MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bd96a0d70ece4a045c040b8d98ae78979da156e27138aa4a8b718cfff978cbf. 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: 5bd96a0d70ece4a045c040b8d98ae78979da156e27138aa4a8b718cfff978cbf
SHA3-384 hash: a13b09ba14b5657098826da332c9e0159f4aed99da450cfa56e0b2a24d521789cde4d25b09f974caeb424f85747675c9
SHA1 hash: 1d7de541391fb805c6b4e3899d547e93845c273d
MD5 hash: 75fa1950d036dddf87bddfa1e0f19387
humanhash: eleven-equal-seven-moon
File name:75fa1950d036dddf87bddfa1e0f19387.exe
Download: download sample
Signature MassLogger
File size:940'544 bytes
First seen:2020-07-31 08:30:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e374e6a01735b73e577e6a14415ed0c
ssdeep 24576:1iQOD2qr1K2rNsU4nInihtJnvEoGaCB2e6dw:U9x4nInofndGJKdw
TLSH 1C15D033E2E14437D133167F9C1B5769A83ABE1C2A3498462BF92D0C5F39771386A297
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 :
31
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading Telegram data
Reading critical registry keys
Moving a recently created file
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255238 Sample: RCsWr5Ii2k.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 40 g.msn.com 2->40 42 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->42 56 Found malware configuration 2->56 58 Yara detected MassLogger RAT 2->58 60 Yara detected AntiVM_3 2->60 62 4 other signatures 2->62 9 RCsWr5Ii2k.exe 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 72 Queues an APC in another process (thread injection) 9->72 74 Contains functionality to detect sleep reduction / modifications 9->74 14 notepad.exe 5 9->14         started        18 hdjfksfj.exe 12->18         started        process6 file7 34 C:\Users\user\AppData\...\hdjfksfj.exe, PE32 14->34 dropped 36 C:\Users\...\hdjfksfj.exe:Zone.Identifier, ASCII 14->36 dropped 38 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 14->38 dropped 78 Creates files in alternative data streams (ADS) 14->78 80 Drops VBS files to the startup folder 14->80 20 hdjfksfj.exe 14->20         started        82 Maps a DLL or memory area into another process 18->82 23 hdjfksfj.exe 6 18->23         started        26 hdjfksfj.exe 18->26         started        signatures8 process9 dnsIp10 64 Detected unpacking (changes PE section rights) 20->64 66 Detected unpacking (creates a PE file in dynamic memory) 20->66 68 Detected unpacking (overwrites its own PE header) 20->68 70 4 other signatures 20->70 28 hdjfksfj.exe 15 6 20->28         started        32 hdjfksfj.exe 20->32         started        44 54.225.66.103, 49730, 80 AMAZON-AESUS United States 23->44 46 nagano-19599.herokussl.com 23->46 48 2 other IPs or domains 23->48 signatures11 process12 dnsIp13 50 elb097307-934924932.us-east-1.elb.amazonaws.com 54.197.225.198, 49727, 80 AMAZON-AESUS United States 28->50 52 nagano-19599.herokussl.com 28->52 54 api.ipify.org 28->54 76 Tries to steal Mail credentials (via file access) 28->76 signatures14
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-30 22:29:30 UTC
AV detection:
23 of 31 (74.19%)
Threat level
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Behaviour
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Reads user/profile data of web browsers
Loads dropped DLL
UPX packed file
Executes dropped EXE
MassLogger log file
MassLogger
Threat name:
Tinba
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 5bd96a0d70ece4a045c040b8d98ae78979da156e27138aa4a8b718cfff978cbf

(this sample)

  
Delivery method
Distributed via web download

Comments