MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f7c9d20dd6146600dbd1769e9e0c55cd6df66ca6d81e8d620ac89aed9c8cef50. 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
SilentBuilder
Vendor detections: 9
Maldoc score: 10
| SHA256 hash: | f7c9d20dd6146600dbd1769e9e0c55cd6df66ca6d81e8d620ac89aed9c8cef50 |
|---|---|
| SHA3-384 hash: | 82ea6a8c6137edee2fe44821a5546c9eefe4779bf8057edb0d2228d4f1f82cc8bf1c29188876ded4c31845198cafeedf |
| SHA1 hash: | 3a64ab2f972cb643a0c0558ea5df0a2d6f300202 |
| MD5 hash: | 5d6ef9cce2eee7b41ad4c8dfc97b7b9d |
| humanhash: | finch-uranus-leopard-bravo |
| File name: | SecuriteInfo.com.XLM.Trojan.Abracadabra.35.Gen.21038.12437 |
| Download: | download sample |
| Signature | SilentBuilder |
| File size: | 280'576 bytes |
| First seen: | 2022-09-22 01:07:20 UTC |
| Last seen: | Never |
| File type: |  xlsx |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 6144:KcPiTQAVW/89BQnmlcGvgZ7r3J8b5IXJK++DiR:miR |
| TLSH | T1B654C3D2B112A164E1585F36E826417C42EBEEAA7B78F18B2C04F3B73B771D13E41919 |
| TrID | 80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Reporter |  SecuriteInfoCom |
| Tags: | SilentBuilder xlsx |
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: 10 |
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 4096 bytes | DocumentSummaryInformation |
| 2 | 4096 bytes | SummaryInformation |
| 3 | 268492 bytes | Book |
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 |
|---|---|---|
| Hex String | EcFVHHU | 45634656484855 |
| Hex String | EeFEdeF | 45654645646546 |
| IOC | netr.dll | Executable file name |
| Suspicious | RUN | May run an executable file or a system command |
| Suspicious | EXEC | May run an executable file or a system |
| 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) |
| Suspicious | XLM macro | XLM macro found. It may contain malicious code |
Intelligence
File Origin
# of uploads :
1
# of downloads :
375
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.XLM.Trojan.Abracadabra.35.Gen.21038.12437
Verdict:
Malicious activity
Analysis date:
2022-09-22 01:14:22 UTC
Tags:
macros maldoc-42
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malicious
File Type:
Legacy Office File
Payload URLs
URL
File name
https://emploimed.com/netr.dll,adToF
Book
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
macros macros-on-open rundll32
Label:
Malicious
Suspicious Score:
6.7/10
Score Malicious:
67%
Score Benign:
33%
Result
Threat name:
Hidden Macro 4.0
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found Excel 4.0 Macro with suspicious formulas
Found malicious Excel 4.0 Macro
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Outdated Microsoft Office dropper detected
Yara detected hidden Macro 4.0 in Excel
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.Stratos
Status:
Malicious
First seen:
2021-05-01 14:20:47 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 47 (36.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
macro xlm
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
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://emploimed.com/netr.dll
Verdict:
Informative
Tags:
n/a
YARA:
n/a
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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