MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311380e373e370131734bd5c65fe3b8a8b2862fc7049692e92ac12703487edc7. 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


Intelligence File information Yara 2 Comments

SHA256 hash: 311380e373e370131734bd5c65fe3b8a8b2862fc7049692e92ac12703487edc7
SHA3-384 hash: 1216dfc3ec3936ecc27719be94a2feeb97f960cf46759ecd00148bd762d9c11d76f7234781613a8ac7d26afbc4d2a731
SHA1 hash: be776462df8db7324fd77a134935e6ed17ba6d0a
MD5 hash: 2885d39472461249eea2d56856ea913a
humanhash: potato-uranus-fifteen-sierra
File name:2885d39472461249eea2d56856ea913a.exe
Download: download sample
Signature MassLogger
File size:950'784 bytes
First seen:2020-07-31 12:00:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e94294aa486edca6180033051104c39
ssdeep 24576:ANZopgQgY2O9IcERso+ha6U/p+WSGqwCXa:ANvcVAsF4JZaa
TLSH D315C0F2B6D15733C26F16F98C0B9768A83AFE101A2914462BF51C4F8FF978135E6096
Reporter @abuse_ch
Tags:exe MassLogger


Twitter
@abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
30
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255350 Sample: JMybb6Z2UN.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Yara detected MassLogger RAT 2->53 55 Yara detected AntiVM_3 2->55 57 4 other signatures 2->57 8 JMybb6Z2UN.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Queues an APC in another process (thread injection) 8->71 73 Contains functionality to detect sleep reduction / modifications 8->73 13 notepad.exe 5 8->13         started        17 ghjkzxijdk.exe 11->17         started        process5 file6 33 C:\Users\user\AppData\...\ghjkzxijdk.exe, PE32 13->33 dropped 35 C:\Users\...\ghjkzxijdk.exe:Zone.Identifier, ASCII 13->35 dropped 37 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 13->37 dropped 77 Creates files in alternative data streams (ADS) 13->77 79 Drops VBS files to the startup folder 13->79 19 ghjkzxijdk.exe 13->19         started        81 Maps a DLL or memory area into another process 17->81 22 ghjkzxijdk.exe 6 17->22         started        25 ghjkzxijdk.exe 17->25         started        signatures7 process8 dnsIp9 59 Detected unpacking (changes PE section rights) 19->59 61 Detected unpacking (creates a PE file in dynamic memory) 19->61 63 Detected unpacking (overwrites its own PE header) 19->63 65 4 other signatures 19->65 27 ghjkzxijdk.exe 15 6 19->27         started        31 ghjkzxijdk.exe 19->31         started        39 54.221.234.156, 49736, 80 AMAZON-AESUS United States 22->39 41 nagano-19599.herokussl.com 22->41 43 2 other IPs or domains 22->43 signatures10 process11 dnsIp12 45 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.126.66, 49729, 80 AMAZON-AESUS United States 27->45 47 nagano-19599.herokussl.com 27->47 49 api.ipify.org 27->49 75 Tries to steal Mail credentials (via file access) 27->75 signatures13
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-31 12:02:09 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
MassLogger log file
MassLogger
Threat name:
Malicious File
Score:
1.00

Yara Signatures


Rule name:masslogger_gcch
Author:govcert_ch
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Web download

MassLogger

Executable exe 311380e373e370131734bd5c65fe3b8a8b2862fc7049692e92ac12703487edc7

(this sample)

  
Delivery method
Distributed via web download

Comments