12e7a5c-0409-462a-b8d6-03df0f99a097

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:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/173715/
Detection(s):
TwinWave.EvilDoc.EnjoyTheSilence.20210716.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EnjoyTheSilence.M2.20210317.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/6cb9eff2c03a7064a655a6117cb62d4bf8694a6fab10588cac60b0781d60ca4d/results/dashboard
Payload URLs
URL
File name
162.248.227.39
sheet2.xml
Document image
Image:
Download PNG
Document image
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/820910
Signature
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6cb9eff2c03a7064a655a6117cb62d4bf8694a6fab10588cac60b0781d60ca4d/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ns4674wahjygjjsvuyixznrnjp4gsstpvmifrdfmmcyhqhlazjgq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210723-e7xcd967t2/
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
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://162.248.227.39/first.php
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/6cb9eff2c03a7064a655a6117cb62d4bf8694a6fab10588cac60b0781d60ca4d

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:ach_IcedID_xlsm_20210324
Create hunting rule
Author:abuse.ch
Description:Detects IcedID xlsm
Rule name:ach_IcedID_xlsm_20210326_2
Create hunting rule
Author:abuse.ch
Description:Detects IcedID xlsm
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule

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/173715/

Comments