MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ce779643edf787f7d2a6119053594ddc072e3eb86c142ae42bea0acd3bb6696. 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


AurotunStealer


Vendor detections: 13


Intelligence 13 IOCs 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ce779643edf787f7d2a6119053594ddc072e3eb86c142ae42bea0acd3bb6696
SHA3-384 hash: c862f6e360921b4de28a29fcf0b09aab021e20dcb3a1e6c363abc0375cb7c2fd35090fa3f2c8456f5116cf13c8a0e1de
SHA1 hash: 66202e37d8fa39235738f7aa3ea784bc178839a6
MD5 hash: 7ab97278db05e5e41df8ac3c87614394
humanhash: december-green-bakerloo-item
File name:flare.msi.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:21'161'984 bytes
First seen:2025-05-23 08:01:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c62fbaa2ebc1766016533627f58069b0 (1 x AurotunStealer)
ssdeep 98304:rx8l5TsATpqi5cXBXprhJrsFPkttShFyopP8Koqn9Mvs8cA0mXPX1ln/uJ:oVvcXBX93wZpTv9MvsxA0uXn/+
TLSH T1B5272329B7D905F8F076D1B484950A56F7B2382613A197DF03E14A961F2BEE05F3EB02
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:83-217-208-77 AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
83.217.208.77:7712

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
83.217.208.77:7712 https://threatfox.abuse.ch/ioc/1532659/

Intelligence

File Origin
# of uploads :
1
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
flare.msi
Verdict:
Malicious activity
Analysis date:
2025-05-22 10:08:16 UTC
Tags:
generated-doc api-base64 evasion
Link:
https://app.any.run/tasks/f4e2e247-0e8c-48e9-bcbf-a958179ab126

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.15574.14292.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68302c254912a6b9dd4c4d47
Tags:
vmdetect virus shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Creating a file in the system32 directory
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm fingerprint masquerade microsoft_visual_cc redcap
Link:
https://www.filescan.io/uploads/68302b62e336a33801dd11b9/reports/e22d5fc4-4b01-43bb-8492-d8dc96b55959/overview
Verdict:
Malicious
Labled as:
Win64/TrojanDropper.Agent_AGen
Link:
https://www.hybrid-analysis.com/sample/2ce779643edf787f7d2a6119053594ddc072e3eb86c142ae42bea0acd3bb6696
Result
Threat name:
Aurotun Stealer, MicroClip, Stealc v2
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1697546
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Aurotun Stealer
Yara detected MicroClip
Yara detected Stealc v2
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697546 Sample: flare.msi.exe Startdate: 23/05/2025 Architecture: WINDOWS Score: 100 35 marupizza.com 2->35 37 api.ipify.org 2->37 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for dropped file 2->59 61 10 other signatures 2->61 8 flare.msi.exe 2 2->8         started        13 Hueta.exe 2->13         started        15 svchost.exe 1 1 2->15         started        signatures3 process4 dnsIp5 39 83.217.208.77, 49681, 7712 INF-NET-ASRU Russian Federation 8->39 41 api.ipify.org 104.26.13.205, 443, 49684 CLOUDFLARENETUS United States 8->41 43 127.0.0.1 unknown unknown 8->43 29 C:\Windows\System32\Hueta.exe, PE32+ 8->29 dropped 31 C:\Users\user\...\ZYO9B6vabLz7UWNx5fEG, PE32 8->31 dropped 63 Found many strings related to Crypto-Wallets (likely being stolen) 8->63 65 Found hidden mapped module (file has been removed from disk) 8->65 67 Adds a directory exclusion to Windows Defender 8->67 17 cmd.exe 19 8->17         started        21 powershell.exe 23 8->21         started        69 Multi AV Scanner detection for dropped file 13->69 file6 signatures7 process8 dnsIp9 33 marupizza.com 172.67.199.176, 443, 49688, 49689 CLOUDFLARENETUS United States 17->33 45 Found many strings related to Crypto-Wallets (likely being stolen) 17->45 47 Tries to harvest and steal browser information (history, passwords, etc) 17->47 49 Writes to foreign memory regions 17->49 53 3 other signatures 17->53 23 chrome.exe 17->23         started        51 Loading BitLocker PowerShell Module 21->51 25 WmiPrvSE.exe 21->25         started        27 conhost.exe 21->27         started        signatures10 process11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ce779643edf787f7d2a6119053594ddc072e3eb86c142ae42bea0acd3bb6696
Gathering data
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-05-22 06:46:14 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fttxszb6354h67jkmemqknmu3xahfy7lq3auflscx2qkzu53m2la._file
Result
Malware family:
aurotun
Create hunting rule
Score:
  10/10
Tags:
family:aurotun discovery execution spyware stealer
Link:
https://tria.ge/reports/250523-jwvyjstqt7/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Aurotun
Aurotun family
Detects Aurotun stealer
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/9538e22e-c987-4671-add3-e873aee57476
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ce779643edf/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/2ce779643edf787f7d2a6119053594ddc072e3eb86c142ae42bea0acd3bb6696

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ICMLuaUtil_UACMe_M41
Create hunting rule
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::FindFirstFileW

Comments