MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dd92d74c131f7a06080b0b6abc97b13435c9b22a77ffffa716c70c0675fe2859. 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
Threat unknown
Vendor detections: 10
| SHA256 hash: | dd92d74c131f7a06080b0b6abc97b13435c9b22a77ffffa716c70c0675fe2859 |
|---|---|
| SHA3-384 hash: | 6919c31820d4a2cea01855da2d1a033c39304cd3d435e69d5da7857b5d4a564a0d038fc62b578409c730fed26de2f03f |
| SHA1 hash: | 8bf4d30f932cac21d2bcc27dbf541c30464853f6 |
| MD5 hash: | 76ebbb9ce84b6106e730a20d40e7b55e |
| humanhash: | one-social-purple-carolina |
| File name: | оферта22.xlsx |
| Download: | download sample |
| File size: | 20'696 bytes |
| First seen: | 2022-04-14 05:41:48 UTC |
| Last seen: | 2022-04-14 19:22:39 UTC |
| File type: |  xlsx |
| MIME type: | application/encrypted |
| ssdeep | 384:Din5PcKjb7WmoeInSWYkmZEf/5wyHtoLSdTHWX:Du0KjXWmpInfYkmZEf/SLSdT2X |
| TLSH | T17492E4222FE4710AE1773BFD25D5DA1542D53F90482BCB0721B8B6A96071963FE335B8 |
| Reporter |  abuse_ch |
| Tags: | VelvetSweatshop 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 dump
| Detection: VelvetSweatshop |
MalwareBazaar was able to identify 6 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 64 bytes | DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace |
| 2 | 112 bytes | DataSpaces/DataSpaceMap |
| 3 | 208 bytes | DataSpaces/TransformInfo/StrongEncryptionTransform/Primary |
| 4 | 76 bytes | DataSpaces/Version |
| 5 | 16600 bytes | EncryptedPackage |
| 6 | 224 bytes | EncryptionInfo |
Intelligence
File Origin
# of uploads :
4
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
оферта22.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-14 07:49:39 UTC
Tags:
encrypted opendir trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
DNS request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Possible injection to a system process
Sending an HTTP GET request
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Payload URLs
URL
File name
https://maxiurl.com/RnjLY
oleObject1.bin
Document image
Image:
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
VelvetSweatshop
Label:
Malicious
Suspicious Score:
7.6/10
Score Malicious:
76%
Score Benign:
24%
Result
Verdict:
MALICIOUS
Link:
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2022-04-14 02:21:10 UTC
File Type:
Document
Extracted files:
26
AV detection:
13 of 26 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
suricata
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Abuses OpenXML format to download file from external location
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
xlsx dd92d74c131f7a06080b0b6abc97b13435c9b22a77ffffa716c70c0675fe2859
(this sample)
Delivery method
Distributed via e-mail attachment
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