MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 79cf54cb43eb9c510c7ce3271962f8d5befd28628688da4f625b01d9b52d5030. 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
BazaLoader
Vendor detections: 8
Maldoc score: 13
| SHA256 hash: | 79cf54cb43eb9c510c7ce3271962f8d5befd28628688da4f625b01d9b52d5030 |
|---|---|
| SHA3-384 hash: | bcfc553d68fd6d3883e26eb3092a3d26db9665284485a3ac789fa200735e1216f5212d92102965351371c31522526266 |
| SHA1 hash: | 9d51504ee0d0260aedacc88ac4e7f63dc14ba28e |
| MD5 hash: | e83d4cca63407172719058a037997607 |
| humanhash: | four-twelve-montana-bluebird |
| File name: | legal agreement 11.15.2021.doc |
| Download: | download sample |
| Signature | BazaLoader |
| File size: | 34'629 bytes |
| First seen: | 2021-11-16 13:02:55 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 768:hMmx9RajVypHq02VWnZdw9822zAG0qzDXcn:OmLRapyVrcWwkKyk |
| TLSH | T1E4F2E01ED522E864C726E47DE0690AFAF238C412A154C88E1476E7CF03B169343F7F59 |
| Reporter |  adrian__luca |
| Tags: | BazaLoader doc |
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: 13 |
OLE dump
MalwareBazaar was able to identify 11 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 402 bytes | PROJECT |
| A2 | 56 bytes | PROJECTwm |
| A3 | 2335 bytes | VBA/ThisDocument |
| A4 | 2914 bytes | VBA/_VBA_PROJECT |
| A5 | 1708 bytes | VBA/__SRP_0 |
| A6 | 234 bytes | VBA/__SRP_1 |
| A7 | 983 bytes | VBA/__SRP_2 |
| A8 | 364 bytes | VBA/__SRP_3 |
| A9 | 553 bytes | VBA/dir |
| A10 | 1173 bytes | VBA/main |
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 | document_open | Runs when the Word or Publisher document is opened |
| 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 | StrReverse | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| Suspicious | exec | May run an executable file or a system |
| 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 :
138
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Moving a recently created file
Sending a UDP request
Launching a process
Creating a process with a hidden window
DNS request
Connection attempt
Sending an HTTP GET request
Deleting a recently created file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Word File with Macro
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
macros macros-on-open mshta regsvr32 virus
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
96 / 100
Signature
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Register DLL with spoofed extension
Sigma detected: Regsvr32 Anomaly
Sigma detected: Regsvr32 Command Line Without DLL
Sigma detected: Suspicious MSHTA Process Patterns
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Trojan.Bazarloader
Status:
Malicious
First seen:
2021-11-16 13:03:06 UTC
AV detection:
14 of 27 (51.85%)
Threat level:
5/5
Result
Malware family:
bazarloader
Score:
10/10
Tags:
family:bazarloader dropper loader macro
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Bazar/Team9 Loader payload
Bazar Loader
Process spawned unexpected child process
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.
Malspam
Delivery method
Distributed via e-mail attachment
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