MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e49a43dbc2c183684bd70e83d09486e41653c439bd0cc85e3c91f1392c7edd2. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments 1

SHA256 hash: 6e49a43dbc2c183684bd70e83d09486e41653c439bd0cc85e3c91f1392c7edd2
SHA3-384 hash: a3b76fd5e6e8af5d52d78857429a3373365193cedc6594763a325703411c3c1f7e20d77a2e35e7babd9308f7c788ba96
SHA1 hash: f389c08a33a868cfa9be7e8d3ed66aceabec4bf7
MD5 hash: 526bd234e4ab74f672370f499f2f84df
humanhash: ack-princess-happy-four
File name:526bd234e4ab74f672370f499f2f84df
Download: download sample
Signature Stealc
File size:1'907'422 bytes
First seen:2024-03-08 06:12:38 UTC
Last seen:2024-03-08 07:24:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 187b3ae62ff818788b8c779ef7bc3d1c (14 x Stealc, 1 x GCleaner)
ssdeep 49152:tIiiK2SN9Gp+55TtJNPNMz4aHO5D9nbsrkovV0xqCuAASB:qiiK2VA5TtRMpSFovV0xlutW
Threatray 21 similar samples on MalwareBazaar
TLSH T12C952309CA5A78B9C1E61C7A4327E33908764E40055EDA71EAEA3D33FD7A7D089D2353
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 631b86ccccd0dc5d (4 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
389
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6e49a43dbc2c183684bd70e83d09486e41653c439bd0cc85e3c91f1392c7edd2.exe
Verdict:
Malicious activity
Analysis date:
2024-03-08 06:16:03 UTC
Tags:
stealer stealc

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

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Reading critical registry keys
Launching a process
Changing a file
Launching the default Windows debugger (dwwin.exe)
Connection attempt to an infection source
Stealing user critical data
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
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.
Result
Threat name:
Mars Stealer, Stealc, Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected Mars stealer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1405258 Sample: 2tatmT35Yi.exe Startdate: 08/03/2024 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 8 other signatures 2->59 8 2tatmT35Yi.exe 1 34 2->8         started        process3 dnsIp4 47 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->47 49 185.172.128.187, 49730, 80 NADYMSS-ASRU Russian Federation 8->49 33 C:\Users\user\AppData\Local\...\syncUpd.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\INetC.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\...\BroomSetup.exe, PE32 8->37 dropped 12 syncUpd.exe 75 8->12         started        17 BroomSetup.exe 2 5 8->17         started        file5 process6 dnsIp7 51 185.172.128.145, 49731, 80 NADYMSS-ASRU Russian Federation 12->51 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->41 dropped 43 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->43 dropped 45 9 other files (5 malicious) 12->45 dropped 63 Antivirus detection for dropped file 12->63 65 Detected unpacking (changes PE section rights) 12->65 67 Detected unpacking (overwrites its own PE header) 12->67 71 10 other signatures 12->71 19 WerFault.exe 21 16 12->19         started        69 Multi AV Scanner detection for dropped file 17->69 22 cmd.exe 1 17->22         started        file8 signatures9 process10 file11 31 C:\ProgramData\Microsoft\...\WER1675.tmp.dmp, Mini 19->31 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 22->61 25 conhost.exe 22->25         started        27 schtasks.exe 1 22->27         started        29 chcp.com 1 22->29         started        signatures12 process13
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2024-03-08 06:13:10 UTC
File Type:
PE (Exe)
Extracted files:
225
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Unpacked files
SH256 hash:
8ff4e509a48d6cbcff5d325fc08ab97f37f69e5fa36fad427216b38545941661
MD5 hash:
7faf9f4744ac9a3680a6ea32ab352138
SHA1 hash:
4ec9a4769b6dccbb1a6017d08a36effc0117abe2
SH256 hash:
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
MD5 hash:
2b342079303895c50af8040a91f30f71
SHA1 hash:
b11335e1cb8356d9c337cb89fe81d669a69de17e
SH256 hash:
5f5d81f749717ff7eb4e8365e22e7b9e36c9b95154773f8a7cbcac7527c57d89
MD5 hash:
f1ed38069f658fc67c5e8c6ae4224df1
SHA1 hash:
4ff4c964ede9e23d18ae7de13abff4bd7a84180d
SH256 hash:
37c5549f296e39fe0264b9fe5f43693cb141258bdda26433b54c666674f98e6a
MD5 hash:
8d7b1c675a0212ab82f518611d139310
SHA1 hash:
5e5f76944456c40e2b0af5a199213fcae21ed193
SH256 hash:
6e49a43dbc2c183684bd70e83d09486e41653c439bd0cc85e3c91f1392c7edd2
MD5 hash:
526bd234e4ab74f672370f499f2f84df
SHA1 hash:
f389c08a33a868cfa9be7e8d3ed66aceabec4bf7
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Borland
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

File information


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

Web download

Stealc

Executable exe 6e49a43dbc2c183684bd70e83d09486e41653c439bd0cc85e3c91f1392c7edd2

(this sample)

  
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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
ADVAPI32.dll::SetFileSecurityA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments



Avatar
zbet commented on 2024-03-08 06:12:39 UTC

url : hxxp://185.172.128.126/InstallSetup5.exe