MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef. 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


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef
SHA3-384 hash: 7f1a986c093dbc685a59f36007b625f4229053201821605e153622b475526683a2839e96792e9aeab93de0ddef6ad75f
SHA1 hash: ba26f26e3b8512b687a582f6be7c62040568c67b
MD5 hash: 579b4d4e2c1b0577a270de87d243fa5f
humanhash: ten-ack-rugby-solar
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:250'504 bytes
First seen:2024-04-03 09:56:07 UTC
Last seen:2024-04-03 11:27:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:m7u96hJlY5sSm8BGc3QKLrDK8f5xGmkz3PHV3kiXcMLssQFTCLOhbAdJok/2l0Ln:19cuVP3fXWa52jP1kiXyuo4ok9uY
TLSH T1B3341261C6931AB1CC0B1730E4C8C863ABBDB7497807EE97309DC1585F95BC37BA4A5A
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 vidar


Avatar
Bitsight
url: https://vk.com/doc329118071_676577232?hash=dzl36KVwzoIoY3GZVJM9LCfFEFjFujB3UnUWjzayorw&dl=udfdYpBSzsk02QTX1VwZwC5zPC89aCaSpb3N1YNIC7H&api=1&no_preview=1#mene

Intelligence

File Origin
# of uploads :
3
# of downloads :
339
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 09:58:47 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/52a6a14a-889b-44d1-b3fe-7f09fc37a74e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor overlay packed packed
Link:
https://www.filescan.io/uploads/660d27f2a0783463faa002e2/reports/fbfbbdcf-e1f9-4d52-b443-0998226cb6dd/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef
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.
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6b5d310-36f5-4dca-9faf-04784245aaf9
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419275
Signature
.NET source code contains very large array initializations
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
Country aware sample found (crashes after keyboard check)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
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 Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419275 Sample: file.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 27 steamcommunity.com 2->27 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 8 other signatures 2->39 7 file.exe 1 2->7         started        signatures3 process4 signatures5 41 Contains functionality to inject code into remote processes 7->41 43 Writes to foreign memory regions 7->43 45 Allocates memory in foreign processes 7->45 47 Injects a PE file into a foreign processes 7->47 10 RegAsm.exe 36 7->10         started        15 WerFault.exe 21 16 7->15         started        17 conhost.exe 7->17         started        process6 dnsIp7 29 168.119.60.168, 443, 49732, 49736 HETZNER-ASDE Germany 10->29 31 steamcommunity.com 23.194.234.100, 443, 49731 AKAMAI-ASUS United States 10->31 19 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 10->19 dropped 21 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->21 dropped 23 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->23 dropped 25 10 other files (none is malicious) 10->25 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->49 51 Found many strings related to Crypto-Wallets (likely being stolen) 10->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->53 55 5 other signatures 10->55 file8 signatures9
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 09:57:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vm3ibsyypmmxm5k5gi7uacazoqafuivm47kq4vp6ysmcbxrsj7xq._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar stealer
Link:
https://tria.ge/reports/240403-lyxk9sbg7s/
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
Unpacked files
SH256 hash:
67c1b351e4a7c1b39ae2dde99d471e1e87099f774d2b563e44c1cf6c268b5b1a
MD5 hash:
de7c926152a3cf1e200e1a8e10af5198
SHA1 hash:
b982b18e77e810ae0c509a6416288ca7649b7de3
Detections:
VidarStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Link:
https://www.unpac.me/results/3370e9bc-2ad3-45bc-9134-1d95c6ac3cfd/
Parent samples :
f714adc256ed7b0d48a50c9b10d0db1d6285541801e720569c86fceeba072697
059f83868e7063b70bb6a36a7a9a618a4b3887c4dce94cc713d400e45b2337b5
58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff
3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5
be2346fa2bef1b558f011862043e37bf5cef8b2290202a64a450a08750820462
5bde316bb02a4d1c0e5530093c04f48e6bb862a828f154b5ad2a19c3a032937d
aff0f558c434e6f1926e5702d858dc4a33997ef37fc42b4121c167a0f2e94ede
ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef
18d33f220e10209ec1b7877b42cda65ca18f6c724ee3b02cb4e5263301cb68f5
SH256 hash:
ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef
MD5 hash:
579b4d4e2c1b0577a270de87d243fa5f
SHA1 hash:
ba26f26e3b8512b687a582f6be7c62040568c67b
Link:
https://www.unpac.me/results/3370e9bc-2ad3-45bc-9134-1d95c6ac3cfd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab3680cb187b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef

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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Vidar

Executable exe ab3680cb187b1976755d323f40081974005a22ace7d50e55fec49820de324fef

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments