MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfabceb494d9568adbc70ec87935c048f61c6a614b4b8a618670d1c02c4b1983. 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 5 File information Comments 1

SHA256 hash: cfabceb494d9568adbc70ec87935c048f61c6a614b4b8a618670d1c02c4b1983
SHA3-384 hash: 443460f2f71e3aba4fb6abe89b54be03b4847b35cf78a27f1ae2491c72e71cc6b2b5e9f25626948da8523af11d805fe0
SHA1 hash: f32ddcf5339f63f24d7be451761fad5fc18e385b
MD5 hash: 3185233c9925ba96d5bd11a5fcd649b8
humanhash: mobile-california-artist-bravo
File name:3185233c9925ba96d5bd11a5fcd649b8
Download: download sample
Signature Stealc
File size:471'041 bytes
First seen:2024-03-22 18:12:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 76baf27cc1836a0776936ede08dc6d5f (2 x Stealc)
ssdeep 6144:FijVe3hb3d2Sn1vmzMS+MxKLqchQbUUXlPv/SPA9cQkF4xi8WkG+NehE:FS8hbd24UMSVFIDUNv1TkF4xuP+0E
TLSH T1C9A4D06272D1FC60E96247329D2DC9F8263EFC628E196B5732587F0F28701A1E673761
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0020401000080800 (1 x Stealc)
Reporter zbetcheckin
Tags:32 exe Stealc

Intelligence


File Origin
# of uploads :
1
# of downloads :
420
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cfabceb494d9568adbc70ec87935c048f61c6a614b4b8a618670d1c02c4b1983.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 18:14:21 UTC
Tags:
loader stealer stealc

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

Behaviour
Sending an HTTP GET request to an infection source
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 browser information (history, passwords, etc)
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: 1414205 Sample: fErB4smZli.exe Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 8 fErB4smZli.exe 1 3 2->8         started        process3 dnsIp4 43 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->43 45 185.172.128.144, 49732, 80 NADYMSS-ASRU Russian Federation 8->45 47 185.172.128.65, 49730, 49731, 80 NADYMSS-ASRU Russian Federation 8->47 31 C:\Users\user\AppData\Local\Temp\u5u4.1.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\Temp\u5u4.0.exe, PE32 8->33 dropped 61 Detected unpacking (changes PE section rights) 8->61 63 Detected unpacking (overwrites its own PE header) 8->63 13 u5u4.0.exe 25 8->13         started        18 u5u4.1.exe 2 5 8->18         started        20 WerFault.exe 21 16 8->20         started        file5 signatures6 process7 dnsIp8 49 185.172.128.209, 49733, 80 NADYMSS-ASRU Russian Federation 13->49 35 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 13->35 dropped 37 C:\Users\user\AppData\...\mozglue[1].dll, PE32 13->37 dropped 39 C:\Users\user\AppData\...\freebl3[1].dll, PE32 13->39 dropped 41 5 other files (3 malicious) 13->41 dropped 65 Antivirus detection for dropped file 13->65 67 Multi AV Scanner detection for dropped file 13->67 69 Detected unpacking (changes PE section rights) 13->69 71 5 other signatures 13->71 22 cmd.exe 1 18->22         started        file9 signatures10 process11 signatures12 59 Uses schtasks.exe or at.exe to add and modify task schedules 22->59 25 conhost.exe 22->25         started        27 schtasks.exe 1 22->27         started        29 chcp.com 1 22->29         started        process13
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-03-22 18:13:05 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery persistence spyware stealer upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks computer location settings
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
Stealc
Unpacked files
SH256 hash:
cfabceb494d9568adbc70ec87935c048f61c6a614b4b8a618670d1c02c4b1983
MD5 hash:
3185233c9925ba96d5bd11a5fcd649b8
SHA1 hash:
f32ddcf5339f63f24d7be451761fad5fc18e385b
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 cfabceb494d9568adbc70ec87935c048f61c6a614b4b8a618670d1c02c4b1983

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointW
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

Comments



Avatar
zbet commented on 2024-03-22 18:12:42 UTC

url : hxxp://185.172.128.144/ISetup9.exe