MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fa22938832ad3770336afdb1b3fe2f848582fe3d282f08727a7174b42c8b79f. 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



Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: 0fa22938832ad3770336afdb1b3fe2f848582fe3d282f08727a7174b42c8b79f
SHA3-384 hash: 3eb5ab97da18cbdab43f477da2cbab521f68212a0bc579995f829c32395317c9cf8c31ea8cec1e97ed475aeb369fbb67
SHA1 hash: fed5e55c386accf9a62a9a31311cce505d312099
MD5 hash: ee7331757219f7a223712025f3fc70be
humanhash: pluto-magazine-xray-low
File name:csrss.exe
Download: download sample
File size:4'527'104 bytes
First seen:2021-11-29 04:55:16 UTC
Last seen:2021-11-29 06:33:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 812deb7f7900a9634d9b5efcb5c75509 (1 x DanaBot, 1 x Smoke Loader, 1 x RedLineStealer)
ssdeep 98304:O7bSKidcNazelAVhpWi0Wyh1ME1WCiJuz3boXc67i3R:O7ObWJlAVkWyhx1WCSM3boM8
Threatray 234 similar samples on MalwareBazaar
TLSH T14C263311A7B0C03AF5B709B44CA5566C6A2A3FB19B74D1CF9AE402D456396C8FC3236B
File icon (PE):PE icon
dhash icon b2dacaaecee6baa6 (23 x RedLineStealer, 22 x Stop, 13 x Smoke Loader)
Reporter Anonymous
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
csrss.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-29 04:56:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching a service
Running batch commands
Creating a process with a hidden window
Launching the process to change the firewall settings
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Creating a file in the system32 directory
DNS request
Creating a file
Launching a process
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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:
Metasploit
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an autostart registry key pointing to binary in C:\Windows
Creates files in the system32 config directory
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
May modify the system service descriptor table (often done to hook functions)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sigma detected: Bypass UAC via Fodhelper.exe
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses shutdown.exe to shutdown or reboot the system
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 530163 Sample: csrss.exe Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 106 Antivirus detection for URL or domain 2->106 108 Antivirus detection for dropped file 2->108 110 Multi AV Scanner detection for dropped file 2->110 112 10 other signatures 2->112 9 csrss.exe 16 2->9         started        12 csrss.exe 2 2->12         started        14 svchost.exe 24 2->14         started        16 4 other processes 2->16 process3 signatures4 128 Detected unpacking (changes PE section rights) 9->128 130 Detected unpacking (overwrites its own PE header) 9->130 132 Modifies the windows firewall 9->132 134 Drops PE files with benign system names 9->134 18 csrss.exe 10 2 9->18         started        22 WerFault.exe 9->22         started        24 cmd.exe 12->24         started        26 WerFault.exe 12->26         started        28 WerFault.exe 14->28         started        30 WerFault.exe 14->30         started        34 2 other processes 14->34 32 cmd.exe 16->32         started        36 2 other processes 16->36 process5 file6 88 C:\Windows\rss\csrss.exe, PE32 18->88 dropped 114 Creates an autostart registry key pointing to binary in C:\Windows 18->114 38 csrss.exe 3 8 18->38         started        43 cmd.exe 1 18->43         started        45 WerFault.exe 18->45         started        47 fodhelper.exe 24->47         started        49 conhost.exe 24->49         started        51 fodhelper.exe 24->51         started        53 fodhelper.exe 24->53         started        55 conhost.exe 32->55         started        57 2 other processes 32->57 signatures7 process8 dnsIp9 98 104.21.34.203, 443, 49712 CLOUDFLARENETUS United States 38->98 100 104.21.79.9, 443, 49711, 49717 CLOUDFLARENETUS United States 38->100 102 7 other IPs or domains 38->102 90 C:\Windows\windefender.exe, PE32 38->90 dropped 92 C:\Users\user\AppData\Local\...\injector.exe, PE32+ 38->92 dropped 94 C:\Users\...94tQuerySystemInformationHook.dll, PE32+ 38->94 dropped 96 5 other files (none is malicious) 38->96 dropped 116 Multi AV Scanner detection for dropped file 38->116 118 Detected unpacking (changes PE section rights) 38->118 120 Detected unpacking (overwrites its own PE header) 38->120 126 3 other signatures 38->126 59 schtasks.exe 1 38->59         started        61 schtasks.exe 1 38->61         started        63 mountvol.exe 1 38->63         started        72 4 other processes 38->72 122 Uses netsh to modify the Windows network and firewall settings 43->122 65 netsh.exe 3 43->65         started        68 conhost.exe 43->68         started        124 Drops executables to the windows directory (C:\Windows) and starts them 47->124 70 csrss.exe 47->70         started        file10 signatures11 process12 signatures13 74 conhost.exe 59->74         started        76 conhost.exe 61->76         started        78 conhost.exe 63->78         started        104 Creates files in the system32 config directory 65->104 80 conhost.exe 72->80         started        82 conhost.exe 72->82         started        84 conhost.exe 72->84         started        86 conhost.exe 72->86         started        process14
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-11-29 04:56:17 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
metasploit
Score:
  10/10
Tags:
family:metasploit backdoor trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Drops file in Windows directory
MetaSploit
Unpacked files
SH256 hash:
1bbf1271ce5c9dc20b595fdf1f516166f65b443599fc835607008666296983ff
MD5 hash:
49fc2ee06ab4c4b533cf9ce484c02adf
SHA1 hash:
b90f22613578232b8bf377377ea5c4d84b37b0a7
Detections:
win_zloader_g1
Parent samples :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 hash:
0fa22938832ad3770336afdb1b3fe2f848582fe3d282f08727a7174b42c8b79f
MD5 hash:
ee7331757219f7a223712025f3fc70be
SHA1 hash:
fed5e55c386accf9a62a9a31311cce505d312099
Malware family:
Glupteba
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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