MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8f85357f6ffa9ed4190aecc8d75270df936ec412f578bf265e1c655975b63578. 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
Vidar
Vendor detections: 14
| SHA256 hash: | 8f85357f6ffa9ed4190aecc8d75270df936ec412f578bf265e1c655975b63578 |
|---|---|
| SHA3-384 hash: | ac92554a069b8221a2261237882a93393f1fcbd7ab93864adfccadea368deb9b9eb4970ba9e9b497dec7ed768e551308 |
| SHA1 hash: | c653f36918bf9ca405840c60cec672e38045afba |
| MD5 hash: | f475dc74ff2dfe6c48e323bc2d3dab37 |
| humanhash: | november-butter-enemy-virginia |
| File name: | Vl42rA8dkRKp2D9.exe |
| Download: | download sample |
| Signature | Vidar |
| File size: | 1'969'664 bytes |
| First seen: | 2025-12-10 17:56:24 UTC |
| Last seen: | 2025-12-10 19:41:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 49152:AlP45AXXJci2singp8JvS3L3gsa4dAamy:gwuQsWtvS3sOdAam |
| TLSH | T1479512D03E69B70AEEA14230E47DDDB442E93CA870157BEA1AE93B5B74DD3109D48F21 |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10522/11/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  tcains1 |
| Tags: | exe vidar |
Intelligence
File Origin
# of uploads :
3
# of downloads :
126
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
TempSpoofer.exe
Verdict:
Malicious activity
Analysis date:
2025-12-10 17:54:13 UTC
Tags:
pastebin github
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
emotet small virus
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
krypt packed vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-09T21:14:00Z UTC
Last seen:
2025-12-11T01:03:00Z UTC
Hits:
~100
Detections:
Trojan.MSIL.Taskun.sb HEUR:Backdoor.MSIL.Remcos.gen
Verdict:
Unknown
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.50 Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.STEALC
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2025-12-10 02:15:42 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
13 of 24 (54.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:b2e948686852fd83f88b747cc2dd3b1a discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198761022496
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
8f85357f6ffa9ed4190aecc8d75270df936ec412f578bf265e1c655975b63578
MD5 hash:
f475dc74ff2dfe6c48e323bc2d3dab37
SHA1 hash:
c653f36918bf9ca405840c60cec672e38045afba
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
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: | Check_Debugger |
|---|
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | SUSP_XORed_URL_In_EXE |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | SUSP_XORed_URL_in_EXE_RID2E46 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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