MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40
SHA3-384 hash: 410b4963134fcc340bcd851580ec05273556f5f89d742f7fd63212371983a0d2e39a1ed43f640899429be711cb8ad74a
SHA1 hash: 4e98873daf63049a7e2933f1cf2df34d9f94a2a2
MD5 hash: c320c44b3d66ae3cefc7e3a74b3d2fec
humanhash: grey-autumn-fifteen-johnny
File name:RFQ # 200617 -2020.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'460'736 bytes
First seen:2020-07-28 15:52:08 UTC
Last seen:2020-07-28 16:54:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cYwutfN7BvQm4C/vW/R7h2Iq2oJUadK0RXgJ3ukGHN5uKyOtTiZfh:cYwutF7BoNJ9rqUozRlkGLuKyYT
Threatray 653 similar samples on MalwareBazaar
TLSH 32653A3A35C28418C83A5275C435A9C1B6E577463A67CA6DE0EB530F9E03BAF77120DB
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mexportools.mx
Sending IP: 193.142.59.124
From: Eduardo Malato' <Eduardo.Malato@mexportools.mx>
Subject: RE: RFQ # 200617 - 2020
Attachment: RFQ 200617 -2020.iso (contains "RFQ # 200617 -2020.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
MassLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33880/
Detection(s):
SecuriteInfo.com.Generic.mg.c320c44b3d66ae3c.18486.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
93 / 100
Link:
https://www.joesandbox.com/analysis/400707
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Found malware configuration
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252671 Sample: RFQ # 200617 -2020.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 93 39 mail.privateemail.com 2->39 41 g.msn.com 2->41 43 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->43 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 6 other signatures 2->57 8 RFQ # 200617 -2020.exe 7 2->8         started        11 pcalua.exe 1 1 2->11         started        13 wuapihost.exe 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\yaman.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->33 dropped 35 C:\Users\user\...\yaman.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\...\RFQ # 200617 -2020.exe.log, ASCII 8->37 dropped 15 yaman.exe 3 8->15         started        18 cmd.exe 1 8->18         started        process6 signatures7 65 Antivirus detection for dropped file 15->65 67 Multi AV Scanner detection for dropped file 15->67 20 InstallUtil.exe 15 4 15->20         started        25 reg.exe 1 1 18->25         started        27 conhost.exe 18->27         started        process8 dnsIp9 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.195.221, 49742, 80 AMAZON-AESUS United States 20->45 47 nagano-19599.herokussl.com 20->47 49 api.ipify.org 20->49 29 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 20->29 dropped 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->59 61 Tries to steal Mail credentials (via file access) 20->61 63 Creates an autostart registry key pointing to binary in C:\Windows 25->63 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 15:54:10 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=br3jfmoxqckm3grplnhyt3ir3lsmg4gmrlg76yb2djpwgkfcxvaa._file
Verdict:
malicious
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MassLogger
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MassLogger
+ 643 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware persistence spyware stealer family:masslogger
Link:
https://tria.ge/reports/200728-fvnhgttp66/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger log file
MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40

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:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

iso 5f1c77a50a9a6e79132fcdaf95e953272076e6317db2a3c688fb153d267dfa31

MassLogger

Executable exe 0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40

(this sample)

  
Dropped by
MD5 bfda58a87146663b25e6f17f41ec3af8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33880/
  
Dropped by
SHA256 5f1c77a50a9a6e79132fcdaf95e953272076e6317db2a3c688fb153d267dfa31

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