MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5. 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


Intelligence 14 IOCs YARA 4 File information Comments 1
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SHA256 hash: d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5
SHA3-384 hash: 3137c34b21252dd294567cfb3e3d3c8f3b9236e07f7d42e19635e3244fee82ee344b8490cf26772ea5ca29a8b8af92d3
SHA1 hash: 0142610f6ad7b269cd980c68980df887f9f43c63
MD5 hash: 1df66a4237cf8665f2aa486b53a4b689
humanhash: equal-iowa-uniform-iowa
File name:1df66a4237cf8665f2aa486b53a4b689
Download: download sample
Signature Stealc
Create hunting rule
File size:423'136 bytes
First seen:2024-03-16 03:42:17 UTC
Last seen:2024-03-16 05:16:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:k4Idok8Tk4n65KGcnb7Ez5farOLHKT28R6RNB+rUg3:NookMQinUfayDKqZXZc
TLSH T13B9402A16E6414D6F839423C19272783233B12CC9BB0EFDC3CB8A15D72977966690F63
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:64 exe signed Stealc

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-15T10:34:24Z
Valid to:2025-03-15T10:34:24Z
Serial number: 5834c634acf4ea968120f127db6913c2
Thumbprint Algorithm:SHA256
Thumbprint: 709d86ae8593b5c0881f33c70f38231e8c32141831895d74b9f9b2947f686319
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5.exe
Verdict:
Malicious activity
Analysis date:
2024-03-16 03:42:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ed5b7e27-5c99-4a12-a357-e520119470e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/479192/
Detection(s):
SecuriteInfo.com.Trojan.Inject5.3492.1540.4484.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Searching for the window
Moving a file to the Program Files subdirectory
Replacing files
Creating a window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65f51546f074ad892e54c9cd/reports/32b6b37f-7313-4f5f-aa2d-d70b0b8fe9e7/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5
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:
Glupteba
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b442c526-40d2-44fa-a386-7a16238ca62d
Result
Threat name:
Amadey, Glupteba, Mars Stealer, Stealc,
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410088
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops script or batch files to the startup folder
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 steal Crypto Currency Wallets
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Amadeys stealer DLL
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected Mars stealer
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410088 Sample: AwV2hldmu0.exe Startdate: 16/03/2024 Architecture: WINDOWS Score: 100 108 5.42.64.44 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 2->108 134 Multi AV Scanner detection for domain / URL 2->134 136 Found malware configuration 2->136 138 Malicious sample detected (through community Yara rule) 2->138 140 24 other signatures 2->140 10 AwV2hldmu0.exe 2 2->10         started        13 svchost.exe 1 1 2->13         started        16 svchost.exe 2->16         started        18 Dctooux.exe 2->18         started        signatures3 process4 dnsIp5 156 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->156 158 Writes to foreign memory regions 10->158 160 Allocates memory in foreign processes 10->160 162 2 other signatures 10->162 20 RegAsm.exe 15 609 10->20         started        25 WerFault.exe 10->25         started        120 23.51.58.94 TMNET-AS-APTMNetInternetServiceProviderMY United States 13->120 122 127.0.0.1 unknown unknown 13->122 27 WerFault.exe 16->27         started        signatures6 process7 dnsIp8 110 45.95.11.69 ULTRA-PACKETUS Italy 20->110 112 91.92.250.47 THEZONEBG Bulgaria 20->112 116 14 other IPs or domains 20->116 62 C:\Users\...\ziuYQGWO4ie5hmpDsHbf8XWK.exe, PE32 20->62 dropped 64 C:\Users\...\zMwatBBHykN3CiVfzj5iEOkj.exe, PE32+ 20->64 dropped 66 C:\Users\...