MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5cc12fdc67da1a3f95f51a91669e51a4022a1578c2dbb83440aeeb5e9688aeb. 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



UACModuleSmokeLoader


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: b5cc12fdc67da1a3f95f51a91669e51a4022a1578c2dbb83440aeeb5e9688aeb
SHA3-384 hash: 198256473636a3eacad05bd959e27553930744ec2511546a7eea3bf604cb1f8112d8843215cc61e55117611b1be85493
SHA1 hash: c1c41e7443a97f045bb6d6a9f3e35ab2ec294dad
MD5 hash: 24ba18f1f1d21a60422b5675fdf85aa9
humanhash: dakota-thirteen-august-william
File name:24ba18f1f1d21a60422b5675fdf85aa9.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:522'752 bytes
First seen:2023-10-05 08:35:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce62d6c99a2ee08049f067650fad119c (3 x Tofsee, 3 x Smoke Loader, 3 x Stealc)
ssdeep 12288:CvohC1/OYGRPg0hc2oIW6g5/O7BBOhlzbkgUM4wh:wohYbGRPgmc2P/g5CBOlzITw
Threatray 68 similar samples on MalwareBazaar
TLSH T112B4122235B0C175E6A785754570D680AF3BB823A535818F37281B7F7F23AC25B7A346
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0400080208402000 (1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
257
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Gathering data
Gathering data
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:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
88 / 100
Signature
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Tofsee
Status:
Malicious
First seen:
2023-10-04 11:53:09 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
b5cc12fdc67da1a3f95f51a91669e51a4022a1578c2dbb83440aeeb5e9688aeb
MD5 hash:
24ba18f1f1d21a60422b5675fdf85aa9
SHA1 hash:
c1c41e7443a97f045bb6d6a9f3e35ab2ec294dad
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:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SEH__vectored
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

UACModuleSmokeLoader

Executable exe b5cc12fdc67da1a3f95f51a91669e51a4022a1578c2dbb83440aeeb5e9688aeb

(this sample)

  
Delivery method
Distributed via web download

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