MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27a00472519ed002a4dbb09fa244c39c4bdfa744819a70e7cd600058ddf54263. 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: 27a00472519ed002a4dbb09fa244c39c4bdfa744819a70e7cd600058ddf54263
SHA3-384 hash: 20dc0ae144c66f51835d371206be1169729d46f9f47d4b7f37b73e435565ed163312ae6dbe467c502725cb74148d1c24
SHA1 hash: d5dba11da7337534e92550bb37c232bc229848f2
MD5 hash: f0b64fd58bf7add23da99eab816c35bf
humanhash: vermont-utah-xray-yankee
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'546'460 bytes
First seen:2023-11-17 16:17:34 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 196608:91OlqCTsCfQLGpl+vONZyQeC+XcVQWfXIOwR:3OMNSHjPyQGXunIOwR
TLSH T17B763391BADD8034C4909630DD5169A6A2F6D91B5B7183F73B8C0BAC6BB30B4D137ACD
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 :
331
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
Sending a custom TCP request
Modifying a system file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Forced system process termination
Replacing files
Launching a service
Deleting a recently created file
Creating a file
Sending a UDP request
Running batch commands
Blocking the Windows Defender launch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 1344248 Sample: file.exe Startdate: 17/11/2023 Architecture: WINDOWS Score: 100 92 Snort IDS alert for network traffic 2->92 94 Antivirus detection for URL or domain 2->94 96 Multi AV Scanner detection for dropped file 2->96 98 7 other signatures 2->98 10 file.exe 7 2->10         started        13 WupfpCq.exe 1 8 2->13         started        16 powershell.exe 12 2->16         started        18 gpscript.exe 2->18         started        process3 file4 84 C:\Users\user\AppData\Local\...\Install.exe, PE32 10->84 dropped 20 Install.exe 4 10->20         started        86 C:\Windows\Temp\...NPHBCK.exe, PE32 13->86 dropped 114 Multi AV Scanner detection for dropped file 13->114 116 Very long command line found 13->116 118 Machine Learning detection for dropped file 13->118 120 Modifies Windows Defender protection settings 13->120 24 powershell.exe 9 13->24         started        26 gpupdate.exe 16->26         started        28 conhost.exe 16->28         started        signatures5 process6 file7 82 C:\Users\user\AppData\Local\...\Install.exe, PE32 20->82 dropped 100 Multi AV Scanner detection for dropped file 20->100 102 Machine Learning detection for dropped file 20->102 30 Install.exe 10 20->30         started        104 Uses cmd line tools excessively to alter registry or file data 24->104 106 Modifies Windows Defender protection settings 24->106 34 cmd.exe 1 24->34         started        36 reg.exe 24->36         started        38 conhost.exe 24->38         started        42 19 other processes 24->42 40 conhost.exe 26->40         started        signatures8 process9 file10 88 C:\Users\user\AppData\Local\...\WupfpCq.exe, PE32 30->88 dropped 90 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 30->90 dropped 122 Multi AV Scanner detection for dropped file 30->122 124 Machine Learning detection for dropped file 30->124 126 Uses schtasks.exe or at.exe to add and modify task schedules 30->126 130 3 other signatures 30->130 44 forfiles.exe 1 30->44         started        47 forfiles.exe 1 30->47         started        49 schtasks.exe 2 30->49         started        55 3 other processes 30->55 128 Uses cmd line tools excessively to alter registry or file data 34->128 51 reg.exe 1 1 34->51         started        53 Conhost.exe 36->53         started        signatures11 process12 signatures13 110 Modifies Windows Defender protection settings 44->110 112 Adds extensions / path to Windows Defender exclusion list 44->112 57 cmd.exe 1 44->57         started        60 conhost.exe 44->60         started        62 cmd.exe 1 47->62         started        64 conhost.exe 47->64         started        66 conhost.exe 49->66         started        68 conhost.exe 55->68         started        70 conhost.exe 55->70         started        72 conhost.exe 55->72         started        process14 signatures15 108 Uses cmd line tools excessively to alter registry or file data 57->108 74 reg.exe 1 1 57->74         started        76 reg.exe 1 57->76         started        78 reg.exe 1 1 62->78         started        80 reg.exe 1 62->80         started        process16
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-11-17 16:18:05 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:
979e1695a6d4fb524b00f05b30e64e91067d6e68c4f666b062536d791f60d967
MD5 hash:
8c3dac5e52c12df2d82f2d9e9682d36f
SHA1 hash:
643db82c775062e90567e24b538b31025a086d1a
SH256 hash:
27a00472519ed002a4dbb09fa244c39c4bdfa744819a70e7cd600058ddf54263
MD5 hash:
f0b64fd58bf7add23da99eab816c35bf
SHA1 hash:
d5dba11da7337534e92550bb37c232bc229848f2
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