MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f0b50642b6727fc4105415facfe4331153b6acf295f751f03cbbf624cfb30be. 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 4 File information Comments

SHA256 hash: 3f0b50642b6727fc4105415facfe4331153b6acf295f751f03cbbf624cfb30be
SHA3-384 hash: c214bc06f13c4436f59bf0c4d3c0f26c93dfb4c3bd6682e78ab35910f8f8d6b119f7f5aafed8178e5dc075413e41e4e1
SHA1 hash: d58e472d7e71b7e86c509b5913c3246917054966
MD5 hash: 22b6fb2e97afec315c96ae35145d24d5
humanhash: nebraska-lion-nebraska-connecticut
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'486'826 bytes
First seen:2023-11-17 17:54:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3786a4cf8bfee8b4821db03449141df4 (2'102 x Adware.Neoreklami, 2 x RedLineStealer, 2 x Adware.MultiPlug)
ssdeep 196608:91OeVRGMxLNyzxhshZJ+CjfKWg04aj7F0Ad:3OkRGMxLUhshSJn0BFF
TLSH T1C17633A5BDF2C574EDCB153383382FD270E5DA644631C9E303A146EE47287E4A61E93A
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 :
1
# of downloads :
345
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Modifying a system file
Creating a process with a hidden window
Forced system process termination
Replacing files
Launching a service
Sending a UDP request
Deleting a recently created file
Creating a file
Running batch commands
Blocking the Windows Defender launch
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm 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
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: 1344293 Sample: file.exe Startdate: 17/11/2023 Architecture: WINDOWS Score: 100 94 Snort IDS alert for network traffic 2->94 96 Antivirus detection for URL or domain 2->96 98 Yara detected Neoreklami 2->98 100 3 other signatures 2->100 10 file.exe 7 2->10         started        13 GgNMuiE.exe 1 8 2->13         started        16 powershell.exe 12 2->16         started        18 gpscript.exe 2->18         started        process3 file4 86 C:\Users\user\AppData\Local\...\Install.exe, PE32 10->86 dropped 20 Install.exe 4 10->20         started        88 C:\Windows\Temp\...\erxBBHZ.exe, PE32 13->88 dropped 112 Very long command line found 13->112 114 Uses cmd line tools excessively to alter registry or file data 13->114 116 Modifies Windows Defender protection settings 13->116 23 powershell.exe 9 13->23         started        26 gpupdate.exe 1 16->26         started        28 conhost.exe 16->28         started        signatures5 process6 file7 84 C:\Users\user\AppData\Local\...\Install.exe, PE32 20->84 dropped 30 Install.exe 10 20->30         started        102 Uses cmd line tools excessively to alter registry or file data 23->102 104 Modifies Windows Defender protection settings 23->104 34 cmd.exe 23->34         started        36 reg.exe 23->36         started        38 reg.exe 23->38         started        42 19 other processes 23->42 40 conhost.exe 26->40         started        signatures8 process9 file10 90 C:\Users\user\AppData\Local\...behaviorgraphgNMuiE.exe, PE32 30->90 dropped 92 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 30->92 dropped 118 Uses schtasks.exe or at.exe to add and modify task schedules 30->118 120 Modifies Windows Defender protection settings 30->120 122 Adds extensions / path to Windows Defender exclusion list 30->122 124 Modifies Group Policy settings 30->124 44 forfiles.exe 1 30->44         started        47 forfiles.exe 1 30->47         started        49 schtasks.exe 2 30->49         started        57 3 other processes 30->57 126 Uses cmd line tools excessively to alter registry or file data 34->126 51 reg.exe 34->51         started        53 Conhost.exe 36->53         started        55 Conhost.exe 38->55         started        signatures11 process12 signatures13 108 Modifies Windows Defender protection settings 44->108 110 Adds extensions / path to Windows Defender exclusion list 44->110 59 cmd.exe 1 44->59         started        62 conhost.exe 44->62         started        64 cmd.exe 1 47->64         started        66 conhost.exe 47->66         started        68 conhost.exe 49->68         started        70 conhost.exe 57->70         started        72 conhost.exe 57->72         started        74 conhost.exe 57->74         started        process14 signatures15 106 Uses cmd line tools excessively to alter registry or file data 59->106 76 reg.exe 1 1 59->76         started        78 reg.exe 1 59->78         started        80 reg.exe 1 1 64->80         started        82 reg.exe 1 64->82         started        process16
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-11-17 17:55:05 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
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:
8017ec167be86942e921f6b92faa1b62f77f7ca6fcf2b24998dffb135b4174c9
MD5 hash:
59dd96c97493477679bcac9244783f0f
SHA1 hash:
af6b7155bf7931cdb46a12705187fc2c647d04d6
SH256 hash:
3f0b50642b6727fc4105415facfe4331153b6acf295f751f03cbbf624cfb30be
MD5 hash:
22b6fb2e97afec315c96ae35145d24d5
SHA1 hash:
d58e472d7e71b7e86c509b5913c3246917054966
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
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

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