MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c42f2de0c217db3c8c9a504bac9aa5670241bba35e7be03dd83aeb07c5a7f639. 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: 16
| SHA256 hash: | c42f2de0c217db3c8c9a504bac9aa5670241bba35e7be03dd83aeb07c5a7f639 |
|---|---|
| SHA3-384 hash: | 288b409a901057e4ca49ffa545f1cee5b7f64632dce81a241d08a373c2ca45a5559ff63569054e7135287e207dd33f91 |
| SHA1 hash: | ce4da1570acd4b44abbf9c66c43bd33e0dae700a |
| MD5 hash: | 9fce104888fa8e252458c1390d82f33a |
| humanhash: | berlin-wolfram-oklahoma-oklahoma |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 584'704 bytes |
| First seen: | 2025-11-25 15:48:19 UTC |
| Last seen: | 2025-11-25 15:50:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 31e06ec6723bcc3b75c69a4521e4b8f5 (18 x Vidar) |
| ssdeep | 12288:F+beTV3Lo0zSmGefJsvD7OukwMV70ZCbuRnyXC8eczrk2E6j2FXl:EqTFLfMefJsvygAbuRUecz916p |
| TLSH | T1B8C423F8F24EC164F78E5EF100EF7405942672B83E2EB9108C8D022B2CB5657F99E526 |
| 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) : | 584'704 bytes |
|---|---|
| File size (de-compressed) : | 1'349'120 bytes |
| Format: | win64/pe |
| Unpacked file: | 6ee9500d27d7e6d83d08793eccc01f9ca6912ab44546e2e6fa946c3fbd50e685 |
Intelligence
File Origin
# of uploads :
3
# of downloads :
117
Origin country :
USVendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-25 15:51:39 UTC
Tags:
stealer stealc vidar api-base64 upx xor-url generic
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:
emotet cobalt
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Behavior that indicates a threat
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:
2025-11-25T13:09:00Z UTC
Last seen:
2025-11-27T11:01:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.Win32.Sdum.gen Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealerc.sxv
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.VIDAR
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-11-25 15:49:17 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar botnet:f9783d1cf35f1722ac2571f33e328b36 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
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Unpacked files
SH256 hash:
c42f2de0c217db3c8c9a504bac9aa5670241bba35e7be03dd83aeb07c5a7f639
MD5 hash:
9fce104888fa8e252458c1390d82f33a
SHA1 hash:
ce4da1570acd4b44abbf9c66c43bd33e0dae700a
SH256 hash:
6ee9500d27d7e6d83d08793eccc01f9ca6912ab44546e2e6fa946c3fbd50e685
MD5 hash:
34eceee5bea529228ddf4664526b85f9
SHA1 hash:
f299dff4d15e4205322ccb3b22d64122ae1bdf82
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | dgaagas |
|---|---|
| Author: | Harshit |
| Description: | Uses certutil.exe to download a file named test.txt |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| 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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