MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31681d6627ac9be76ef47fa30d5d9a55327080fb0ecc2c0952d38c295a0d0677. 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: 31681d6627ac9be76ef47fa30d5d9a55327080fb0ecc2c0952d38c295a0d0677
SHA3-384 hash: cbb5e52e9e2cf7054fb68767f303cfe0821ad98c484de4972c6a2daa9b644688f45ebe0d9ca8bbe865ae88f979e0a90d
SHA1 hash: 7cc01398aff5615b56ec1de1c969d7afde50ad8a
MD5 hash: d51b45e02719dafa0fdbccddaf9cfa27
humanhash: stream-tango-thirteen-alanine
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'522'036 bytes
First seen:2023-11-17 22:22:31 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 196608:91OWvUy3WTU8++iB4FfC4GmvBnFa3yDt/Rx+6Cks:3OO3j8++EQC4DFa3yDt/6BB
TLSH T18E7633503AD4C8F6D66325BADF641EC1A3BA8B131E2212B7579DDC1D9F72CCCD122622
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 :
396
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
Modifying a system file
Launching cmd.exe command interpreter
Sending a custom TCP request
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:
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
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: 1344387 Sample: file.exe Startdate: 17/11/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Antivirus detection for URL or domain 2->90 92 Yara detected Neoreklami 2->92 94 3 other signatures 2->94 10 file.exe 7 2->10         started        13 MSsqIaL.exe 1 8 2->13         started        16 powershell.exe 12 2->16         started        process3 file4 80 C:\Users\user\AppData\Local\...\Install.exe, PE32 10->80 dropped 18 Install.exe 4 10->18         started        82 C:\Windows\Temp\...\MXsTKJC.exe, PE32 13->82 dropped 108 Very long command line found 13->108 110 Modifies Windows Defender protection settings 13->110 21 powershell.exe 9 13->21         started        24 gpupdate.exe 1 16->24         started        26 conhost.exe 16->26         started        signatures5 process6 file7 78 C:\Users\user\AppData\Local\...\Install.exe, PE32 18->78 dropped 28 Install.exe 10 18->28         started        96 Uses cmd line tools excessively to alter registry or file data 21->96 98 Modifies Windows Defender protection settings 21->98 32 cmd.exe 21->32         started        34 conhost.exe 21->34         started        36 svchost.exe 21->36         started        40 21 other processes 21->40 38 conhost.exe 24->38         started        signatures8 process9 file10 84 C:\Users\user\AppData\Local\...\MSsqIaL.exe, PE32 28->84 dropped 86 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 28->86 dropped 112 Uses schtasks.exe or at.exe to add and modify task schedules 28->112 114 Modifies Windows Defender protection settings 28->114 116 Adds extensions / path to Windows Defender exclusion list 28->116 118 Modifies Group Policy settings 28->118 42 forfiles.exe 1 28->42         started        45 forfiles.exe 1 28->45         started        47 schtasks.exe 1 28->47         started        51 3 other processes 28->51 120 Uses cmd line tools excessively to alter registry or file data 32->120 49 reg.exe 32->49         started        signatures11 process12 signatures13 102 Modifies Windows Defender protection settings 42->102 104 Adds extensions / path to Windows Defender exclusion list 42->104 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        106 Uses cmd line tools excessively to alter registry or file data 47->106 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 100 Uses cmd line tools excessively to alter registry or file data 53->100 70 reg.exe 1 1 53->70         started        72 reg.exe 1 53->72         started        74 reg.exe 1 1 58->74         started        76 reg.exe 1 58->76         started        process16
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-17 22:23:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 24 (58.33%)
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:
1c4c105a0724905e0edf25a73603b5dff496e5a46026de1baf01c210e4e037d2
MD5 hash:
f5c3d31848c5314a107fd8dc45f4b202
SHA1 hash:
5cab584e488b44793da496024d22a1ac8c5e3ec5
SH256 hash:
31681d6627ac9be76ef47fa30d5d9a55327080fb0ecc2c0952d38c295a0d0677
MD5 hash:
d51b45e02719dafa0fdbccddaf9cfa27
SHA1 hash:
7cc01398aff5615b56ec1de1c969d7afde50ad8a
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