MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a295acadd9315a1dbdd0b1a96b84844181ac8a462a3b42be3db8e7e04d03956c. 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
Formbook
Vendor detections: 9
Maldoc score: 9
| SHA256 hash: | a295acadd9315a1dbdd0b1a96b84844181ac8a462a3b42be3db8e7e04d03956c |
|---|---|
| SHA3-384 hash: | abefc05e3360fed3a200b713d79f1fc2645d290f621e617346b1a1f4a11199f8071a41e2aa6682d9249c39663b63c4f3 |
| SHA1 hash: | ac582b228ea8fb7a14f24265585c937c83a864d4 |
| MD5 hash: | 394b7f2d28e0b439323f9c38f1f84274 |
| humanhash: | network-hotel-aspen-double |
| File name: | 394b7f2d_by_Libranalysis |
| Download: | download sample |
| Signature | Formbook |
| File size: | 16'974 bytes |
| First seen: | 2021-04-27 22:02:39 UTC |
| Last seen: | 2021-04-27 22:50:00 UTC |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 384:AKlle8oG7UZpu26QpVQOGOPjTupyi6atQITMaT5jr:AKllYGgZ026WQOZlTIgqjr |
| TLSH | AF72BF4DDA91F456C652A13C488912BCB248615EBF03C64DAC54DBBE1E84BCB13C71DF |
| Reporter |  Libranalysis |
| Tags: | FormBook |
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: 9 |
OLE dump
MalwareBazaar was able to identify 12 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 489 bytes | PROJECT |
| A2 | 119 bytes | PROJECTwm |
| A3 | 991 bytes | VBA/Sheet1 |
| A4 | 1247 bytes | VBA/ThisWorkbook |
| A5 | 4555 bytes | VBA/_VBA_PROJECT |
| A6 | 1675 bytes | VBA/__SRP_0 |
| A7 | 310 bytes | VBA/__SRP_1 |
| A8 | 267 bytes | VBA/__SRP_2 |
| A9 | 284 bytes | VBA/__SRP_3 |
| A10 | 603 bytes | VBA/dir |
| A11 | 7598 bytes | VBA/yQ2MvjFtIhsiUjsPNd |
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 | Run | May run an executable file or a system command |
| Suspicious | CreateObject | May create an OLE object |
| 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 :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
394b7f2d_by_Libranalysis
Verdict:
No threats detected
Analysis date:
2021-04-27 22:05:12 UTC
Tags:
macros macros-on-open generated-doc
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:
True
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a file
Launching cmd.exe command interpreter
Deleting a recently created file
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Running batch commands by exploiting the app vulnerability
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
Malicious
File Type:
Excel File with Macro
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.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with many randomly named variables
Document contains an embedded VBA with many string operations indicating source code obfuscation
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-Word.Downloader.Heuristic
Status:
Malicious
First seen:
2021-04-27 14:57:29 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
macro
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
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 |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| 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.
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