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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec. 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: 8


Maldoc score: 7


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

SHA256 hash: bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec
SHA3-384 hash: 588847b0eae95a6ce451c6f520d66b567a0cd7bf7dfc44be662d436799a72e382e2604d92bd111eea1e01449826d8ddf
SHA1 hash: 18687695d90eb68985514acb760fb242bb444550
MD5 hash: 5f89c7bf2759e0854661a54f904841d2
humanhash: rugby-july-cat-zulu
File name:bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec
Download: download sample
Signature TrickBot
Create hunting rule
File size:165'381 bytes
First seen:2021-05-27 21:31:29 UTC
Last seen:2021-05-27 22:39:06 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 3072:xaKZ5qD/9NMYeR2G3eaj1FNSdUNzdmeRt7Wbm7qWjS66U+GW97A:UKnqLMZ2G3B5kyJLtnY5UI97A
TLSH DBF3129439B3A542CB19007664A4D07FCB78EF5592B2176BFD8A738688721C5A1E78F0
Reporter Anonymous
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: 7
Application name is Microsoft Excel
Office document is in OLE format
Office document is in encrypted
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
3154549 bytesWorkbook
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
SuspiciousRUNMay run an executable file or a system command
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)

Intelligence

File Origin
# of uploads :
2
# of downloads :
437
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec
Verdict:
Malicious activity
Analysis date:
2021-05-27 21:43:45 UTC
Tags:
macros macros40
Link:
https://app.any.run/tasks/9327f4ef-7701-4f06-96ad-656560cc93c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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/162864/
Detection(s):
SecuriteInfo.com..26454.31625.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Suspicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec/results/dashboard
Result
Threat name:
Hidden Macro 4.0 Trickbot
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/793545
Signature
Allocates memory in foreign processes
Delayed program exit found
Detected Trickbot e-Banking trojan config
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found abnormal large hidden Excel 4.0 Macro sheet
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
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Office document connecting to suspicious TLD
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Performs DNS queries to domains with low reputation
Potential document exploit detected (performs DNS queries with low reputation score)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 425937 Sample: sUeyYgEiCb Startdate: 27/05/2021 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 16 other signatures 2->64 9 EXCEL.EXE 86 48 2->9         started        14 taskeng.exe 1 2->14         started        process3 dnsIp4 50 seiurksia.xyz 185.154.52.100, 443, 49165 EUROBYTEEurobyteLLCMoscowRussiaRU Russian Federation 9->50 34 C:\zYGogpc8\v5RPs5P3\p6OH.dll, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\2454[1].dll, PE32 9->36 dropped 80 Document exploit detected (creates forbidden files) 9->80 82 Document exploit detected (UrlDownloadToFile) 9->82 16 rundll32.exe 9->16         started        18 rundll32.exe 14->18         started        file5 signatures6 process7 process8 20 rundll32.exe 16->20         started        signatures9 66 Writes to foreign memory regions 20->66 68 Allocates memory in foreign processes 20->68 70 Delayed program exit found 20->70 23 wermgr.exe 2 20->23         started        27 cmd.exe 20->27         started        process10 dnsIp11 44 201.23.76.18, 447, 49171 DirectnetPrestacaodeServicosLtdaBR Brazil 23->44 46 85.248.1.126, 443, 49168, 49170 AS-BENESTRABratislavaSlovakRepublicSK Slovakia (SLOVAK Republic) 23->46 48 6 other IPs or domains 23->48 72 Hijacks the control flow in another process 23->72 74 Writes to foreign memory regions 23->74 76 Tries to detect virtualization through RDTSC time measurements 23->76 78 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 23->78 29 svchost.exe 13 23->29         started        signatures12 process13 dnsIp14 52 123.231.149.122, 443, 49172 LINTASARTA-AS-APNetworkAccessProviderandInternetServic Indonesia 29->52 54 27.110.228.186, 443 JGS-AS-APJGGroupofCompaniesPH Philippines 29->54 56 115.127.160.171, 443, 49175 BRAC-BDMAIL-AS-BDBRACNetLimitedBD Bangladesh 29->56 38 C:\Users\user\AppData\Local\...\Web Data.bak, SQLite 29->38 dropped 40 C:\Users\user\AppData\...\Login Data.bak, SQLite 29->40 dropped 42 C:\Users\user\AppData\Local\...\History.bak, SQLite 29->42 dropped 84 Tries to harvest and steal browser information (history, passwords, etc) 29->84 file15 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec/
Threat name:
Document-Office.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-05-27 02:30:59 UTC
AV detection:
2 of 47 (4.26%)
Threat level:
  2/5
Result
Malware family:
trickbot
Create hunting rule
Score:
  10/10
Tags:
family:trickbot botnet:rob120 banker trojan
Link:
https://tria.ge/reports/210527-2a43nrn1fa/
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Loads dropped DLL
Downloads MZ/PE file
Templ.dll packer
Process spawned unexpected child process
Trickbot
Malware Config
C2 Extraction:
178.72.192.20:443
103.124.145.98:443
45.5.152.39:443
114.7.240.222:443
85.248.1.126:443
94.183.237.101:443
146.196.121.219:443
89.37.1.2:443
94.142.179.77:443
177.221.39.161:443
85.175.171.246:443
103.12.160.164:443
180.178.106.50:443
94.142.179.179:443
46.209.140.220:443
123.231.149.122:443
123.231.149.123:443
182.160.116.190:443
131.0.112.122:443
116.0.6.110:443
103.101.104.229:443
88.150.240.129:443
103.242.104.68:443
Dropper Extraction:
https://seiurksia.xyz/xls/bomb/index/processingSetRequestDownloadPayloader/?servername=excel
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/bbb47e57037acd2f1d74101614c715c4ab9d7f294fa138953bc9823c8e16c7ec

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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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.

Cape
Cape
https://www.capesandbox.com/analysis/162864/

Comments