MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1
SHA3-384 hash: f58ed177b6d716d56bce36e2da89517972e22023e21aac66b884716b0420de11bfbf6787a7c1586b8eecfa38c2133c7d
SHA1 hash: b169677b0772e523a49aee97a0d5aca89ade3068
MD5 hash: 27b3e45a81641d0e7d0dea29938774ae
humanhash: sad-friend-illinois-march
File name:27b3e45a81641d0e7d0dea29938774ae
Download: download sample
Signature Stealc
Create hunting rule
File size:46'816 bytes
First seen:2024-03-12 11:02:38 UTC
Last seen:2024-03-12 12:44:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:l9KG4oE3utrXgye+k9l2eeicYSFQLq34pUr2SIO8BC45SNUgRaCEFiRvk:7KG4p3utzgH195eicDFSqopUiJArNNRG
TLSH T12F238E7177BC823BCEAF0AB4646152000374D362AE42CFBD2DD9A1DE58977C503623AB
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
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:2024-03-12T08:58:25Z
Valid to:2025-03-12T08:58:25Z
Serial number: 2d12e4e96e80cfdc437aff543b3b77aa
Thumbprint Algorithm:SHA256
Thumbprint: 78dc0e6a3749e01ce1c5413dbb350ed48221d96b0c331bf732a985e74e5de6c0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
382
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
glupteba
Create hunting rule
ID:
1
File name:
ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1.exe
Verdict:
Malicious activity
Analysis date:
2024-03-12 11:08:55 UTC
Tags:
hello2malware stealer stealc glupteba loader trojan
Link:
https://app.any.run/tasks/83d0948b-b05c-4b42-aa08-7c23742071a8

