MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bfc452162c32f5f4eb41853835d7b9ac565c6c7ca109005b40822f3b055cf97. 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



SchoolBoy


Vendor detections: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: 7bfc452162c32f5f4eb41853835d7b9ac565c6c7ca109005b40822f3b055cf97
SHA3-384 hash: ba6c57ab571e80c1c469fe8f4a3b5185bb1867e492f2c53d8ec243a30829a18d8017d8d842bf0dd382317c7014d38b0e
SHA1 hash: 6af1e1d43e2f75a274ffa84137f2838c7437f0f1
MD5 hash: 40bcd63dd5bbab850dcf79a0d4e06dda
humanhash: delta-missouri-video-spaghetti
File name:7bfc452162c32f5f4eb41853835d7b9ac565c6c7ca109005b40822f3b055cf97.bin
Download: download sample
Signature SchoolBoy
File size:183'808 bytes
First seen:2020-10-17 21:29:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 33caf5c4e3bb937ac780bc37656c2475 (1 x SchoolBoy)
ssdeep 3072:ihuNxDt4ZeazdzQScN+tnUVPSJFSZV9v+uJVci1Y1LL9c/3gcqGX77:kuNxGZeazd/cN+6PSJFQV9v3GdL9c/3P
Threatray 3 similar samples on MalwareBazaar
TLSH C3043A37B2B1A036C16B4433769A1677276B6B310179585BDFC826416BB4B86FF302B3
Reporter Arkbird_SOLG
Tags:KPOT SchoolBoy

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'889
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Reading critical registry keys
Creating a window
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ping.exe to check the status of other devices and networks
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Malrep
Status:
Malicious
First seen:
2020-10-13 09:54:00 UTC
File Type:
PE (Exe)
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware
Behaviour
Modifies data under HKEY_USERS
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
7bfc452162c32f5f4eb41853835d7b9ac565c6c7ca109005b40822f3b055cf97
MD5 hash:
40bcd63dd5bbab850dcf79a0d4e06dda
SHA1 hash:
6af1e1d43e2f75a274ffa84137f2838c7437f0f1
Detections:
win_sinowal_w1
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Quarian
Author:Seth Hardy
Description:Quarian
Rule name:QuarianCode
Author:Seth Hardy
Description:Quarian code features
Rule name:Steam_stealer_bin_mem
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:Telegram_stealer_bin_mem
Author:James_inthe_box
Description:Telegram in files like avemaria
Rule name:win_sinowal_w1
Author:Seth Hardy
Description:Quarian code features

File information


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

Comments