MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d053879ededbb8f28a3f336c73d2236993f92bc8cbfdd9b5ad160b7123c1c39a. 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 8 File information Comments

SHA256 hash: d053879ededbb8f28a3f336c73d2236993f92bc8cbfdd9b5ad160b7123c1c39a
SHA3-384 hash: f475539656be023dd6ee7898e1eeec3b6ecf442a06e85d245ac3e62e6cf3df9fe9d6b88014566cf7b5b2e00521f62516
SHA1 hash: a1b810e14a1bae2168d0cf8858e89ec895843fd2
MD5 hash: 0392ffa1513334591e5a115983b0373e
humanhash: stream-alabama-stairway-lion
File name:SecuriteInfo.com.Win32.PWSX-gen.14598.16436
Download: download sample
Signature UACModuleSmokeLoader
File size:585'728 bytes
First seen:2024-01-18 23:38:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a860534c65593d47c3f83c4b9631cfae (1 x Smoke Loader, 1 x UACModuleSmokeLoader)
ssdeep 12288:MusijWEr7bzhTSU2JcRSsA7j6lg/OELFGu4gV6G:Mu1jTXZTSEZZg2EBMgAG
Threatray 110 similar samples on MalwareBazaar
TLSH T1FEC4F02122E58032F2F326377575BB554E7BB8276971608F1AD51E3D0F24AE29F2072B
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 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter SecuriteInfoCom
Tags:exe UACModuleSmokeLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
310
Origin country :
FR FR
Vendor Threat Intelligence
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:
diskwriter 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:
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:
2024-01-18 23:39:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
16 of 24 (66.67%)
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:
d053879ededbb8f28a3f336c73d2236993f92bc8cbfdd9b5ad160b7123c1c39a
MD5 hash:
0392ffa1513334591e5a115983b0373e
SHA1 hash:
a1b810e14a1bae2168d0cf8858e89ec895843fd2
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:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
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 d053879ededbb8f28a3f336c73d2236993f92bc8cbfdd9b5ad160b7123c1c39a

(this sample)

  
Delivery method
Distributed via web download

Comments