MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6c644fd7ec9da6569d5808f37aacb67e3fc2263ae42b34e231f9cc4561571b56. 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: | 6c644fd7ec9da6569d5808f37aacb67e3fc2263ae42b34e231f9cc4561571b56 |
|---|---|
| SHA3-384 hash: | 9a9cddfa299888cb4581c9f76eadda5a7f959cc344f00f10daa5e18c78a04d85f92ba7a74411a809183c0168a219977b |
| SHA1 hash: | 2ee0dc3d9af416cc558bb3a22ccdd9ca4a060c79 |
| MD5 hash: | f4a6508bfd7fa0fa1d55b98fdb69ce9b |
| humanhash: | bakerloo-cardinal-wisconsin-edward |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 588'288 bytes |
| First seen: | 2025-12-12 21:36:31 UTC |
| Last seen: | 2025-12-12 21:49:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 31e06ec6723bcc3b75c69a4521e4b8f5 (53 x Vidar) |
| ssdeep | 12288:0jfEDPOHkgR4jvqflM+DoNDY0IUK9xFz:0jfGc6jMlMM6BIN9 |
| Threatray | 284 similar samples on MalwareBazaar |
| TLSH | T107C42307A1C45EEDD84D0DB0672F898FAB7E3E9C32E8D45FEA9148EC06C72E16952057 |
| 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 |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 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: | ee08d090dd8e344c7745201232b1020dd7e2873896b2fc32374c3bd75d887a4d |
Intelligence
File Origin
# of uploads :
2
# of downloads :
130
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
PEPacker
a UPX version number and an unpacked binary
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-12 21:37:12 UTC
Tags:
xor-url generic upx
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 emotet virus remo
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug crypter crypto fingerprint hacktool infostealer mikey obfuscated packed packed packed upx vidar
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-12T19:03:00Z UTC
Last seen:
2025-12-14T12:08:00Z UTC
Hits:
~100
Detections:
VHO:Trojan-PSW.Win32.Vidar.gen Trojan-PSW.Win32.Stealerc.tdz Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C PDM:Trojan.Win32.Generic
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:
2025-12-12 21:56:34 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
vidar
Similar samples:
+ 274 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:58c58af19c5d1f23ee7037bac8f30c07 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
Vidar family
Detects Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198761022496
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
6c644fd7ec9da6569d5808f37aacb67e3fc2263ae42b34e231f9cc4561571b56
MD5 hash:
f4a6508bfd7fa0fa1d55b98fdb69ce9b
SHA1 hash:
2ee0dc3d9af416cc558bb3a22ccdd9ca4a060c79
SH256 hash:
ee08d090dd8e344c7745201232b1020dd7e2873896b2fc32374c3bd75d887a4d
MD5 hash:
6aed1dba820719826ed4d18fd9713ff3
SHA1 hash:
ad4ceb42c451bfefd4ede133fa48d394dcd68481
Detections:
SUSP_XORed_URL_In_EXE
SUSP_XORed_Mozilla
Malware family:
Vidar
Verdict:
Malicious
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: | 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: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| 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.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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