MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dd812fc747a7e389fd641eff10517478feef81056c21582061db8c3e2e7173f1. 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
NanoCore
Vendor detections: 11
| SHA256 hash: | dd812fc747a7e389fd641eff10517478feef81056c21582061db8c3e2e7173f1 |
|---|---|
| SHA3-384 hash: | d05733b7a1b31f518a6452511c36e603e2ee0633cabba4bea7bb8403f9e4afbea406f48f27b5349aa5a7199da9968d97 |
| SHA1 hash: | 5e5cfc315989c0b4e2fa94aa5b7ea40673bb2fa0 |
| MD5 hash: | 19182b5b4bdb03edc3b6b512eaaedc1c |
| humanhash: | emma-double-nuts-stream |
| File name: | APR 21SOA.xlsx |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 2'466'816 bytes |
| First seen: | 2021-04-08 06:06:13 UTC |
| Last seen: | Never |
| File type: |  xlsx |
| MIME type: | application/encrypted |
| ssdeep | 49152:FScFcncn1UlibdLjY5MIkdkwIVBimUDYklpv5yyAp3uG5GAgxsAwifKu/W:FeS1UwbBjY5MIkd3IVUEc29UTW |
| TLSH | A3B533AC2DCACB93C41977B1D815FD381A26BE636B2089677645752D3133BB903EB81C |
| Reporter |  abuse_ch |
| Tags: | NanoCore VelvetSweatshop xlsx |
abuse_ch
Malspam distributing unidentified malware:HELO: mx8-dti.idweb.host
Sending IP: 202.52.146.18
From: Shelly Grace <shelly@th-fs.com>
Reply-To: Shelly Grace <shabi@gol.com>
Subject: RE: SOA
Attachment: APR 21SOA.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
| Application name is unknown |
| Office document is in OLE format |
| Office document is in encrypted |
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 | 200 bytes | DataSpaces/TransformInfo/StrongEncryptionTransform/Primary |
| 4 | 76 bytes | DataSpaces/Version |
| 5 | 2443560 bytes | EncryptedPackage |
| 6 | 224 bytes | EncryptionInfo |
Intelligence
File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
APR 21SOA.xlsx
Verdict:
Malicious activity
Analysis date:
2021-04-08 06:10:25 UTC
Tags:
encrypted exploit CVE-2017-11882 loader covid19 rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
DNS request
Creating a file
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects in Encrypted Excel File
Document image
Image:
Result
Verdict:
MALICIOUS
Link:
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.Heuristic
Status:
Malicious
First seen:
2021-04-08 04:55:29 UTC
AV detection:
11 of 48 (22.92%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
79.134.225.30:1144
nassiru1155.ddns.net:1144
nassiru1155.ddns.net:1144
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Exploit
Score:
1.00
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.
Malspam
Delivery method
Distributed via e-mail attachment
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