MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c4d9a23f816da2a5aa705f929a5256d12561213db129569b428e7ac1fb06e281. 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: 9
| SHA256 hash: | c4d9a23f816da2a5aa705f929a5256d12561213db129569b428e7ac1fb06e281 |
|---|---|
| SHA3-384 hash: | 29ee0cf5b5d075294612e06f32a84dbf84084d6a342252c6ea3563b93b410bacf8c5ad7b7099bcd08f2114fd4db47383 |
| SHA1 hash: | e65a85bca69e9d1213ec8e086adf09fe912f4173 |
| MD5 hash: | c24f1275e82e5db951dad021bb615f98 |
| humanhash: | johnny-hamper-august-utah |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 3'815'136 bytes |
| First seen: | 2023-10-28 00:26:47 UTC |
| Last seen: | 2023-10-28 23:32:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 87d0737459c3ebc7de35794db4768b2f (6 x Vidar, 2 x CoinMiner, 1 x Smoke Loader) |
| ssdeep | 49152:vBD0D6qxKcfTpAnri0m/eF09RNfDz7T5ID3q9usc/1o9nSJTl0poM+lyLOzZ/0dU:Rv2HkJsYwNM |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | T1EE062960D34195E5D297C070CD960FF4A5E2743B82364B0F1A84DD272DFAF61AFAD2A2 |
| 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: | 2023-10-28T00:19:30Z |
| Valid to: | 2024-10-28T00:19:30Z |
| Serial number: | c6a590baace09745ce914131cde92fa1 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 54ff2c0b9318c8bdf958cc381ec1411928e3b6fc0bd8df8909eda07b2315862c |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
14
# of downloads :
388
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
signed.zip
Verdict:
No threats detected
Analysis date:
2023-10-28 01:19:08 UTC
Tags:
n/a
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
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file
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
Using the Windows Management Instrumentation requests
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a service
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
Enabling autorun for a service
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
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
Verdict:
Unknown
Score:
88%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-28 00:27:06 UTC
File Type:
PE+ (Exe)
AV detection:
15 of 22 (68.18%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
vidar
Score:
10/10
Tags:
family:dcrat family:glupteba family:smokeloader family:vidar botnet:ecfea5e785cf6eb1f47a5865492bbbb3 botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat spyware stealer trojan upx
Behaviour
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Modifies data under HKEY_USERS
Enumerates system info in registry
Delays execution with timeout.exe
Creates scheduled task(s)
Checks processor information in registry
Checks SCSI registry key(s)
Program crash
Enumerates physical storage devices
Launches sc.exe
Drops file in Windows directory
Drops file in Program Files directory
Checks for VirtualBox DLLs, possible anti-VM trick
Suspicious use of SetThreadContext
Drops file in System32 directory
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Accesses 2FA software files, possible credential harvesting
Windows security modification
UPX packed file
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
Drops startup file
Checks BIOS information in registry
Stops running service(s)
Possible attempt to disable PatchGuard
Modifies Windows Firewall
Drops file in Drivers directory
Downloads MZ/PE file
Modifies boot configuration data using bcdedit
Windows security bypass
Vidar
Suspicious use of NtCreateUserProcessOtherParentProcess
SmokeLoader
Glupteba payload
Glupteba
DcRat
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:
c4d9a23f816da2a5aa705f929a5256d12561213db129569b428e7ac1fb06e281
MD5 hash:
c24f1275e82e5db951dad021bb615f98
SHA1 hash:
e65a85bca69e9d1213ec8e086adf09fe912f4173
Malware family:
Vidar.A
Verdict:
Malicious
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: | 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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