\yipE3iPG6QP5s3bHrxEU1LtK.exe, PE32 20->66 dropped 68 325 other malicious files 20->68 dropped 150 Drops script or batch files to the startup folder 20->150 152 Creates HTML files with .exe extension (expired dropper behavior) 20->152 154 Writes many files with high entropy 20->154 29 q3YogLrbTM5QieughnZc784x.exe 20->29         started        33 KuEqwfmANrLQt9LSmiWZ59hY.exe 20->33         started        35 QVKkTvu3dYZkJXtqEjYlzTvq.exe 20->35         started        37 23 other processes 20->37 114 20.189.173.21 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 25->114 file9 signatures10 process11 dnsIp12 124 185.172.128.187 NADYMSS-ASRU Russian Federation 29->124 126 185.172.128.90 NADYMSS-ASRU Russian Federation 29->126 90 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 29->90 dropped 92 C:\Users\user\AppData\Local\...\INetC.dll, PE32 29->92 dropped 94 C:\Users\user\AppData\...\BroomSetup.exe, PE32 29->94 dropped 40 syncUpd.exe 29->40         started        45 BroomSetup.exe 29->45         started        96 C:\Users\...\KuEqwfmANrLQt9LSmiWZ59hY.tmp, PE32 33->96 dropped 47 KuEqwfmANrLQt9LSmiWZ59hY.tmp 33->47         started        98 C:\Users\...\QVKkTvu3dYZkJXtqEjYlzTvq.tmp, PE32 35->98 dropped 49 QVKkTvu3dYZkJXtqEjYlzTvq.tmp 35->49         started        128 107.167.110.217 OPERASOFTWAREUS United States 37->128 130 107.167.125.189 OPERASOFTWAREUS United States 37->130 132 4 other IPs or domains 37->132 100 C:\Users\...\Y8D2EqaVPFBWOUa6l9fVDwXD.tmp, PE32 37->100 dropped 102 C:\Users\...\mETisTeLMRUZ4T59uzaP006X.tmp, PE32 37->102 dropped 104 C:\Users\...\9DCcNE0qgqrtofimyu3NNVer.tmp, PE32 37->104 dropped 106 17 other malicious files 37->106 dropped 142 Detected unpacking (changes PE section rights) 37->142 144 Detected unpacking (overwrites its own PE header) 37->144 146 Contains functionality to inject code into remote processes 37->146 148 3 other signatures 37->148 51 9DCcNE0qgqrtofimyu3NNVer.tmp 37->51         started        53 Y8D2EqaVPFBWOUa6l9fVDwXD.tmp 37->53         started        55 powershell.exe 37->55         started        file13 signatures14 process15 dnsIp16 118 185.172.128.145 NADYMSS-ASRU Russian Federation 40->118 78 12 other files (8 malicious) 40->78 dropped 164 Detected unpacking (changes PE section rights) 40->164 166 Detected unpacking (overwrites its own PE header) 40->166 168 Found many strings related to Crypto-Wallets (likely being stolen) 40->168 170 6 other signatures 40->170 70 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 47->70 dropped 80 17 other files (16 malicious) 47->80 dropped 57 jsonbeautifierplugin.exe 47->57         started        72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 49->72 dropped 74 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 49->74 dropped 76 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 49->76 dropped 82 8 other files (7 malicious) 49->82 dropped 84 11 other files (10 malicious) 51->84 dropped 86 11 other files (10 malicious) 53->86 dropped 60 conhost.exe 55->60         started        file17 signatures18 process19 file20 88 C:\...\PrintWorkflow 1.34.199.67.exe, PE32 57->88 dropped
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5/
Threat name:
Win64.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-15 12:58:52 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3dyzpgzlfi6vtw3xc3saoogv2kr5kvyflay6kt4od5japhoqjksq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:glupteba family:stealc discovery dropper evasion loader persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/240316-d9xfmsch94/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Unexpected DNS network traffic destination
Windows security modification
Creates new service(s)
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
Amadey
Glupteba
Glupteba payload
Stealc
Windows security bypass
Malware Config
C2 Extraction:
http://5.42.64.44
http://185.172.128.145
Unpacked files
SH256 hash:
d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5
MD5 hash:
1df66a4237cf8665f2aa486b53a4b689
SHA1 hash:
0142610f6ad7b269cd980c68980df887f9f43c63
Link:
https://www.unpac.me/results/8755833c-9502-473d-82f5-20f67e405c98/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d8f1979b2b2a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

Stealc

Executable exe d8f1979b2b2a3d59db7716e40738d5d2a3d557055831e54f8e1f52079dd04aa5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2781338/
Cape
Cape
https://www.capesandbox.com/analysis/479192/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-03-16 03:42:18 UTC

url : hxxp://15.204.38.240/files/akh.exe