MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 375f623741fe071117c32d8e027f9a705ab54586b12ee5504a56d2205e95b38c. 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 4 File information Comments

SHA256 hash: 375f623741fe071117c32d8e027f9a705ab54586b12ee5504a56d2205e95b38c
SHA3-384 hash: b3e47d466421274114877210b24034f99b412a779c64b3304bdbeefb311be71275e97f1ff69977cd0306783c5cecbb40
SHA1 hash: b984fe36f8e304013f64733ee8efdb25d38062b3
MD5 hash: 1b8d390a00367f1ba41771585c19c4d2
humanhash: mountain-timing-apart-bravo
File name:1b8d390a00367f1ba41771585c19c4d2.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:671'232 bytes
First seen:2023-07-26 15:22:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bc04db2ad2507103ec76e744e96f25ba (1 x UACModuleSmokeLoader, 1 x ArkeiStealer, 1 x Smoke Loader)
ssdeep 12288:YQAZf5GOE4nVdrj8NRbsrAscGxh0OamxhrcZjmz:YXvGOxnVdk3bscexh0mrYjmz
Threatray 44 similar samples on MalwareBazaar
TLSH T1BAE47D8383A1BE44E9254B729F2FCAE8760DF6518F4D7BE6A1289F1F04B51B2D173610
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
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 0010404000080800 (1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1b8d390a00367f1ba41771585c19c4d2.exe
Verdict:
Malicious activity
Analysis date:
2023-07-26 15:23:20 UTC
Tags:
n/a

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

Behaviour
Sending a custom TCP request
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.Trojan.MintZard
Status:
Malicious
First seen:
2023-07-26 15:23:07 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
20 of 38 (52.63%)
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:
87f776743f1852705d418c3627744380019e9d63dd70737962f56bd2f1ff107a
MD5 hash:
beb1f632da458d8cdd00103654be92c9
SHA1 hash:
3cd539f2cb3a2f2cfbc1943a32432bfbc7f81b96
SH256 hash:
375f623741fe071117c32d8e027f9a705ab54586b12ee5504a56d2205e95b38c
MD5 hash:
1b8d390a00367f1ba41771585c19c4d2
SHA1 hash:
b984fe36f8e304013f64733ee8efdb25d38062b3
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:ICMLuaUtil_UACMe_M41
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:smokeloader_uac_module
Author:Nikolaos 'n0t' Totosis
Description:UAC bypass/file dropped by Smokeloader
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


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

Web download

UACModuleSmokeLoader

Executable exe 375f623741fe071117c32d8e027f9a705ab54586b12ee5504a56d2205e95b38c

(this sample)

  
Delivery method
Distributed via web download

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