MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5. 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: 16


Intelligence 16 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
SHA3-384 hash: d6a5ac07a3ccf5de10b77a2ee6492524e0c4678f64af70cf3b2e1084885f5ca012633fb55c9242c6773607f81fa8a679
SHA1 hash: daa5b9e52b9e4e1cb44641959b4d868f9ca2fab6
MD5 hash: a39d8ee5a81f49ee8c6eb8514ba7c9bd
humanhash: victor-west-cardinal-oklahoma
File name:a39d8ee5a81f49ee8c6eb8514ba7c9bd.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:711'680 bytes
First seen:2024-10-31 01:15:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9972752d76c4469a480fbf42fd02d1a2 (3 x Stealc)
ssdeep 12288:4T/jg6stK6+HhqcYz6j5vGm9jRoW8Oh+O2TUCx7AbKV0drKUAV73aHSxhNj:4TRIp+HccYeFvTNoWl+JxKKmdriFqyxb
Threatray 73 similar samples on MalwareBazaar
TLSH T106E412027142E8B1D9536AB29C34CEF8197FB8B24651795B37993F7F3C71291AA93302
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 08191a307080c000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://45.88.105.105/e88e05dfd1bdeeb9.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://45.88.105.105/e88e05dfd1bdeeb9.php https://threatfox.abuse.ch/ioc/1340239/

