MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93b2af1c877bb2c7acd39d3ff5f770bea880bf66477e4e9b0a1d21d1d213cb7c. 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



DBatLoader


Vendor detections: 15


Maldoc score: 4


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 93b2af1c877bb2c7acd39d3ff5f770bea880bf66477e4e9b0a1d21d1d213cb7c
SHA3-384 hash: d9ded1f345996b7e8b6f64489b315cab61b68772bf087556ccab3fefc7cf30c658c73cf38f974fec48d56a21b8a16f5d
SHA1 hash: e3c3f070b85f9c991069b408e7147bd1b19882bb
MD5 hash: 30c72d7387b2033675119cc82906bbb8
humanhash: bulldog-bakerloo-butter-monkey
File name:SBM_C3350i240229122.xls
Download: download sample
Signature DBatLoader
File size:990'208 bytes
First seen:2024-06-11 18:47:09 UTC
Last seen:2024-06-11 19:27:16 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:SUP/mMxAF77GF0SNjs6ivPQbA2j3AOk6N1Y:SGsNk0SNjs5PAVUl
TLSH T10D25AC17DC148A83F51883BCFA524DB91A1D6F48F6837BFB11312ECA7A752224C9B179
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:DBatLoader xls

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: 4
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD000AA2FB/CompObj
5537185 bytesMBD000AA2FB/Package
6356 bytesMBD000AA2FC/Ole
7430906 bytesWorkbook
8527 bytes_VBA_PROJECT_CUR/PROJECT
9104 bytes_VBA_PROJECT_CUR/PROJECTwm
10977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
11977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
12977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
13985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
142644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15553 bytes_VBA_PROJECT_CUR/VBA/dir
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)

Intelligence


File Origin
# of uploads :
2
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
93b2af1c877bb2c7acd39d3ff5f770bea880bf66477e4e9b0a1d21d1d213cb7c.xls
Verdict:
Suspicious activity
Analysis date:
2024-06-11 18:54:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Network Office Stealth W97m
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Searching for the window
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file
Connection attempt
Connection attempt by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://gf.to/BtUnUlFsL
Embedded Ole
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
language-tr macros
Gathering data
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious Excel or Word document
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Document exploit detected (process start blacklist hit)
Downloads files with wrong headers with respect to MIME Content-Type
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Excel sheet contains many unusual embedded objects
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Microsoft Office drops suspicious files
Microsoft Office launches external ms-search protocol handler (WebDAV)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Office viewer loads remote template
PE file contains section with special chars
Shellcode detected
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Creation with Colorcpl
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: TrustedPath UAC Bypass Pattern
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455449 Sample: SBM_C3350i240229122.xls Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 72 gf.to 2->72 92 Snort IDS alert for network traffic 2->92 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 28 other signatures 2->98 9 EXCEL.EXE 33 35 2->9         started        13 Uvewfldq.PIF 2->13         started        16 Uvewfldq.PIF 2->16         started        signatures3 process4 dnsIp5 86 gf.to 172.67.135.214, 443, 49162, 49163 CLOUDFLARENETUS United States 9->86 88 216.9.224.18, 49164, 49171, 49172 ATT-INTERNET4US Reserved 9->88 62 lionsareveryinters...kingofjungle[1].doc, ISO-8859 9->62 dropped 18 igcc.exe 1 5 9->18         started        23 WINWORD.EXE 337 37 9->23         started        114 Multi AV Scanner detection for dropped file 13->114 116 Writes to foreign memory regions 13->116 118 Allocates memory in foreign processes 13->118 120 2 other signatures 13->120 25 SndVol.exe 13->25         started        27 colorcpl.exe 16->27         started        file6 signatures7 process8 dnsIp9 74 onedrive.live.com 18->74 76 lwympw.bn.files.1drv.com 18->76 84 4 other IPs or domains 18->84 46 C:\Windows \System32\netutils.dll, PE32+ 18->46 dropped 48 C:\Windows \System32\cmd.pif, PE32+ 18->48 dropped 50 C:\Users\Public\Uvewfldq.url, MS 18->50 dropped 52 C:\Users\Public\Libraries\Uvewfldq, data 18->52 dropped 100 Multi AV Scanner detection for dropped file 18->100 102 Drops PE files with a suspicious file extension 18->102 29 SndVol.exe 3 3 18->29         started        34 extrac32.exe 1 18->34         started        36 cmd.exe 1 18->36         started        40 2 other processes 18->40 78 gf.to 23->78 80 104.21.26.96, 443, 49165, 49168 CLOUDFLARENETUS United States 23->80 54 C:\Users\user\AppData\Roaming\...\gf.to.url, MS 23->54 dropped 56 C:\Users\user\AppData\...\BtUnUlFsL.url, MS 23->56 dropped 58 ~WRF{7129C96A-FA35...2-0EA6AFF4EB2D}.tmp, Composite 23->58 dropped 60 C:\Users\user\AppData\Local\...\9F62084E.doc, ISO-8859 23->60 dropped 104 Microsoft Office launches external ms-search protocol handler (WebDAV) 23->104 106 Office viewer loads remote template 23->106 108 Microsoft Office drops suspicious files 23->108 38 EQNEDT32.EXE 12 23->38         started        82 sembe.duckdns.org 27->82 110 Detected Remcos RAT 27->110 file10 112 Uses dynamic DNS services 82->112 signatures11 process12 dnsIp13 90 sembe.duckdns.org 194.187.251.115, 14645, 49176, 49177 M247GB United Kingdom 29->90 64 C:\Users\user\AppData\Local\Temp\...\nots.dat, data 29->64 dropped 122 Contains functionality to bypass UAC (CMSTPLUA) 29->122 124 Detected Remcos RAT 29->124 126 Found evasive API chain (may stop execution after checking mutex) 29->126 136 5 other signatures 29->136 66 C:\Users\Public\Libraries\Uvewfldq.PIF, PE32 34->66 dropped 128 Drops PE files with a suspicious file extension 34->128 130 Drops executables to the windows directory (C:\Windows) and starts them 36->130 42 cmd.pif 36->42         started        44 cmd.pif 36->44         started        68 C:\Users\user\AppData\Roaming\igcc.exe, PE32 38->68 dropped 70 C:\...\flowersaregoodforimagescreate[1].bmp, PE32 38->70 dropped 132 Office equation editor establishes network connection 38->132 134 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 38->134 file14 signatures15 process16
Threat name:
Document-Excel.Trojan.Remcos
Status:
Malicious
First seen:
2024-06-11 18:48:05 UTC
File Type:
Document
Extracted files:
41
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Office loads VBA resources, possible macro or embedded object present
Program crash
Abuses OpenXML format to download file from external location
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
ModiLoader Second Stage
ModiLoader, DBatLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:office_document_vba
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments