MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 882d95bdbca75ab9d13486e477ab76b3978e14d6fca30c11ec368f7e5fa1d0cb. 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: 9
| SHA256 hash: | 882d95bdbca75ab9d13486e477ab76b3978e14d6fca30c11ec368f7e5fa1d0cb |
|---|---|
| SHA3-384 hash: | 46dbb5a1b1608f4a11e9565203c2513071a86b5238fb39c8138bb01bcc9823dae023f50d80efb1bd6edd3551f82999b3 |
| SHA1 hash: | e243975bde2276b48b74025cf5c27b3b0c8ea198 |
| MD5 hash: | 8aec9363db389e4b18e5e25e17bc7da7 |
| humanhash: | lake-north-network-solar |
| File name: | update.exe |
| Download: | download sample |
| File size: | 9'874'752 bytes |
| First seen: | 2023-04-04 15:56:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ba5546933531fafa869b1f86a4e2a959 (10 x DCRat, 3 x RedLineStealer, 2 x RemcosRAT) |
| ssdeep | 196608:ufzKCnCsXDjDyfeNJm3AqkdJolpPgToa10/472EbPxFOnJPlm2b:SzKcCEDd/m3paJ83a10w7hDxsJlmG |
| Threatray | 27 similar samples on MalwareBazaar |
| TLSH | T1AAA633468AD02DEDFD77A13A8D959942C9B23C6B5324C24B09AC13476D339B24D7FB23 |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | e8f0c8cd4d88c0e0 (2 x CoinMiner, 1 x CobaltStrike) |
| Reporter |  sans_isc |
| Tags: | backdoor efile.com exe Python signed |
Code Signing Certificate
| Organisation: | Sichuan Niurui Science and Technology Co., Ltd. |
|---|---|
| Issuer: | Sectigo Public Code Signing CA R36 |
| Algorithm: | sha384WithRSAEncryption |
| Valid from: | 2022-04-08T00:00:00Z |
| Valid to: | 2024-04-07T23:59:59Z |
| Serial number: | c11e1aa05bd747eab43fb31eb6a531dc |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 941f449e8a329b6d161d78b51dcec6b15c5dcc455517b499635cbf08c0beceb5 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
sans_isc
JavaScript code on efile.com directed users to a fake error page that offered this binary for download.Analysis https://isc.sans.edu/diary/Analyzing%20the%20efile.com%20Malware%20%22efail%22/29712
Intelligence
File Origin
# of uploads :
1
# of downloads :
340
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://winwin.co.th/intro/update.exe
Verdict:
No threats detected
Analysis date:
2023-04-02 19:47:08 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a file
DNS request
Creating a file in the Program Files subdirectories
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
greyware overlay packed
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Result
Threat name:
Unknown
Detection:
clean
Classification:
n/a
Score:
6 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win64.Trojan.BrokenDynamo
Status:
Malicious
First seen:
2023-03-17 18:51:14 UTC
File Type:
PE+ (Exe)
Extracted files:
1312
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 17 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
pyinstaller
Behaviour
Suspicious use of WriteProcessMemory
Loads dropped DLL
Unpacked files
SH256 hash:
882d95bdbca75ab9d13486e477ab76b3978e14d6fca30c11ec368f7e5fa1d0cb
MD5 hash:
8aec9363db389e4b18e5e25e17bc7da7
SHA1 hash:
e243975bde2276b48b74025cf5c27b3b0c8ea198
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PyInstaller |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies executable converted using PyInstaller. |
| Rule name: | Suspicious_Macro_Presence |
|---|---|
| Author: | Mehmet Ali Kerimoglu (CYB3RMX) |
| Description: | This rule detects common malicious/suspicious implementations. |
| Rule name: | upxHook |
|---|---|
| Author: | @r3dbU7z |
| Description: | Detect artifacts from 'upxHook' - modification of UPX packer |
| Reference: | https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe 882d95bdbca75ab9d13486e477ab76b3978e14d6fca30c11ec368f7e5fa1d0cb
(this sample)
Delivery method
Distributed via web download
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