MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28
SHA3-384 hash: fb3680f34cda5a0abd45cc4a8edb5061109451300e0aaa36b0d4b0db9ffe5c1e7ea4414629347e114af119f7570a154a
SHA1 hash: 97f82667d4964d26e4d94ecf816aed942e3a8496
MD5 hash: 0ba80b3b162e0163a89046e9d615faaa
humanhash: beryllium-apart-september-utah
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:274'432 bytes
First seen:2024-07-29 08:29:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3a54d86de27fbc261605b54a73be72dd (1 x Smoke Loader)
ssdeep 6144:bWBVA8yXkhc/CiR+6dTdeMmHhAzjFMhRQeT:bWBKh0WK96RSH4jFMhO2
TLSH T13344AD1176B5CC31F5A638309878C2F929FAFC935624A58B7698BF2F3D313816A35361
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1a72c2db98585c0c (9 x Stealc, 6 x Tofsee, 5 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: https://coe.com.vn/tmp/2.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-07-29 09:58:42 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/5ebf9dad-04d6-4ff8-95a5-cf67fdc2801e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a7530b3ee5253b89e5dd37
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc exploit microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66a7530f4c5c17942a7f8691/reports/b96e8c24-a280-4c2a-bd4a-58a0cb3c9dab/overview
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f0ea3831-1904-49de-bb49-c8746cf64fdf
Result
Threat name:
LummaC, Go Injector, LummaC Stealer, Smo, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1483871
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Changes memory attributes in foreign processes to executable or writable
Check for Windows Defender sandbox
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)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
LummaC encrypted strings found
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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 Go Injector
Yara detected LummaC Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1483871 Sample: file.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 56 mzxn.ru 2->56 58 mussangroup.com 2->58 60 2 other IPs or domains 2->60 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 10 other signatures 2->86 9 file.exe 2->9         started        12 explorer.exe 2->12         started        14 wuhbajs 2->14         started        signatures3 process4 signatures5 96 Detected unpacking (changes PE section rights) 9->96 98 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->98 100 Maps a DLL or memory area into another process 9->100 116 2 other signatures 9->116 16 explorer.exe 48 8 9->16 injected 102 System process connects to network (likely due to code injection or exploit) 12->102 104 Query firmware table information (likely to detect VMs) 12->104 106 Creates autostart registry keys with suspicious names 12->106 108 Creates multiple autostart registry keys 12->108 21 B671.exe 12->21         started        23 B671.exe 12->23         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Checks if the current machine is a virtual machine (disk enumeration) 14->114 process6 dnsIp7 50 mussangroup.com 185.149.100.242, 443, 49755 VERIDYENVeridyenBilisimTeknolojileriSanayiveTicaretLi Turkey 16->50 52 mzxn.ru 190.98.23.157, 49736, 49737, 49738 TelecommunicationcompanySuriname-TeleSurSR Suriname 16->52 54 5 other IPs or domains 16->54 42 C:\Users\user\AppData\Roaming\wuhbajs, PE32 16->42 dropped 44 C:\Users\user\AppData\Local\Temp\DD88.exe, PE32+ 16->44 dropped 46 C:\Users\user\AppData\Local\Temp\B671.exe, PE32+ 16->46 dropped 48 C:\Users\user\...\wuhbajs:Zone.Identifier, ASCII 16->48 dropped 64 System process connects to network (likely due to code injection or exploit) 16->64 66 Benign windows process drops PE files 16->66 68 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 16->68 78 6 other signatures 16->78 25 DD88.exe 2 16->25         started        28 B671.exe 1 16->28         started        30 WerFault.exe 21 16->30         started        70 Changes memory attributes in foreign processes to executable or writable 21->70 72 Injects code into the Windows Explorer (explorer.exe) 21->72 74 Writes to foreign memory regions 21->74 76 Allocates memory in foreign processes 21->76 32 conhost.exe 21->32         started        34 conhost.exe 23->34         started        file8 signatures9 process10 signatures11 118 Multi AV Scanner detection for dropped file 25->118 120 Writes to foreign memory regions 25->120 122 Allocates memory in foreign processes 25->122 132 2 other signatures 25->132 36 BitLockerToGo.exe 25->36         started        124 Check for Windows Defender sandbox 28->124 126 Machine Learning detection for dropped file 28->126 128 Changes memory attributes in foreign processes to executable or writable 28->128 130 Injects code into the Windows Explorer (explorer.exe) 28->130 40 conhost.exe 28->40         started        process12 dnsIp13 62 callosallsaospz.shop 188.114.96.3, 443, 49770, 49771 CLOUDFLARENETUS European Union 36->62 88 Query firmware table information (likely to detect VMs) 36->88 90 Found many strings related to Crypto-Wallets (likely being stolen) 36->90 92 Tries to harvest and steal ftp login credentials 36->92 94 2 other signatures 36->94 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-07-29 08:30:05 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6vriq247jvffhcp3axrai7657xx63mnvfxpnabwlgapqbnynmua._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor discovery trojan
Link:
https://tria.ge/reports/240729-kd5kpszemr/
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/68d4f023-1174-4d3f-94ea-be230a27b23a
Unpacked files
SH256 hash:
f60e8fa03ac3317e574837f68f32fe78cc3c0e30d6d529049b6f61d4f7173e11
MD5 hash:
ba34197f1cbe2e7cd356d256255fc243
SHA1 hash:
394ae635287fc9461ff604f486b84008be696383
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/bd55bef6-cb92-46f0-8e17-d568d543445d/
Parent samples :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 hash:
77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28
MD5 hash:
0ba80b3b162e0163a89046e9d615faaa
SHA1 hash:
97f82667d4964d26e4d94ecf816aed942e3a8496
Link:
https://www.unpac.me/results/bd55bef6-cb92-46f0-8e17-d568d543445d/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77ab14435cfa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 77ab14435cfa6a529c4fd82f1023feefef7f6d8da96ef680365980f805b86b28

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3052315/
  
URLhaus
https://urlhaus.abuse.ch/url/3072741/
  
URLhaus
https://urlhaus.abuse.ch/url/3052257/
  
URLhaus
https://urlhaus.abuse.ch/url/2948289/

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
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::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleInputW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetSystemDirectoryW

Comments