MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22. 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: 11

Maldoc score: 21

Intelligence 11 IOCs YARA File information Comments

SHA256 hash:	6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22
SHA3-384 hash:	e6fc66aaa26a60d19b3dd72e145d779bc7288be088bd51f3dfd42d88ac79e537ae00ed2f445ed89f1ec23230ae3ddfe2
SHA1 hash:	45389b76ed4ad5d41205b754775de4f9f3fd1076
MD5 hash:	bb9509e3a758f80aba854fbf3f1fb7be
humanhash:	william-romeo-bakerloo-louisiana
File name:	doc2_5.xlsm
Download:	download sample
Signature	TrickBot Create hunting rule
File size:	133'447 bytes
First seen:	2021-10-14 18:06:00 UTC
Last seen:	2021-10-14 18:55:21 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	3072:dow5bKgKWI5tpumffaFAxSTgRgN/ENKrHwic2GDDJ3i+jBhY9cTc8Js:+w5Wg8nImXaSUTgRCCKrQ/J3ZjBzg8C
TLSH	T11CD3F189D12AA863C50434BCF6D887F595AC268BD6C4E1253D28D398937C3679B0E1FF
Reporter	abuse_ch
Tags:	sof1 TrickBot xlsm

abuse_ch

TrickBot payload URL:
http://195.133.192.101/images/redplane.png

TrickBot C2s:
65.152.201.203:443
185.56.175.122:443
46.99.175.217:443
179.189.229.254:443
46.99.175.149:443
181.129.167.82:443
216.166.148.187:443
46.99.188.223:443
128.201.76.252:443
62.99.79.77:443
60.51.47.65:443
24.162.214.166:443
45.36.99.184:443
97.83.40.67:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443

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: 21

OLE dump

MalwareBazaar was able to identify 24 sections in this file using oledump:

Section ID	Section size	Section name
A1	782 bytes	PROJECT
A2	158 bytes	PROJECTwm
A3	97 bytes	UserForm1/CompObj
A4	291 bytes	UserForm1/VBFrame
A5	395 bytes	UserForm1/f
A6	476 bytes	UserForm1/o
A7	1457 bytes	VBA/UserForm1
A8	11580 bytes	VBA/_VBA_PROJECT
A9	16150 bytes	VBA/__SRP_0
A10	2956 bytes	VBA/__SRP_1
A11	174 bytes	VBA/__SRP_2
A12	562 bytes	VBA/__SRP_3
A13	684 bytes	VBA/__SRP_4
A14	8947 bytes	VBA/__SRP_5
A15	998 bytes	VBA/__SRP_6
A16	66 bytes	VBA/__SRP_7
A17	960 bytes	VBA/dir
A18	10216 bytes	VBA/uoerhlf
A19	60643 bytes	VBA/zvjwhr
A20	984 bytes	VBA/1
A21	984 bytes	VBA/2
A22	984 bytes	VBA/3
A23	7174 bytes	VBA/

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Type	Keyword	Description
AutoExec	Workbook_Open	Runs when the Excel Workbook is opened
IOC	winmm.dll	Executable file name
Suspicious	Open	May open a file
Suspicious	Put	May write to a file (if combined with Open)
Suspicious	Binary	May read or write a binary file (if combined with Open)
Suspicious	ShellExecuteA	May run an executable file or a system command
Suspicious	shell32	May run an executable file or a system command
Suspicious	FindWindow	May enumerate application windows (if combined with Shell.Application object)
Suspicious	Lib	May run code from a DLL
Suspicious	ChrW	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

418

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

doc2_5.xlsm

Verdict:

Malicious activity

Analysis date:

2021-10-14 19:57:43 UTC

Tags:

loader

Link:

https://app.any.run/tasks/0fc78a78-1659-429f-8c35-ff1bdad8d947

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

TrickBot

Link:

https://www.capesandbox.com/analysis/197598/

Detection(s):

MiscreantPunch.EvilMacro.PSHELLB64INVOKEDASHWINVOKEDASHW.4.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.8.UNOFFICIAL

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22/results/dashboard

Document image

Image:

Download PNG

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/6168718d9fb4d8593d6519ef/reports/e52c4c86-77c9-4c46-9b8b-c3355541c47f/overview

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22

Details

Base64 Encoded Powershell Directives

Detected one or more base64 encoded Powershell directives.

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro Execution Coercion

Detected a document that appears to social engineer the user into activating embedded logic.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Base64 Encoded URL

Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.

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).

Document With Minimal Content

Document contains less than 1 kilobyte of semantic information.

Result

Threat name:

TrickBot

Detection:

malicious

Classification:

expl.evad.troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/870696

Signature

Allocates memory in foreign processes

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document exploit detected (process start blacklist hit)

Encrypted powershell cmdline option found

Found evasive API chain (trying to detect sleep duration tampering with parallel thread)

Found malware configuration

May check the online IP address of the machine

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Powershell drops PE file

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Suspicious Encoded PowerShell Command Line

Tries to detect virtualization through RDTSC time measurements

Writes to foreign memory regions

Yara detected Trickbot

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22/

Threat name:

Document-Office.Trojan.Heuristic

Status:

Malicious

First seen:

2021-10-14 18:06:07 UTC

AV detection:

3 of 45 (6.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ntodnzoio5fwfo7oviqudl272pe4lsrt4amx4yyb65xshzm6tyra._file

Result

Malware family:

trickbot

Score:

10/10

Tags:

family:trickbot botnet:sof1 banker macro trojan

Link:

https://tria.ge/reports/211014-wprc1aahbl/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Loads dropped DLL

Blocklisted process makes network request

Downloads MZ/PE file

Process spawned unexpected child process

Trickbot

Malware Config

C2 Extraction:

65.152.201.203:443
185.56.175.122:443
46.99.175.217:443
179.189.229.254:443
46.99.175.149:443
181.129.167.82:443
216.166.148.187:443
46.99.188.223:443
128.201.76.252:443
62.99.79.77:443
60.51.47.65:443
24.162.214.166:443
45.36.99.184:443
97.83.40.67:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/6cdc36e5c877/report/overview.html

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/6cdc36e5c8774b62bbeeaa2141af5fd3c9c5ca33e0197e6301f76f23e59e9e22