MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2a7f3f96c3d37c121939e293c68ed5a49d9c3a0ae30e646430e7c8f04338f40. 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



Smoke Loader


Vendor detections: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: e2a7f3f96c3d37c121939e293c68ed5a49d9c3a0ae30e646430e7c8f04338f40
SHA3-384 hash: 47e2573a4e041019501b546bca48b619f3582dbc490792929f2392df9d215189757abfa363e0db766b3a55d9c892f7a8
SHA1 hash: 891d36b5b100cd647d9c231ea6c36b26728ceea6
MD5 hash: 506572dc9e0784a122652c792b6dbdc4
humanhash: uranus-undress-sodium-fish
File name:506572dc9e0784a122652c792b6dbdc4.exe
Download: download sample
Signature Smoke Loader
File size:223'232 bytes
First seen:2024-10-06 18:20:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 82c6c5dba11f93a82c3bf13dc3056a96 (1 x Smoke Loader)
ssdeep 3072:LELgQvpKcUJTV5nEG2MfHdPwi548Ewv6ClhJNCA43/6o5E4CA43/6XoIE:LELgQvELJn79vTHRNvTotvT4
TLSH T117244A107AF1D0D7F3B7863C49B09EACA5FBF8E2A971415E12C4661F28316938952F1B
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 2218c48188a41010 (1 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
368
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
506572dc9e0784a122652c792b6dbdc4.exe
Verdict:
Malicious activity
Analysis date:
2024-10-06 20:54:04 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Phishing Spawn Hype Onli
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
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:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1527144 Sample: wu5C20dPdy.exe Startdate: 06/10/2024 Architecture: WINDOWS Score: 100 39 nwgrus.ru 2->39 41 calvinandhalls.com 2->41 43 bestworldhools.com 2->43 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 5 other signatures 2->51 8 wu5C20dPdy.exe 2->8         started        11 tgbivif 2->11         started        13 vwbivif 2->13         started        15 tgbivif 2->15         started        signatures3 process4 signatures5 67 Detected unpacking (changes PE section rights) 8->67 69 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->69 71 Maps a DLL or memory area into another process 8->71 17 explorer.exe 53 6 8->17 injected 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->77 79 Checks if the current machine is a virtual machine (disk enumeration) 13->79 81 Creates a thread in another existing process (thread injection) 13->81 83 Switches to a custom stack to bypass stack traces 13->83 process6 dnsIp7 33 nwgrus.ru 190.147.128.172, 49847, 49854, 49864 TelmexColombiaSACO Colombia 17->33 35 bestworldhools.com 188.40.141.211, 443, 50006, 50007 HETZNER-ASDE Germany 17->35 37 2 other IPs or domains 17->37 25 C:\Users\user\AppData\Roaming\vwbivif, PE32 17->25 dropped 27 C:\Users\user\AppData\Roaming\tgbivif, PE32 17->27 dropped 29 C:\Users\user\AppData\Local\Temp\AB9D.exe, PE32 17->29 dropped 31 C:\Users\user\...\tgbivif:Zone.Identifier, ASCII 17->31 dropped 53 Benign windows process drops PE files 17->53 55 Deletes itself after installation 17->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->57 22 AB9D.exe 17->22         started        file8 signatures9 process10 signatures11 59 Detected unpacking (changes PE section rights) 22->59 61 Machine Learning detection for dropped file 22->61 63 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->63 65 4 other signatures 22->65
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-10-06 02:08:43 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
shellcode_loader_002 smokeloader
Similar samples:
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a9918c23a31211ab32fdd163e49fc5313007d652e0896f6b923711378b459509
MD5 hash:
422b7b725003f71a15519c67313e3eef
SHA1 hash:
808f558da78522edaf9cee4a83365049adee2f08
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
e2a7f3f96c3d37c121939e293c68ed5a49d9c3a0ae30e646430e7c8f04338f40
MD5 hash:
506572dc9e0784a122652c792b6dbdc4
SHA1 hash:
891d36b5b100cd647d9c231ea6c36b26728ceea6
Malware family:
SmokeLoader
Verdict:
Malicious
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks

File information


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

Web download

Smoke Loader

Executable exe e2a7f3f96c3d37c121939e293c68ed5a49d9c3a0ae30e646430e7c8f04338f40

(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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputAttribute
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasExesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA

Comments