MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 100c90139737fcd9a1ea6ca19ea430e0cbda2b39a0642cb44ae80b5ea8cc9624. 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: 100c90139737fcd9a1ea6ca19ea430e0cbda2b39a0642cb44ae80b5ea8cc9624
SHA3-384 hash: 706cf1360a0a578d0a751c531dbcc2cc9472a1f086508fb0d7518cf03ba77b1426f824980a14aca5142b0cc33afd631e
SHA1 hash: 884dfcfc6be6922f8854d1a78b11bffbe0e9b844
MD5 hash: 9ca304ac578853e5ec33680ba1fd4808
humanhash: bravo-juliet-hotel-carolina
File name:file
Download: download sample
Signature Adware.Neoreklami
File size:7'623'171 bytes
First seen:2023-11-16 20:17:49 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 196608:91O6hGiBfSeUZ7HlR//B5v0lgiWIwesbqi4V0+U+pqjJjU0PudmUq:3O6hGyfZUZ7Hl1B5v03WJeswRetLPupq
TLSH T10F76338231E892F3F8D2C5704D158AE0B399E2496EA1462B73CD0B9D2BB854DE47F75C
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 :
365
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
Creating a process with a hidden window
Deleting a recently created file
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
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: 1343819 Sample: file.exe Startdate: 16/11/2023 Architecture: WINDOWS Score: 100 89 service-domain.xyz 2->89 91 api5.check-data.xyz 2->91 93 5 other IPs or domains 2->93 95 Snort IDS alert for network traffic 2->95 97 Antivirus detection for URL or domain 2->97 99 Yara detected Neoreklami 2->99 101 4 other signatures 2->101 11 file.exe 7 2->11         started        14 aSzHudQ.exe 1 8 2->14         started        17 powershell.exe 12 2->17         started        signatures3 process4 file5 81 C:\Users\user\AppData\Local\...\Install.exe, PE32 11->81 dropped 19 Install.exe 4 11->19         started        83 C:\Windows\Temp\...\eNcPRnc.exe, PE32 14->83 dropped 113 Very long command line found 14->113 115 Modifies Windows Defender protection settings 14->115 22 powershell.exe 9 14->22         started        25 gpupdate.exe 17->25         started        27 conhost.exe 17->27         started        signatures6 process7 file8 79 C:\Users\user\AppData\Local\...\Install.exe, PE32 19->79 dropped 29 Install.exe 10 19->29         started        103 Uses cmd line tools excessively to alter registry or file data 22->103 105 Modifies Windows Defender protection settings 22->105 33 cmd.exe 1 22->33         started        35 conhost.exe 22->35         started        37 reg.exe 22->37         started        41 22 other processes 22->41 39 conhost.exe 25->39         started        signatures9 process10 file11 85 C:\Users\user\AppData\Local\...\aSzHudQ.exe, PE32 29->85 dropped 87 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 29->87 dropped 117 Uses schtasks.exe or at.exe to add and modify task schedules 29->117 119 Modifies Windows Defender protection settings 29->119 121 Adds extensions / path to Windows Defender exclusion list 29->121 123 Modifies Group Policy settings 29->123 43 forfiles.exe 1 29->43         started        46 forfiles.exe 1 29->46         started        48 schtasks.exe 2 29->48         started        52 3 other processes 29->52 125 Uses cmd line tools excessively to alter registry or file data 33->125 50 reg.exe 1 1 33->50         started        signatures12 process13 signatures14 109 Modifies Windows Defender protection settings 43->109 111 Adds extensions / path to Windows Defender exclusion list 43->111 54 cmd.exe 1 43->54         started        57 conhost.exe 43->57         started        59 cmd.exe 1 46->59         started        61 conhost.exe 46->61         started        63 conhost.exe 48->63         started        65 conhost.exe 52->65         started        67 conhost.exe 52->67         started        69 conhost.exe 52->69         started        process15 signatures16 107 Uses cmd line tools excessively to alter registry or file data 54->107 71 reg.exe 1 1 54->71         started        73 reg.exe 1 54->73         started        75 reg.exe 1 1 59->75         started        77 reg.exe 1 59->77         started        process17
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-11-16 20:18:06 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 24 (58.33%)
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:
2930340255882d520b5d9cfd18278b2066f9dd41ccc29ea565fa2d072840a56d
MD5 hash:
6a1927a45ffed5b76d86342a9811185c
SHA1 hash:
9ef462ce2e7c2b1249e2e1bf9d4513067ce5fa1e
SH256 hash:
100c90139737fcd9a1ea6ca19ea430e0cbda2b39a0642cb44ae80b5ea8cc9624
MD5 hash:
9ca304ac578853e5ec33680ba1fd4808
SHA1 hash:
884dfcfc6be6922f8854d1a78b11bffbe0e9b844
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