MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2b66105f75d8ce48ab04333a632bcab32cfcf8c33c03e70d3dce7c5d9ae8e45f. 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: 12
| SHA256 hash: | 2b66105f75d8ce48ab04333a632bcab32cfcf8c33c03e70d3dce7c5d9ae8e45f |
|---|---|
| SHA3-384 hash: | c9e8299e9368448c975145330e45ba2ca7f1c41f525461093c313bd7823edd185a41f180c4eb0a53a28b46e415ae0719 |
| SHA1 hash: | 278422d20b5dccf52327a3b0e395c26ab2f588ce |
| MD5 hash: | 1d61ea9962d672fb734b8f55e00ca1e4 |
| humanhash: | cold-nebraska-emma-bulldog |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 3'815'136 bytes |
| First seen: | 2023-10-28 12:50:30 UTC |
| Last seen: | 2023-10-28 23:33:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 87d0737459c3ebc7de35794db4768b2f (6 x Vidar, 2 x CoinMiner, 1 x Smoke Loader) |
| ssdeep | 49152:1RD0D6qei0HbR4Brb0JmdN97G9/zTrz5QYQOaIc/1j9nSJTl0poB+7vLOzHnsd42:vHVkJsYwNS |
| Threatray | 11 similar samples on MalwareBazaar |
| TLSH | T1E1062A60D34195E5D297C030CD964FF4A5E2743B82364B0F1A84DD272DFAFA1AFAD262 |
| TrID | 53.0% (.EXE) InstallShield setup (43053/19/16) 20.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 12.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 2.4% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  andretavare5 |
| Tags: | exe signed vidar |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-10-28T08:45:09Z |
| Valid to: | 2024-10-28T08:45:09Z |
| Serial number: | 9be2583e8eaf05eff2b53c225c25203c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | d61b182a2b348ea63f2c1bc88b6e4fc12150af08bb289884a5df909f207e78a3 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
10
# of downloads :
353
Origin country :
USVendor Threat Intelligence
Malware family:
arkei
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-28 13:08:48 UTC
Tags:
sinkhole opendir loader stealer arkei vidar evasion privateloader smoke redline stealc ransomware stop amadey botnet trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Moving a file to the Program Files subdirectory
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Running batch commands
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Connecting to a non-recommended domain
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control greyware hacktool lolbin overlay packed remote
Verdict:
Malicious
Labled as:
Lazy.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Score:
89%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-28 12:51:05 UTC
File Type:
PE+ (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 1 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:dcrat family:glupteba family:smokeloader family:vidar botnet:343742eb8728a53ee22a7a2c96370cfb botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Checks BIOS information in registry
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
DcRat
Glupteba
Glupteba payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199564671869
https://t.me/scubytale
http://host-file-host6.com/
http://host-host-file8.com/
https://t.me/scubytale
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
2b66105f75d8ce48ab04333a632bcab32cfcf8c33c03e70d3dce7c5d9ae8e45f
MD5 hash:
1d61ea9962d672fb734b8f55e00ca1e4
SHA1 hash:
278422d20b5dccf52327a3b0e395c26ab2f588ce
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__MemoryWorkingSet |
|---|---|
| Author: | Fernando Mercês |
| Description: | Anti-debug process memory working set size check |
| Reference: | http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/ |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| 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.
Dropped by
PrivateLoader
Delivery method
Distributed via drive-by
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