MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 13b81dda189f2bc156aebe7660ebe394a1c76fc8f0698eae90e4042d5a72b6f6. 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: 17
| SHA256 hash: | 13b81dda189f2bc156aebe7660ebe394a1c76fc8f0698eae90e4042d5a72b6f6 |
|---|---|
| SHA3-384 hash: | 85e000d4afd5b35b7a1a7ce43ea96c03533a0ce32f815b0ece420cf49339bb92f88c2e1c48341a90981d5a467ef6d389 |
| SHA1 hash: | 75b0a22c4499cf3aa084bdec554f1587480abd09 |
| MD5 hash: | dddb035eff9cef383de6adc5b3f3bc69 |
| humanhash: | alabama-social-leopard-double |
| File name: | dddb035eff9cef383de6adc5b3f3bc69 |
| Download: | download sample |
| Signature | Vidar |
| File size: | 588'288 bytes |
| First seen: | 2025-12-15 10:17:13 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 31e06ec6723bcc3b75c69a4521e4b8f5 (53 x Vidar) |
| ssdeep | 12288:C5vy8rf1aFmD21V3m6mCmav9+0dsTlJ2YPo+:C5vyUdaNXmCm+i5J2YPo+ |
| Threatray | 288 similar samples on MalwareBazaar |
| TLSH | T113C423246094AD0BF0047B374347D799E2389E81678B8E2FF965C8B18B8FCA53E57647 |
| TrID | 63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12) 24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6) 4.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.8% (.ICL) Windows Icons Library (generic) (2059/9) 1.8% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe UPX vidar |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 588'288 bytes |
|---|---|
| File size (de-compressed) : | 1'353'216 bytes |
| Format: | win64/pe |
| Unpacked file: | fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
73
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
PEPacker
a UPX version number and an unpacked binary
Malware family:
amadey
ID:
1
File name:
251204-3rsr6swmaw_pw_infected.zip
Verdict:
Malicious activity
Analysis date:
2025-12-14 02:52:38 UTC
Tags:
auto amadey botnet metasploit framework valley rat arch-exec redline stealer loader stealc vidar unlocker-eject tool generic themida rdp xred backdoor cobaltstrike github pastebin python smb neshta dharma ransomware seetrol rmm-tool meterpreter miner telegram adware worm snake keylogger azorult masslogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
ransomware trojanpsw emotet virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Connection attempt to an infection source
Behavior that indicates a threat
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug crypter crypto fingerprint hacktool infostealer mikey packed packed packed stealer upx vidar
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-10T13:32:00Z UTC
Last seen:
2025-12-17T06:53:00Z UTC
Hits:
~100
Verdict:
Suspicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.STEALC
Threat name:
Win64.Trojan.VidarStealer
Status:
Malicious
First seen:
2025-12-10 15:24:31 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
vidar
Similar samples:
+ 278 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:16f3e9fb7e7aa1245dfd278b7155d9d9 discovery spyware stealer upx
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Drops file in Windows directory
UPX packed file
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:
fb64b596a9704845502f7eea9714c25b5658c6c2d77084a7f6a8d20d5db72c12
MD5 hash:
17d5f1f2d71e37b40fe941101b2cefe9
SHA1 hash:
71891b43eb4e46b35d3ff8a6cadb47501b480a17
Detections:
SUSP_XORed_URL_In_EXE
SUSP_XORed_Mozilla
SH256 hash:
13b81dda189f2bc156aebe7660ebe394a1c76fc8f0698eae90e4042d5a72b6f6
MD5 hash:
dddb035eff9cef383de6adc5b3f3bc69
SHA1 hash:
75b0a22c4499cf3aa084bdec554f1587480abd09
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | 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: | SUSP_XORed_Mozilla_Oct19 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| 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 |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
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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