MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b
SHA3-384 hash: 870954aa65fc110969d0dbc8bda0a00b6ef254542724d4a16398e4e446bc0e886ca34b6ab0d581734008dad0d5610811
SHA1 hash: 293eaa03b9ee692776ef692fbd3eab594b714cd0
MD5 hash: 8d8a71724e4a24319285ad58bf802dc6
humanhash: blue-cat-ink-jig
File name:8d8a71724e4a24319285ad58bf802dc6
Download: download sample
Signature UACModuleSmokeLoader
Create hunting rule
File size:600'576 bytes
First seen:2024-03-28 09:04:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d6cc7eef7e91d5b40575c3542ffc17dc (2 x LummaStealer, 2 x GCleaner, 1 x UACModuleSmokeLoader)
ssdeep 12288:4b90qFhhqVeMnVUkP4+up5UlT7JxvvZ2ve:wFvqVb4D56TlV2e
Threatray 157 similar samples on MalwareBazaar
TLSH T1FDD4F13372E1BC20E5B34B33ED3D9594263EF9528EA96B5B33145E1F14701A1C66AB23
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 08080a2240808000 (1 x UACModuleSmokeLoader)
Reporter zbetcheckin
Tags:32 exe UACModuleSmokeLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b.exe
Verdict:
Malicious activity
Analysis date:
2024-03-28 09:06:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/043b2d9c-afa2-4abc-844f-3daa87c063bf

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
Rewriting of the hard drive's master boot record
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/660532cc1c5277edcec312cd/reports/62fd93e3-ace6-4ea5-9fe0-81f7209a7427/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b
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.
Malware family:
Pitou
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/896fb545-795a-424e-b4ab-a81529e9b618
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1416931
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to infect the boot sector
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b/
Threat name:
Win32.Ransomware.Stopcrypt
Create hunting rule
Status:
Malicious
First seen:
2024-03-28 09:05:11 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qr6ghycpgpcnxu3sopxxcwf4rmsxb6f2ksvabdfgvothbcoqqnvq._file
Verdict:
malicious
Similar samples:
0492bb7752122b4c35a9d914b96318401ec1c187739aea0231ea54e7cbeebc76
UACModuleSmokeLoader
0c8fcb4201e67579906b7a3512f0f093297231ecad2b949a7b41d377f22b5d56
UACModuleSmokeLoader
17745cf313048c8618b348f3ed48abf6dc440e956a33ffdb252e53d6c05062a4
UACModuleSmokeLoader
22618620d54f8dc9541881741fc04042aea9d77c4ff38b84682b50a41a4a2371
UACModuleSmokeLoader
375f623741fe071117c32d8e027f9a705ab54586b12ee5504a56d2205e95b38c
UACModuleSmokeLoader
46a218a16190914c66dbcdf1a8c0d35aa3d0bc246b6cf16075567c85340bd33f
UACModuleSmokeLoader
6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d
UACModuleSmokeLoader
847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b
UACModuleSmokeLoader
c98b767c0ceb5c2bc05e873a06f0f264d8f7e42fd51c475e8595514d8b81f09f
UACModuleSmokeLoader
+ 147 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
bootkit persistence
Link:
https://tria.ge/reports/240328-k1622sha7w/
Behaviour
Writes to the Master Boot Record (MBR)
Unpacked files
SH256 hash:
34214083ce60696dc171d58c3152856c1a0eb661a4741e22a340bdd52258b130
MD5 hash:
a88a0c4d6e13fae0fe18355522632341
SHA1 hash:
7efeee839a564461fdafc79a3c22d490137a6ef7
Link:
https://www.unpac.me/results/cb93d996-43e1-4e31-9cf6-1dd7fa945c7f/
Parent samples :
6c3faa9c54a7d44226623afee69d63114957699330dd576092965999550dd19d
f5ab502850f557c78d1ad09eb855a47ff25ce8aa00e8d67b4144a88228ebca3c
8a4eddeda8fecb5a816a28f0760ee4d0d8bf23edbda384a5913d631d676c7438
6a9ed12c03ce93c32945020a180464af9589be469a9193160f6eb7b45e4ede04
e92de9eadeef273bd294c6eceb92f750768766a79c215843e948f37b95bb6723
b565fe1734ee581763ff75a4e26f262d8268333f675d0a5bc2681950bc4ff6cc
66e164f2a4ea3b37586ceb2d699aa89e8a9475e9cd25c51476fd0a7d307df76a
SH256 hash:
847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b
MD5 hash:
8d8a71724e4a24319285ad58bf802dc6
SHA1 hash:
293eaa03b9ee692776ef692fbd3eab594b714cd0
Link:
https://www.unpac.me/results/cb93d996-43e1-4e31-9cf6-1dd7fa945c7f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/847c63e04f33/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:ICMLuaUtil_UACMe_M41
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_5fbf5680
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
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 847c63e04f33c4dbd37273ef7158bc8b2570f8ba54aa008ca6aba67089d0836b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2794677/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeMountPointA
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputW
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceW

Comments


Avatar
zbet commented on 2024-03-28 09:04:27 UTC

url : hxxps://elconnova.com/images/1.jpg