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/478758/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.943.24639.20374.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt to an infection source
Blocking the User Account Control
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65f03668757c624818ab7bbb/reports/ed41e6a1-40fe-48b0-ae64-2887bddbe32d/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/96f41802-3836-44d4-8746-ffad97d49378
Result
Threat name:
Glupteba, Mars Stealer, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1407471
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Creates HTML files with .exe extension (expired dropper behavior)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables UAC (registry)
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)
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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: 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 to foreign memory regions
Yara detected Glupteba
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1407471 Sample: 3SqWYf8qFi.exe Startdate: 12/03/2024 Architecture: WINDOWS Score: 100 112 Found malware configuration 2->112 114 Malicious sample detected (through community Yara rule) 2->114 116 Multi AV Scanner detection for submitted file 2->116 118 9 other signatures 2->118 10 3SqWYf8qFi.exe 15 3 2->10         started        process3 dnsIp4 106 14.232.235.13 VNPT-AS-VNVNPTCorpVN Viet Nam 10->106 108 74.103.66.15 UUNETUS United States 10->108 110 98 other IPs or domains 10->110 132 Writes to foreign memory regions 10->132 134 Adds a directory exclusion to Windows Defender 10->134 136 Disables UAC (registry) 10->136 138 2 other signatures 10->138 14 CasPol.exe 10->14         started        18 powershell.exe 24 10->18         started        20 CasPol.exe 10->20         started        22 WerFault.exe 10->22         started        signatures5 process6 file7 98 C:\Users\...\zcKoLXDqvdAUIOoGZ6SAU0N3.exe, PE32 14->98 dropped 100 C:\Users\...\zKY9gVt7bugdAVV29pfHDO1J.exe, PE32 14->100 dropped 102 C:\Users\...\wQ9dgKtBZDeIUddSVpW8BvEm.exe, PE32 14->102 dropped 104 269 other malicious files 14->104 dropped 140 Drops script or batch files to the startup folder 14->140 142 Creates HTML files with .exe extension (expired dropper behavior) 14->142 24 vkIsjAzkgrOzUK7uj2IHc9JM.exe 14->24         started        27 rMuSSyE2z14xNxfrVLVv1kvs.exe 14->27         started        29 zKY9gVt7bugdAVV29pfHDO1J.exe 14->29         started        35 18 other processes 14->35 31 conhost.exe 18->31         started        33 WmiPrvSE.exe 18->33         started        signatures8 process9 file10 80 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 24->80 dropped 82 C:\Users\user\AppData\Local\...\INetC.dll, PE32 24->82 dropped 84 C:\Users\user\AppData\...\BroomSetup.exe, PE32 24->84 dropped 38 syncUpd.exe 24->38         started        42 BroomSetup.exe 24->42         started        92 4 other malicious files 27->92 dropped 44 rMuSSyE2z14xNxfrVLVv1kvs.exe 27->44         started        46 rMuSSyE2z14xNxfrVLVv1kvs.exe 27->46         started        86 Opera_installer_24031211043401411604.dll, PE32 29->86 dropped 94 3 other malicious files 29->94 dropped 48 zKY9gVt7bugdAVV29pfHDO1J.exe 29->48         started        88 Opera_installer_24031211043773814148.dll, PE32 35->88 dropped 90 Opera_installer_24031211043726914020.dll, PE32 35->90 dropped 96 8 other malicious files 35->96 dropped 120 Found Tor onion address 35->120 122 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 35->122 50 UPwYHcUA3TbsX6l2qc9SZcBH.exe 35->50         started        52 Rfsq67IamA4rPpnX6LHMDFkm.exe 35->52         started        54 j1XOgROBJfvz0cRzU7rPw7NS.exe 35->54         started        56 2n6aZsnLKtKXJNMzWvG8Ou1L.exe 35->56         started        signatures11 process12 file13 62 C:\Users\user\AppData\...\IIEHCFIDHI.exe, PE32 38->62 dropped 78 13 other files (9 malicious) 38->78 dropped 124 Detected unpacking (changes PE section rights) 38->124 126 Detected unpacking (overwrites its own PE header) 38->126 128 Found many strings related to Crypto-Wallets (likely being stolen) 38->128 130 6 other signatures 38->130 58 cmd.exe 42->58         started        64 Opera_installer_24031211043017611524.dll, PE32 44->64 dropped 66 Opera_installer_24031211043944414548.dll, PE32 46->66 dropped 68 Opera_installer_24031211043867714488.dll, PE32 48->68 dropped 70 Opera_installer_24031211043920313116.dll, PE32 50->70 dropped 72 Opera_installer_24031211043820413232.dll, PE32 52->72 dropped 74 Opera_installer_24031211045859715840.dll, PE32 54->74 dropped 76 Opera_installer_24031211044129216532.dll, PE32 56->76 dropped signatures14 process15 process16 60 conhost.exe 58->60         started       
Score:
54%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1/
Threat name:
ByteCode-MSIL.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-03-12 11:03:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vnzdpk5gzcoatlvpkeivovquaqnk7qua6jdb6ptgsgk442kd4tqq._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:stealc discovery dropper loader stealer upx
Link:
https://tria.ge/reports/240312-m5n35shc34/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Creates a large amount of network flows
Legitimate hosting services abused for malware hosting/C2
UPX packed file
Downloads MZ/PE file
Contacts a large (4162) amount of remote hosts
Glupteba
Glupteba payload
Stealc
Malware Config
C2 Extraction:
http://185.172.128.145
Unpacked files
SH256 hash:
ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1
MD5 hash:
27b3e45a81641d0e7d0dea29938774ae
SHA1 hash:
b169677b0772e523a49aee97a0d5aca89ade3068
Link:
https://www.unpac.me/results/0277450a-6610-4674-b275-89eee0c71829/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1

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:NET
Create hunting rule
Author:malware-lu
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 ab7237aba6c89c09aeaf5111575614041aafc280f2461f3e669195ce6943e4e1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2781349/
Cape
Cape
https://www.capesandbox.com/analysis/478758/

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 2024-03-12 11:02:40 UTC

url : hxxp://15.204.38.240/files/InstallSetup2.exe