MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d15979a1a769e0e1b02a8d6821dc3ffc1923a7c88e178ca690865f73bc3e79fd. 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: d15979a1a769e0e1b02a8d6821dc3ffc1923a7c88e178ca690865f73bc3e79fd
SHA3-384 hash: b13af11cac2ce3924c17c581fc2faa2b549241da52a66bbf0b74116c2a7807bb3a2ad7e1381b89abaa73cc917766a909
SHA1 hash: 70105083b7576a26a79dd1e87ae9821eb6ae4841
MD5 hash: e00494ebd0846901cfd96d2186746352
humanhash: november-failed-undress-eighteen
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'532'940 bytes
First seen:2023-11-17 01:19:57 UTC
Last seen:2023-11-17 04:42:31 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 196608:91Oh5fyzlp8XAWgXx4rAFABtahYPA+Xf3xwhn9Dx:3O/yzlhWmxqAEtad+fxwh9V
TLSH T1BB763335BAE3CDF2D7832F71CF682799A8FDE292263084676B952D7D0F201D58121396
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 :
4
# of downloads :
356
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
Creating a file
Replacing files
Blocking the Windows Defender launch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
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
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: 1343945 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 Multi AV Scanner detection for dropped file 2->98 100 7 other signatures 2->100 10 file.exe 7 2->10         started        13 PiMATpn.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\...\lhfbptJ.exe, PE32 13->88 dropped 116 Multi AV Scanner detection for dropped file 13->116 118 Very long command line found 13->118 120 Machine Learning detection for dropped file 13->120 122 Modifies Windows Defender protection settings 13->122 24 powershell.exe 9 13->24         started        26 gpupdate.exe 16->26         started        28 conhost.exe 16->28         started        signatures5 process6 file7 84 C:\Users\user\AppData\Local\...\Install.exe, PE32 20->84 dropped 102 Multi AV Scanner detection for dropped file 20->102 104 Machine Learning detection for dropped file 20->104 30 Install.exe 10 20->30         started        106 Uses cmd line tools excessively to alter registry or file data 24->106 108 Modifies Windows Defender protection settings 24->108 34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        38 reg.exe 24->38         started        42 19 other processes 24->42 40 conhost.exe 26->40         started        signatures8 process9 file10 90 C:\Users\user\AppData\Local\...\PiMATpn.exe, PE32 30->90 dropped 92 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 30->92 dropped 124 Multi AV Scanner detection for dropped file 30->124 126 Machine Learning detection for dropped file 30->126 128 Uses schtasks.exe or at.exe to add and modify task schedules 30->128 132 3 other signatures 30->132 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->57 130 Uses cmd line tools excessively to alter registry or file data 34->130 51 reg.exe 1 1 34->51         started        53 Conhost.exe 36->53         started        55 Conhost.exe 38->55         started        signatures11 process12 signatures13 112 Modifies Windows Defender protection settings 44->112 114 Adds extensions / path to Windows Defender exclusion list 44->114 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 110 Uses cmd line tools excessively to alter registry or file data 59->110 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 01:20:06 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 24 (58.33%)
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
Unpacked files
SH256 hash:
649f5496d47c79fd1edcf029f0f0e9e8db35a140a3f225415eff4203df40ffdf
MD5 hash:
13dc05ffdc9d94b21ab7593b03163cbe
SHA1 hash:
d63c596e5ccc1321aeccffec5c762f42727ed5ac
SH256 hash:
d15979a1a769e0e1b02a8d6821dc3ffc1923a7c88e178ca690865f73bc3e79fd
MD5 hash:
e00494ebd0846901cfd96d2186746352
SHA1 hash:
70105083b7576a26a79dd1e87ae9821eb6ae4841
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