MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 105e38f1e8abdb858c4ad268c6c05dc20eb59ad3dc4fb72c35f0f2832b25e038. 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



Smoke Loader


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 105e38f1e8abdb858c4ad268c6c05dc20eb59ad3dc4fb72c35f0f2832b25e038
SHA3-384 hash: 6091144f9f2974b1d7298d30f5b5f01e7d861ef9a25c2cfb973de9bec058e01323dddae0cd8753fd1abcdec7e4a040b0
SHA1 hash: 79f227b556449cc4dec1e7856af831148c23803b
MD5 hash: 8eddd51ac864421764fe2add77f2ec65
humanhash: nevada-uncle-wyoming-illinois
File name:8eddd51ac864421764fe2add77f2ec65.exe
Download: download sample
Signature Smoke Loader
File size:983'968 bytes
First seen:2022-08-30 13:02:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 885c07b22374dc1137a9f063282ad390 (7 x RecordBreaker, 4 x RedLineStealer, 2 x Smoke Loader)
ssdeep 24576:cDu//58xtkkyuDgiyYJAN0wO8lo4wx60x:5ZkyuDgTmlcw
Threatray 144 similar samples on MalwareBazaar
TLSH T1C525BE2039D59531EDE250BA07ECF9324A6DE8F00B2146CF56CC57EE86246E13F369A7
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8eddd51ac864421764fe2add77f2ec65.exe
Verdict:
No threats detected
Analysis date:
2022-08-30 13:06:10 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
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay 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:
SmokeLoader
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
Creates a thread in another existing process (thread injection)
Found evasive API chain (may stop execution after checking mutex)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Performs DNS queries to domains with low reputation
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 693022 Sample: KN2ZPgeewA.exe Startdate: 30/08/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected SmokeLoader 2->40 42 C2 URLs / IPs found in malware configuration 2->42 8 KN2ZPgeewA.exe 1 2->8         started        11 uacijvr 2->11         started        process3 signatures4 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Injects a PE file into a foreign processes 8->62 13 AppLaunch.exe 8->13         started        16 WerFault.exe 23 9 8->16         started        process5 signatures6 64 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 13->64 66 Maps a DLL or memory area into another process 13->66 68 Checks if the current machine is a virtual machine (disk enumeration) 13->68 70 Creates a thread in another existing process (thread injection) 13->70 18 explorer.exe 2 13->18 injected process7 dnsIp8 34 ilaboqbdeqwem.xyz 194.87.94.240, 49740, 49741, 49742 MTW-ASRU Russian Federation 18->34 36 mkalgerie.com 141.94.30.33, 443, 49748, 49750 DFNVereinzurFoerderungeinesDeutschenForschungsnetzese Germany 18->36 32 C:\Users\user\AppData\Roaming\uacijvr, PE32 18->32 dropped 44 System process connects to network (likely due to code injection or exploit) 18->44 46 Benign windows process drops PE files 18->46 48 Performs DNS queries to domains with low reputation 18->48 50 3 other signatures 18->50 23 explorer.exe 18->23         started        26 explorer.exe 18->26         started        28 explorer.exe 18->28         started        30 6 other processes 18->30 file9 signatures10 process11 signatures12 52 Found evasive API chain (may stop execution after checking mutex) 23->52 54 Checks if browser processes are running 23->54 56 Contains functionality to compare user and computer (likely to detect sandboxes) 23->56
Threat name:
Win32.Infostealer.Raccoon
Status:
Malicious
First seen:
2022-08-30 13:03:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
a4f7f0e382bed84bb8d21631ba2099a1c320122c874bf0259bd5a64f273bbe8d
MD5 hash:
76f90aa7521747513119fce4d2213418
SHA1 hash:
ca0ef4dd6749a71415e41a8b0af4a8b65ad11b93
Detections:
win_smokeloader_a2
SH256 hash:
105e38f1e8abdb858c4ad268c6c05dc20eb59ad3dc4fb72c35f0f2832b25e038
MD5 hash:
8eddd51ac864421764fe2add77f2ec65
SHA1 hash:
79f227b556449cc4dec1e7856af831148c23803b
Malware family:
SmokeLoader
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB

File information


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

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