MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0492bb7752122b4c35a9d914b96318401ec1c187739aea0231ea54e7cbeebc76. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 0492bb7752122b4c35a9d914b96318401ec1c187739aea0231ea54e7cbeebc76
SHA3-384 hash: bb0d66da7a5c64164778f0e844080ac4a68593be6cd32f04258af3c52cb750f148d78fdee81b8034fd8d37a8a01cbc97
SHA1 hash: 17a65c08aaad5f37f5f94c6fd9796557b9aa0429
MD5 hash: bfb3856736997ad7205ca913e069d7fa
humanhash: louisiana-stairway-neptune-may
File name:bfb3856736997ad7205ca913e069d7fa.exe
Download: download sample
Signature UACModuleSmokeLoader
File size:608'768 bytes
First seen:2023-05-13 06:47:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dac3c11d45819b7994d02cd08167cb44 (1 x RedLineStealer, 1 x RecordBreaker, 1 x UACModuleSmokeLoader)
ssdeep 12288:xz0/TfvHFLlOxcYX6Nvpgp2wQOKkaw3LffKj:xo/jfrk6NBlwQSaHj
Threatray 27 similar samples on MalwareBazaar
TLSH T16CD4BF6393A13D54E92A4B729E1FC6EC361EF3608F19376A22295E1F05B03B2D173B15
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 001072c0a2cbb028 (1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
266
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bfb3856736997ad7205ca913e069d7fa.exe
Verdict:
Malicious activity
Analysis date:
2023-05-13 06:49:22 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
Сreating synchronization primitives
Sending a custom TCP request
Rewriting of the hard drive's master boot record
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed pitou smokeloader zusy
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.Smokeloader
Status:
Malicious
First seen:
2023-05-11 11:40:43 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
30 of 37 (81.08%)
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:
b1272de3f0fc0785efa4c692b4a1471c9b419dd93b7dcd4c9dc4fb6c09abc549
MD5 hash:
9872fdbffbdb3145dc372df17ee4fdde
SHA1 hash:
595ddab28edeae1793481367e495e8db4c329446
SH256 hash:
0492bb7752122b4c35a9d914b96318401ec1c187739aea0231ea54e7cbeebc76
MD5 hash:
bfb3856736997ad7205ca913e069d7fa
SHA1 hash:
17a65c08aaad5f37f5f94c6fd9796557b9aa0429
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
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 0492bb7752122b4c35a9d914b96318401ec1c187739aea0231ea54e7cbeebc76

(this sample)

  
Delivery method
Distributed via web download

Comments