MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b8a371c20b16861e2dfc33f4757ffab43c79361a21099d92acda671e46d1f3d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 5b8a371c20b16861e2dfc33f4757ffab43c79361a21099d92acda671e46d1f3d
SHA3-384 hash: d9bd4b2176a15576a6232ec82cd721222ec505dfad75e922cce57b16b7f8b98ab79dd297339a1a3dedb1615bd25d131a
SHA1 hash: bb4b3259ead2dacdce80b1406e649c1e0220ec10
MD5 hash: 4355a9fda1c6e707feaff39d7c5ae8e4
humanhash: illinois-maryland-mars-nine
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'507'753 bytes
First seen:2023-11-14 13:51:39 UTC
Last seen:2023-11-14 15:59:57 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 196608:91Og6ucpn3Av7wMMUzFrbb4HacLUDQNtbkwMNFVmQ3S:3Og6ucN3Av7HMinkzsQN2zk
TLSH T1E07633867CD0C97EE7FA0036FA4A7871C072F4058E2168BF5742191A3679C15D8B7BAE
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 :
332
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
Creating a process with a hidden window
Deleting a recently created file
Replacing files
Launching a service
Forced system process termination
Sending a UDP request
Creating a file
Blocking the Windows Defender launch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Gathering data
Verdict:
Malicious
Threat level:
  10/10
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:
troj.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 submitted file
Performs DNS queries to domains with low reputation
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 dnsIp2 2 Behavior Graph ID: 1342353 Sample: file.exe Startdate: 14/11/2023 Architecture: WINDOWS Score: 100 91 www.testupdate.info 2->91 93 files.testupdate.info 2->93 95 3 other IPs or domains 2->95 107 Snort IDS alert for network traffic 2->107 109 Antivirus detection for URL or domain 2->109 111 Multi AV Scanner detection for submitted file 2->111 113 5 other signatures 2->113 11 file.exe 7 2->11         started        14 TmbMBuu.exe 1 8 2->14         started        17 powershell.exe 12 2->17         started        19 gpscript.exe 2->19         started        signatures3 process4 file5 83 C:\Users\user\AppData\Local\...\Install.exe, PE32 11->83 dropped 21 Install.exe 4 11->21         started        85 C:\Windows\Temp\...\PeimgaX.exe, PE32 14->85 dropped 125 Very long command line found 14->125 127 Uses cmd line tools excessively to alter registry or file data 14->127 129 Modifies Windows Defender protection settings 14->129 24 powershell.exe 9 14->24         started        27 gpupdate.exe 17->27         started        29 conhost.exe 17->29         started        signatures6 process7 file8 81 C:\Users\user\AppData\Local\...\Install.exe, PE32 21->81 dropped 31 Install.exe 10 21->31         started        115 Uses cmd line tools excessively to alter registry or file data 24->115 117 Modifies Windows Defender protection settings 24->117 35 cmd.exe 1 24->35         started        37 conhost.exe 24->37         started        39 reg.exe 24->39         started        43 19 other processes 24->43 41 conhost.exe 27->41         started        signatures9 process10 file11 87 C:\Users\user\AppData\Local\...\TmbMBuu.exe, PE32 31->87 dropped 89 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 31->89 dropped 97 Uses schtasks.exe or at.exe to add and modify task schedules 31->97 99 Modifies Windows Defender protection settings 31->99 101 Adds extensions / path to Windows Defender exclusion list 31->101 103 Modifies Group Policy settings 31->103 45 forfiles.exe 1 31->45         started        48 forfiles.exe 1 31->48         started        50 schtasks.exe 2 31->50         started        54 3 other processes 31->54 105 Uses cmd line tools excessively to alter registry or file data 35->105 52 reg.exe 1 1 35->52         started        signatures12 process13 signatures14 121 Modifies Windows Defender protection settings 45->121 123 Adds extensions / path to Windows Defender exclusion list 45->123 56 cmd.exe 1 45->56         started        59 conhost.exe 45->59         started        61 cmd.exe 1 48->61         started        63 conhost.exe 48->63         started        65 conhost.exe 50->65         started        67 conhost.exe 54->67         started        69 conhost.exe 54->69         started        71 conhost.exe 54->71         started        process15 signatures16 119 Uses cmd line tools excessively to alter registry or file data 56->119 73 reg.exe 1 1 56->73         started        75 reg.exe 1 56->75         started        77 reg.exe 1 1 61->77         started        79 reg.exe 1 61->79         started        process17
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-14 13:52:05 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
9 of 38 (23.68%)
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:
9ee3933383763d3b1f450c33cfaa0b409ce49e7d6bea7b546e90cf36c52bbe7d
MD5 hash:
9abf5f53d65fd3ab627d071afa6529dc
SHA1 hash:
3ff715e69dd0d6526ee4c4a52f24ebed316b8766
SH256 hash:
5b8a371c20b16861e2dfc33f4757ffab43c79361a21099d92acda671e46d1f3d
MD5 hash:
4355a9fda1c6e707feaff39d7c5ae8e4
SHA1 hash:
bb4b3259ead2dacdce80b1406e649c1e0220ec10
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