Intelligence

File Origin
# of uploads :
1
# of downloads :
731
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a39d8ee5a81f49ee8c6eb8514ba7c9bd.exe
Verdict:
Malicious activity
Analysis date:
2024-10-31 01:18:10 UTC
Tags:
stealer stealc loader rust miner
Link:
https://app.any.run/tasks/3460b6a4-2f6b-454f-91a9-09afe6b1ce0f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6722da578d23d90491321a7e
Tags:
powershell cobalt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
Result
Verdict:
UNKNOWN
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/545124f1-ea3c-4461-b12a-3b0d8aab5970
Result
Threat name:
Stealc, Vidar, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1545801
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
DNS related to crypt mining pools
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects code into the Windows Explorer (explorer.exe)
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Disable power options
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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 steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses powercfg.exe to modify the power settings
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1545801 Sample: Ky4J8k89A7.exe Startdate: 31/10/2024 Architecture: WINDOWS Score: 100 102 xmr-eu1.nanopool.org 2->102 104 gest.llevadonas.es 2->104 124 Suricata IDS alerts for network traffic 2->124 126 Found malware configuration 2->126 128 Malicious sample detected (through community Yara rule) 2->128 132 15 other signatures 2->132 10 Ky4J8k89A7.exe 37 2->10         started        15 updater.exe 2->15         started        17 svchost.exe 1 1 2->17         started        19 svchost.exe 3 8 2->19         started        signatures3 130 DNS related to crypt mining pools 102->130 process4 dnsIp5 112 gest.llevadonas.es 87.106.236.48, 443, 49762 ONEANDONE-ASBrauerstrasse48DE Germany 10->112 114 45.88.105.105, 49730, 49755, 49763 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Netherlands 10->114 92 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->92 dropped 94 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->94 dropped 96 C:\Users\user\AppData\...\mozglue[1].dll, PE32 10->96 dropped 100 12 other files (8 malicious) 10->100 dropped 142 Detected unpacking (changes PE section rights) 10->142 144 Detected unpacking (overwrites its own PE header) 10->144 146 Tries to steal Mail credentials (via file / registry access) 10->146 154 7 other signatures 10->154 21 cmd.exe 1 10->21         started        23 chrome.exe 10->23         started        26 WerFault.exe 16 10->26         started        98 C:\Windows\Temp\vpwkfwtrhfuq.sys, PE32+ 15->98 dropped 148 Multi AV Scanner detection for dropped file 15->148 150 Query firmware table information (likely to detect VMs) 15->150 152 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->152 156 9 other signatures 15->156 29 explorer.exe 15->29         started        32 powershell.exe 15->32         started        34 cmd.exe 15->34         started        38 10 other processes 15->38 116 127.0.0.1 unknown unknown 17->116 36 WerFault.exe 2 19->36         started        file6 signatures7 process8 dnsIp9 40 EGIDBFBFHJ.exe 1 3 21->40         started        44 conhost.exe 21->44         started        106 192.168.2.4, 10343, 443, 49730 unknown unknown 23->106 108 239.255.255.250 unknown Reserved 23->108 46 chrome.exe 23->46         started        90 C:\ProgramData\Microsoft\...\Report.wer, Unicode 26->90 dropped 110 162.19.224.121, 10343, 49769 CENTURYLINK-US-LEGACY-QWESTUS United States 29->110 158 System process connects to network (likely due to code injection or exploit) 29->158 160 Query firmware table information (likely to detect VMs) 29->160 162 Loading BitLocker PowerShell Module 32->162 49 conhost.exe 32->49         started        51 conhost.exe 34->51         started        53 wusa.exe 34->53         started        55 conhost.exe 38->55         started        57 conhost.exe 38->57         started        59 7 other processes 38->59 file10 signatures11 process12 dnsIp13 86 C:\ProgramDatabehaviorgraphoogle\Chrome\updater.exe, PE32+ 40->86 dropped 88 C:\Windows\System32\drivers\etc\hosts, ASCII 40->88 dropped 134 Multi AV Scanner detection for dropped file 40->134 136 Query firmware table information (likely to detect VMs) 40->136 138 Uses powercfg.exe to modify the power settings 40->138 140 7 other signatures 40->140 61 powershell.exe 23 40->61         started        64 cmd.exe 40->64         started        66 sc.exe 40->66         started        68 12 other processes 40->68 118 apis.google.com 46->118 120 play.google.com 142.250.185.174, 443, 49751, 49757 GOOGLEUS United States 46->120 122 2 other IPs or domains 46->122 file14 signatures15 process16 signatures17 164 Loading BitLocker PowerShell Module 61->164 70 conhost.exe 61->70         started        72 conhost.exe 64->72         started        74 wusa.exe 64->74         started        76 conhost.exe 66->76         started        78 conhost.exe 68->78         started        80 conhost.exe 68->80         started        82 conhost.exe 68->82         started        84 9 other processes 68->84 process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5/
Threat name:
Win32.Trojan.StealC
Create hunting rule
Status:
Malicious
First seen:
2024-10-31 01:16:12 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eyi4o5jw7a7zsvrvru4bor2nhhv3fway3kuahsfb7ojstt7qvhkq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
shellcode_loader_002
Create hunting rule
Similar samples:
019e55c6a1f2817a0bddee7c8aa8ee2bc73c2d6ac5468ed2bb1079e13665988a
Stealc
486c9bb7cd3ea23cc682ebc3b13aa40678a4450c3a9d22f8c45fad43f1a82271
Stealc
52ce96aeb7d4062ffcce2a92bd41012f4198bc8d1fe7242b3de84434c6eb4c84
Stealc
54fa4544762fb14d407756fad69201bfaccc8db821a94e63079531d556cddeb1
Stealc
7bfc486e94aacc90fac1037845f79f92f04a0db6fbbab9eaa45c4afe7d0a21fe
Stealc
9a55faec755f08d982ab8602bf4a6d22f78603658bd93904bfce769ddb9bf5c7
Stealc
error
Stealc
+ 63 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:logsdiller credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241031-bmsstsxlej/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://45.88.105.105
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b53bcbaf-aeb6-4b8a-a6b1-e7e464274f11
Unpacked files
SH256 hash:
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
MD5 hash:
eda18948a989176f4eebb175ce806255
SHA1 hash:
ff22a3d5f5fb705137f233c36622c79eab995897
Link:
https://www.unpac.me/results/33959935-e2ae-4c7d-a312-b9a3c4e9fd6f/
SH256 hash:
c3d0851f19b7ed75a19ccc745c42397f6d5a38ae8fd2c0096e380700b0c8938d
MD5 hash:
a0caa30af5ead51537041db885d93631
SHA1 hash:
3bf625eb94bffa74df697983c5e4b50771ac416b
Detections:
stealc
Create hunting rule
detect_Mars_Stealer
Create hunting rule
Link:
https://www.unpac.me/results/33959935-e2ae-4c7d-a312-b9a3c4e9fd6f/
Parent samples :
2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
a7d56a398503b0a313f781842427619c39f6d45eef285e2139e8e7e2d7640a6b
SH256 hash:
2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5
MD5 hash:
a39d8ee5a81f49ee8c6eb8514ba7c9bd
SHA1 hash:
daa5b9e52b9e4e1cb44641959b4d868f9ca2fab6
Link:
https://www.unpac.me/results/33959935-e2ae-4c7d-a312-b9a3c4e9fd6f/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2611c77536f8/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/2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5

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
Create hunting rule
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.

Web download

Stealc

Executable exe 2611c77536f83f9956358d3817474d39ebb2d818daa803c8a1fb9329cff0a9d5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3243375/
  
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 (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::GetConsoleAliasExesA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetFileAttributesW
KERNEL32.dll::GetTempFileNameW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

Comments