MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0a8357cb9a1d348d1c4b4ec101f2328fd43f976803bcc360525ced55fbb9aeaf. 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
Stealc
Vendor detections: 14
| SHA256 hash: | 0a8357cb9a1d348d1c4b4ec101f2328fd43f976803bcc360525ced55fbb9aeaf |
|---|---|
| SHA3-384 hash: | 5fbea4fce67e2d411951eadf8afb57a4af3de2cae7d252f55ea4b0322d95cff8d99f4973b4809be2b829b6158809eaab |
| SHA1 hash: | 784a14954c7abca7d7e2e92c60b93557238426f4 |
| MD5 hash: | b9773393891d9cc471cd58cac09052dd |
| humanhash: | comet-music-arizona-william |
| File name: | file |
| Download: | download sample |
| Signature | Stealc |
| File size: | 358'000 bytes |
| First seen: | 2024-05-07 03:27:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:Dqv0Ib3JJzx1MfjF+N33l3+YBVYjZ7eZH9PJWweK/ojy8Kkc2ivFt+0P:Gb3TEbF+13NPYd6B9lcdFBsPP |
| Threatray | 30 similar samples on MalwareBazaar |
| TLSH | T1B1749FD48267CF37D3ED0778F095120593FD820B8893FB4A6A2416A1590A3E2F7566FB |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Reporter |  Bitsight |
| Tags: | exe Stealc |
Bitsight
url: https://vk.com/doc5294803_669318060?hash=epRt3vdkK1ZZo47cHTL3RZ1sb58ihW7AJvaZf3F7gQX&dl=IKzxkb1AxoQ79X9toqZ3L4j3XEdY3sXlMO5YqEZTojg&api=1&no_preview=1#meneIntelligence
File Origin
# of uploads :
1
# of downloads :
302
Origin country :
USVendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
0a8357cb9a1d348d1c4b4ec101f2328fd43f976803bcc360525ced55fbb9aeaf.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 03:31:06 UTC
Tags:
vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
net_reactor overlay packed packed
Verdict:
Malicious
Labled as:
Zusy.Generic
Malware family:
Vidar
Verdict:
Malicious
Result
Threat name:
PureLog Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-05-06 23:04:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
28 of 37 (75.68%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 20 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Score:
10/10
Tags:
family:stealc family:vidar family:zgrat botnet:ad7dbf02afc50b46afd33ddc12f41082 rat stealer
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detect Vidar Stealer
Detect ZGRat V1
Stealc
Vidar
ZGRat
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199680449169
https://t.me/r1g1o
https://t.me/r1g1o
Unpacked files
SH256 hash:
9716abb03b43541f7bd0366f658b26f826d94ef788b9682df7efc83fc7167b78
MD5 hash:
1eb171006fa5ba5d5ed31d2e7d19bb61
SHA1 hash:
25d470c77e5c7a89a3ef9ae120d779a4d24753ac
Detections:
VidarStealer
win_stealc_a0
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
SH256 hash:
0a8357cb9a1d348d1c4b4ec101f2328fd43f976803bcc360525ced55fbb9aeaf
MD5 hash:
b9773393891d9cc471cd58cac09052dd
SHA1 hash:
784a14954c7abca7d7e2e92c60b93557238426f4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.12
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: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Privateloader
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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