MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ff8e13cb4530114696195243b945bf564568eff5222247cd88acaa87e37a6191. 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
AveMariaRAT
Vendor detections: 11
Maldoc score: 25
| SHA256 hash: | ff8e13cb4530114696195243b945bf564568eff5222247cd88acaa87e37a6191 |
|---|---|
| SHA3-384 hash: | 8379e30cd189552e1246fb97783a906cd40ca4d478e06459d6cd129ebacd6885300779374ed421392962e74ed259a4c7 |
| SHA1 hash: | a9a637abed2ed94572c4bd796705086dc3a7eeb1 |
| MD5 hash: | 33c06dfea83a3d4a639b12354f1f7aac |
| humanhash: | minnesota-minnesota-rugby-hydrogen |
| File name: | Pago Recibo.xls |
| Download: | download sample |
| Signature | AveMariaRAT |
| File size: | 102'912 bytes |
| First seen: | 2022-04-08 08:55:10 UTC |
| Last seen: | Never |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 3072:XrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAWTHDm2k2kp9/f9For:7xEtjPOtioVjDGUU1qfDlavx+W2QnAWP |
| TLSH | T14EA34A37B6A0C85BE5A807324CE2C7966673FC891E7E13073294F72E2B375E4AB12515 |
| Reporter |  abuse_ch |
| Tags: | AveMariaRAT ESP geo 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: 25 |
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 | 65349 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 | 5876 bytes | _VBA_PROJECT_CUR/VBA/_VBA_PROJECT |
| 12 | 4147 bytes | _VBA_PROJECT_CUR/VBA/__SRP_0 |
| 13 | 209 bytes | _VBA_PROJECT_CUR/VBA/__SRP_1 |
| 14 | 2884 bytes | _VBA_PROJECT_CUR/VBA/__SRP_2 |
| 15 | 686 bytes | _VBA_PROJECT_CUR/VBA/__SRP_3 |
| 16 | 614 bytes | _VBA_PROJECT_CUR/VBA/dir |
| 17 | 10503 bytes | _VBA_PROJECT_CUR/VBA/kjbkdfdgbook |
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) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pago Recibo.xls
Verdict:
No threats detected
Analysis date:
2022-04-08 22:56:16 UTC
Tags:
macros macros-on-open
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
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
macros macros-on-open packed
Label:
Malicious
Suspicious Score:
7.9/10
Score Malicious:
79%
Score Benign:
21%
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:
AveMaria UACMe
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: MS Office Product Spawning Exe in User Dir
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Threat name:
Document-Word.Downloader.Powdow
Status:
Malicious
First seen:
2022-04-07 13:26:57 UTC
File Type:
Document
Extracted files:
26
AV detection:
17 of 41 (41.46%)
Threat level:
3/5
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 SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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