MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf20e10da6c6c4a65f9e992ea5dc4618d09dda0b3fe9de72fbe6e62dc791b307. 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



Adware.Neoreklami


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: bf20e10da6c6c4a65f9e992ea5dc4618d09dda0b3fe9de72fbe6e62dc791b307
SHA3-384 hash: d4339a431feb60bce5a9cae31dfad7d406d15712d4e2471aa1cb9dd56cf44698dcde25b481d18a091db572598240c875
SHA1 hash: 6d498c8fb76de003bcd362e331579224d114b201
MD5 hash: e66bdeb4a49741d14447cb94209780a5
humanhash: kilo-fruit-undress-don
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'540'367 bytes
First seen:2023-11-23 10:04:34 UTC
Last seen:2023-11-23 15:02:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3786a4cf8bfee8b4821db03449141df4 (2'222 x Adware.Neoreklami, 2 x RedLineStealer, 2 x Adware.MultiPlug)
ssdeep 196608:91OeSoov4hcpvIVH4D2ndCzOuF09xQxKeEo8A4hYPq8p:3OjcgIxa2nUVEsEo8Thn8p
TLSH T19E763340FCF28CB4D01A2775699E7650E2B4E7E01542DA2723EF2029FF6B19BC1B95A4
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 848c5454baf47474 (2'088 x Adware.Neoreklami, 101 x RedLineStealer, 33 x DiamondFox)
Reporter andretavare5
Tags:Adware.Neoreklami exe


Avatar
andretavare5
Sample downloaded from http://194.169.175.233/setup.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
351
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Launching a process
Modifying a system file
Searching for the window
Launching cmd.exe command interpreter
Deleting a recently created file
Creating a process with a hidden window
Forced system process termination
Replacing files
Launching a service
Creating a file
Blocking the Windows Defender launch
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed sfx shell32
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:
Neoreklami
Detection:
malicious
Classification:
adwa.evad
Score:
100 / 100
Signature
Adds extensions / path to Windows Defender exclusion list
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Modifies Group Policy settings
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Suspicious powershell command line found
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Yara detected Neoreklami
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1346868 Sample: file.exe Startdate: 23/11/2023 Architecture: WINDOWS Score: 100 90 Snort IDS alert for network traffic 2->90 92 Antivirus detection for URL or domain 2->92 94 Multi AV Scanner detection for dropped file 2->94 96 5 other signatures 2->96 10 file.exe 7 2->10         started        13 KHoazGb.exe 1 8 2->13         started        16 powershell.exe 12 2->16         started        process3 file4 82 C:\Users\user\AppData\Local\...\Install.exe, PE32 10->82 dropped 18 Install.exe 4 10->18         started        84 C:\Windows\Temp\...\BeIQAvj.exe, PE32 13->84 dropped 112 Multi AV Scanner detection for dropped file 13->112 114 Very long command line found 13->114 116 Modifies Windows Defender protection settings 13->116 22 powershell.exe 9 13->22         started        118 Uses cmd line tools excessively to alter registry or file data 16->118 24 conhost.exe 16->24         started        26 gpupdate.exe 16->26         started        signatures5 process6 file7 80 C:\Users\user\AppData\Local\...\Install.exe, PE32 18->80 dropped 98 Multi AV Scanner detection for dropped file 18->98 28 Install.exe 10 18->28         started        100 Uses cmd line tools excessively to alter registry or file data 22->100 102 Modifies Windows Defender protection settings 22->102 32 cmd.exe 1 22->32         started        34 reg.exe 22->34         started        36 reg.exe 22->36         started        38 22 other processes 22->38 signatures8 process9 file10 86 C:\Users\user\AppData\Local\...\KHoazGb.exe, PE32 28->86 dropped 88 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 28->88 dropped 120 Multi AV Scanner detection for dropped file 28->120 122 Uses schtasks.exe or at.exe to add and modify task schedules 28->122 124 Modifies Windows Defender protection settings 28->124 128 2 other signatures 28->128 40 forfiles.exe 1 28->40         started        43 forfiles.exe 1 28->43         started        45 schtasks.exe 1 28->45         started        53 3 other processes 28->53 126 Uses cmd line tools excessively to alter registry or file data 32->126 47 reg.exe 1 1 32->47         started        49 conhost.exe 34->49         started        51 Conhost.exe 36->51         started        signatures11 process12 signatures13 106 Modifies Windows Defender protection settings 40->106 108 Adds extensions / path to Windows Defender exclusion list 40->108 55 cmd.exe 1 40->55         started        58 conhost.exe 40->58         started        60 cmd.exe 1 43->60         started        62 conhost.exe 43->62         started        110 Uses cmd line tools excessively to alter registry or file data 45->110 64 conhost.exe 45->64         started        66 conhost.exe 53->66         started        68 conhost.exe 53->68         started        70 conhost.exe 53->70         started        process14 signatures15 104 Uses cmd line tools excessively to alter registry or file data 55->104 72 reg.exe 1 1 55->72         started        74 reg.exe 1 55->74         started        76 reg.exe 1 1 60->76         started        78 reg.exe 1 60->78         started        process16
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-23 10:05:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
13 of 23 (56.52%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Drops Chrome extension
Drops desktop.ini file(s)
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Unpacked files
SH256 hash:
18b9e08dc6589e633b08bd1338358570333b52b0100b2eff1c299d5ddd756084
MD5 hash:
90de512c1588700e81f9e8e28f991a83
SHA1 hash:
96c28c9cacc64d59ab18a5e05e09305426c73735
SH256 hash:
bf20e10da6c6c4a65f9e992ea5dc4618d09dda0b3fe9de72fbe6e62dc791b307
MD5 hash:
e66bdeb4a49741d14447cb94209780a5
SHA1 hash:
6d498c8fb76de003bcd362e331579224d114b201
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments