MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f302f2b147fc5fd6f6649198af738bf84b541b42483c9f236bd6e7953fa4b56f. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: f302f2b147fc5fd6f6649198af738bf84b541b42483c9f236bd6e7953fa4b56f
SHA3-384 hash: c7ad9c8ec43d2e7cb605d74c5bf53505586af241a09c2053cacd60eb097e43a29909fc76146088bc90f35f161f1e725e
SHA1 hash: 36ffd74653532e9eca491d36d8410977ff046f92
MD5 hash: 775e07212cf120aedadea8e788c658fd
humanhash: magnesium-don-missouri-missouri
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'515'252 bytes
First seen:2023-11-20 00:59:13 UTC
Last seen:2023-11-20 05:50:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3786a4cf8bfee8b4821db03449141df4 (2'102 x Adware.Neoreklami, 2 x RedLineStealer, 2 x Adware.MultiPlug)
ssdeep 196608:91OA4HrunKHBrV1HbU3dux+8y6SBVPD0OVTyTyTy+SfcY:3OJKodXssvNSBVPDPfTy/fcY
TLSH T1B9763300B5C9D5B4E3E01431AE186FF8F621EB185B350BA33779948D6E169C9C33BEA5
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 :
354
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
Launching cmd.exe command interpreter
Searching for the window
Modifying a system file
Sending a custom TCP request
Deleting a recently created file
Creating a file
Creating a process with a hidden window
Forced system process termination
Replacing files
Launching a service
Sending a UDP request
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: 1344872 Sample: file.exe Startdate: 20/11/2023 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 DudzzDO.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\...\UYKatre.exe, PE32 13->84 dropped 110 Multi AV Scanner detection for dropped file 13->110 112 Very long command line found 13->112 114 Modifies Windows Defender protection settings 13->114 22 powershell.exe 9 13->22         started        24 gpupdate.exe 16->24         started        26 conhost.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 conhost.exe 22->34         started        36 reg.exe 22->36         started        40 24 other processes 22->40 38 conhost.exe 24->38         started        signatures8 process9 file10 86 C:\Users\user\AppData\Local\...\DudzzDO.exe, PE32 28->86 dropped 88 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 28->88 dropped 116 Multi AV Scanner detection for dropped file 28->116 118 Uses schtasks.exe or at.exe to add and modify task schedules 28->118 120 Modifies Windows Defender protection settings 28->120 124 2 other signatures 28->124 42 forfiles.exe 1 28->42         started        45 forfiles.exe 1 28->45         started        47 schtasks.exe 2 28->47         started        51 3 other processes 28->51 122 Uses cmd line tools excessively to alter registry or file data 32->122 49 reg.exe 1 1 32->49         started        signatures11 process12 signatures13 106 Modifies Windows Defender protection settings 42->106 108 Adds extensions / path to Windows Defender exclusion list 42->108 53 cmd.exe 1 42->53         started        56 conhost.exe 42->56         started        58 cmd.exe 1 45->58         started        60 conhost.exe 45->60         started        62 conhost.exe 47->62         started        64 conhost.exe 51->64         started        66 conhost.exe 51->66         started        68 conhost.exe 51->68         started        process14 signatures15 70 reg.exe 1 1 53->70         started        72 reg.exe 1 53->72         started        104 Uses cmd line tools excessively to alter registry or file data 58->104 74 reg.exe 1 1 58->74         started        76 reg.exe 1 58->76         started        78 Conhost.exe 62->78         started        process16
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-11-20 01:00:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
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:
49ca78189a330a8719524b45145f91dfb7482e7bfb186f1654eb35255d5a3d68
MD5 hash:
f78499e940e7782cfbed3567ee46941a
SHA1 hash:
ccd137ef53ff585e1401eaab99cdac38f07bfe50
SH256 hash:
f302f2b147fc5fd6f6649198af738bf84b541b42483c9f236bd6e7953fa4b56f
MD5 hash:
775e07212cf120aedadea8e788c658fd
SHA1 hash:
36ffd74653532e9eca491d36d8410977ff046f92
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