MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22618620d54f8dc9541881741fc04042aea9d77c4ff38b84682b50a41a4a2371. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 22618620d54f8dc9541881741fc04042aea9d77c4ff38b84682b50a41a4a2371
SHA3-384 hash: 2359038fc43e09425865367859985944147720d160fdc0b484bd71a64f1ded3b844d8d3593b6142b0d787dbc7e49432c
SHA1 hash: 51161127980c4f373d24f252ceda4f8a6c4d2410
MD5 hash: 18a45fc1dab525032afe4b556c7d3d25
humanhash: eight-indigo-carbon-quebec
File name:18a45fc1dab525032afe4b556c7d3d25.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:529'408 bytes
First seen:2023-09-22 14:45:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 481426840925713472571ed38af43b3e (1 x UACModuleSmokeLoader, 1 x Stealc)
ssdeep 12288:yFj+70KTb9YAKg3uz+K4dLWvQKcvmPgZhDil6n2S/8knXPJIcTMwP3:yFj+7j9xKDOdL2QKNPUhGUekz9P3
Threatray 67 similar samples on MalwareBazaar
TLSH T189B412113AE2D075D1AA8539CC61EBA06A7BFCF158B4894B33C0365F6EF03D15AA7316
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.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 0018d1a0a4d0a4c0 (1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
270
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
18a45fc1dab525032afe4b556c7d3d25.exe
Verdict:
Malicious activity
Analysis date:
2023-09-22 14:50:59 UTC
Tags:
n/a

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

Behaviour
Rewriting of the hard drive's master boot record
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
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.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-09-22 14:46:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Behaviour
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
22618620d54f8dc9541881741fc04042aea9d77c4ff38b84682b50a41a4a2371
MD5 hash:
18a45fc1dab525032afe4b556c7d3d25
SHA1 hash:
51161127980c4f373d24f252ceda4f8a6c4d2410
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

File information


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

Web download

UACModuleSmokeLoader

Executable exe 22618620d54f8dc9541881741fc04042aea9d77c4ff38b84682b50a41a4a2371

(this sample)

  
Delivery method
Distributed via web download

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