MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45
SHA3-384 hash: fc2b213d5ce83420322f504b8e43952a2929cc93fb3d173e6ab78baa710cc855ff6902b216f4c92c0de908a0e9cb134b
SHA1 hash: e1ee87938cd159916e904980aff9b031637d30c0
MD5 hash: 85e148bd1d422ce970d87628fbf351ea
humanhash: alpha-twelve-magazine-december
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:233'472 bytes
First seen:2024-09-18 12:20:18 UTC
Last seen:2024-09-18 13:27:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5ebbffb195ebcc01bf4513785c530efb (1 x Smoke Loader)
ssdeep 3072:WdoLovr0yE03B3Kq16flK8sAQ18s7TVyC5qKuAYcuetO9Emf/n:hLovWAZKq14l5sAQCAYcL6EmHn
TLSH T15434081276F17C15E6F2AB314F3B96FC6A2FB863EE24D2F911064A0B48F12A1C557712
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 12716d4cf4c4d4d4 (2 x Smoke Loader, 1 x Amadey, 1 x GCleaner)
Reporter jstrosch
Tags:exe Smoke Loader


Avatar
jstrosch
Found at hxxp://103.130.147[.]211/Files/Windows.exe by #subcrawl

Intelligence

File Origin
# of uploads :
2
# of downloads :
417
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-18 12:24:34 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/d5667ffb-bd17-40ec-a5d6-cfbda0b48b82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.15979.13762.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66eac5b3f72de0d131be9ad7
Tags:
Network Stealth
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc exploit fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66eac5b13c9389b729b95773/reports/d9df0e5a-3da8-42c5-82e0-2cf2ecc6bcde/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d549b2e5-3755-4500-afc4-79e157df5840
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513120
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
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 evasive API chain (may stop execution after checking mutex)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1513120 Sample: file.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 52 olihonols.in.net 2->52 54 epohe.ru 2->54 56 calvinandhalls.com 2->56 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 6 other signatures 2->70 10 file.exe 2->10         started        13 ufdrajf 2->13         started        15 redrajf 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 108 Detected unpacking (changes PE section rights) 10->108 110 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->110 112 Maps a DLL or memory area into another process 10->112 19 explorer.exe 93 9 10->19 injected 114 Multi AV Scanner detection for dropped file 13->114 116 Machine Learning detection for dropped file 13->116 118 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->118 120 Checks if the current machine is a virtual machine (disk enumeration) 15->120 122 Creates a thread in another existing process (thread injection) 15->122 124 Switches to a custom stack to bypass stack traces 15->124 process6 dnsIp7 58 olihonols.in.net 187.224.93.192, 49716, 49717, 49718 UninetSAdeCVMX Mexico 19->58 60 calvinandhalls.com 23.145.40.162, 443, 56367, 56368 SURFAIRWIRELESS-IN-01US Reserved 19->60 62 2 other IPs or domains 19->62 44 C:\Users\user\AppData\Roaming\ufdrajf, PE32 19->44 dropped 46 C:\Users\user\AppData\Roaming\redrajf, PE32 19->46 dropped 48 C:\Users\user\AppData\Local\Temp\C9E0.exe, PE32+ 19->48 dropped 50 2 other malicious files 19->50 dropped 76 System process connects to network (likely due to code injection or exploit) 19->76 78 Benign windows process drops PE files 19->78 80 Injects code into the Windows Explorer (explorer.exe) 19->80 82 3 other signatures 19->82 24 5454.exe 19->24         started        27 C9E0.exe 2 19->27         started        29 explorer.exe 20 19->29         started        31 5 other processes 19->31 file8 signatures9 process10 signatures11 84 Detected unpacking (changes PE section rights) 24->84 86 Machine Learning detection for dropped file 24->86 88 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 24->88 106 4 other signatures 24->106 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->90 92 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->92 94 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 27->94 33 cmd.exe 27->33         started        96 System process connects to network (likely due to code injection or exploit) 29->96 98 Found evasive API chain (may stop execution after checking mutex) 29->98 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->100 102 Tries to steal Mail credentials (via file / registry access) 29->102 104 Tries to harvest and steal browser information (history, passwords, etc) 31->104 process12 process13 35 WMIC.exe 33->35         started        38 conhost.exe 33->38         started        40 WMIC.exe 33->40         started        42 11 other processes 33->42 signatures14 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->72 74 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 35->74
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-09-18 12:21:06 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5jhym5jub4xnlxhu5cfph367zwkobdgbrfr3deg4e4m72iabrcq._file
Verdict:
malicious
Label(s):
smokeloader
Create hunting rule
shellcode_loader_002
Create hunting rule
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Link:
https://tria.ge/reports/240918-pjb8ka1fnq/
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7d1bfc1c-bd98-4e26-8f13-57d5b83759a6
Unpacked files
SH256 hash:
a50f0f6520f575916cf5e95721f4f4465501dfc2e9d3bcf22e99b10b91717c24
MD5 hash:
a53f4ff99fb51fea931a577880ec744e
SHA1 hash:
1355c69a04f9e283dac7d9a234c0f18183432d58
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/234d816f-9d4e-4b8e-86b0-ca9be8ad90ba/
Parent samples :
0599250511b7b3ec63303fa14e98edef3092d61614e07106cf274bd6d43b2451
822d4a0dc03fa0348fc8a12c3e0c3c10ad433abbf34f858b64406beaf8606d87
f691d08d4d08a092f52d63eb5a5fce0cbdeeaa042c18282c73ac5ebb627c25d3
9a23e3b2d894fb3af028f7bc2eae2da52c723eb2cc9b76a5d4efc98bdcba92a1
1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45
dfe6226632702de153cf28a07ce5939072365797a8cc358932a62052a0c7f010
SH256 hash:
1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45
MD5 hash:
85e148bd1d422ce970d87628fbf351ea
SHA1 hash:
e1ee87938cd159916e904980aff9b031637d30c0
Link:
https://www.unpac.me/results/234d816f-9d4e-4b8e-86b0-ca9be8ad90ba/
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

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 1f527c33a9a07976aee7a744579f7efe6ca704660c4b1d8c86e138cfe9000c45

(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::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleOutputA
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetConsoleTitleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExA
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceA
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTimeAdjustment

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