MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 85b566502e78374ce4e086d4332bf5e348538fce3d07316c7157d6501e201afa. 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: 10
Maldoc score: 23
| SHA256 hash: | 85b566502e78374ce4e086d4332bf5e348538fce3d07316c7157d6501e201afa |
|---|---|
| SHA3-384 hash: | d0edf7ff1b91a4536d03446a5d1524a0e82d4745645ac1b3881eacc86181735adb55518117057fbb07e8bc1b3f599c9b |
| SHA1 hash: | 752bd0cdcb3b67615d4fd754e9875129ece223b2 |
| MD5 hash: | c11bc483c94e7e0b0497e79e2143fd59 |
| humanhash: | comet-hamper-eleven-low |
| File name: | Fatura_Odeme.xls |
| Download: | download sample |
| Signature | DBatLoader |
| File size: | 161'792 bytes |
| First seen: | 2022-02-09 15:27:51 UTC |
| Last seen: | Never |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 3072:PrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAnIy6QNxTBHLvJDr1CWvdTRuygr/mWIq:zxEtjPOtioVjDGUU1qfDlavx+W2QnAn6 |
| TLSH | T1C3F3CF153681C845E28803770DE6C6E63777FC055F7B0B073695F76E2E73AA0C9A2A0A |
| Reporter |  abuse_ch |
| Tags: | DBatLoader geo TUR 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: 23 |
OLE dump
MalwareBazaar was able to identify 17 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 107 bytes | CompObj |
| 2 | 244 bytes | DocumentSummaryInformation |
| 3 | 208 bytes | SummaryInformation |
| 4 | 123474 bytes | Workbook |
| 5 | 637 bytes | _VBA_PROJECT_CUR/PROJECT |
| 6 | 128 bytes | _VBA_PROJECT_CUR/PROJECTwm |
| 7 | 833 bytes | _VBA_PROJECT_CUR/VBA/Module1 |
| 8 | 985 bytes | _VBA_PROJECT_CUR/VBA/Sheet1 |
| 9 | 985 bytes | _VBA_PROJECT_CUR/VBA/Sheet2 |
| 10 | 985 bytes | _VBA_PROJECT_CUR/VBA/Sheet3 |
| 11 | 13622 bytes | _VBA_PROJECT_CUR/VBA/ThisWorkbook |
| 12 | 6110 bytes | _VBA_PROJECT_CUR/VBA/_VBA_PROJECT |
| 13 | 3111 bytes | _VBA_PROJECT_CUR/VBA/__SRP_0 |
| 14 | 210 bytes | _VBA_PROJECT_CUR/VBA/__SRP_1 |
| 15 | 2380 bytes | _VBA_PROJECT_CUR/VBA/__SRP_2 |
| 16 | 310 bytes | _VBA_PROJECT_CUR/VBA/__SRP_3 |
| 17 | 613 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:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Workbook_Open | Runs when the Excel Workbook is opened |
| Suspicious | Open | May open a file |
| Suspicious | Write | May write to a file (if combined with Open) |
| Suspicious | adodb.stream | May create a text file |
| Suspicious | Savetofile | May create a text file |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | WScript.Shell | May run an executable file or a system command |
| Suspicious | CreateObject | May create an OLE object |
| Suspicious | Shell.Application | May run an application (if combined with CreateObject) |
| Suspicious | microsoft.xmlhttp | May download files from the Internet |
| Suspicious | Chr | 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) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Sending a custom TCP request
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Document image
Image:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
macros macros-on-open
Label:
Malicious
Suspicious Score:
8.8/10
Score Malicious:
89%
Score Benign:
11%
Result
Verdict:
MALICIOUS
Link:
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
DBatLoader
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 contains an embedded VBA with hexadecimal encoded strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: MS Office Product Spawning Exe in User Dir
Yara detected DBatLoader
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Trojan.Heuristic
Status:
Malicious
First seen:
2022-02-09 15:28:11 UTC
File Type:
Document
Extracted files:
26
AV detection:
16 of 27 (59.26%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
macro macro_on_action
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Verdict:
Malicious
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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