MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d604878a1a81c85be92fc830d195e4503cf17c9e8cd3e6778e2f4c3cf14c83c. 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: 3d604878a1a81c85be92fc830d195e4503cf17c9e8cd3e6778e2f4c3cf14c83c
SHA3-384 hash: 9f0d65029f17497d82891c6a755c2b0d9416f9eb091486523da3901382798e857137384df1414b3074dc7b451dde2fad
SHA1 hash: 1e42e1edbd66ef51e7705943b12cb5c8697f267d
MD5 hash: 8d3726d6d462489bbec8033b0efa5d71
humanhash: yellow-helium-jupiter-mango
File name:8d3726d6d462489bbec8033b0efa5d71.exe
Download: download sample
Signature MassLogger
File size:952'320 bytes
First seen:2020-07-31 12:04:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e94294aa486edca6180033051104c39
ssdeep 24576:YNZopgQgY2O9IcERy2T9zNIgUs6IWg1JW37F5/aJ:YNvcVAy2hutITQZdi
TLSH DC15C0F2B2D1543FC26F16F99C0B9764A839FA101A2924862FF50C4F8FF968135ED196
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 :
33
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 dnsIp2 2 Behavior Graph ID: 255353 Sample: e58frA0KBu.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 e58frA0KBu.exe 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 72 Writes to foreign memory regions 9->72 74 Allocates memory in foreign processes 9->74 76 Queues an APC in another process (thread injection) 9->76 78 Contains functionality to detect sleep reduction / modifications 9->78 14 notepad.exe 5 9->14         started        18 ghjkzxijdk.exe 12->18         started        process6 file7 34 C:\Users\user\AppData\...\ghjkzxijdk.exe, PE32 14->34 dropped 36 C:\Users\...\ghjkzxijdk.exe:Zone.Identifier, ASCII 14->36 dropped 38 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 14->38 dropped 82 Creates files in alternative data streams (ADS) 14->82 84 Drops VBS files to the startup folder 14->84 20 ghjkzxijdk.exe 14->20         started        86 Maps a DLL or memory area into another process 18->86 23 ghjkzxijdk.exe 6 18->23         started        26 ghjkzxijdk.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 ghjkzxijdk.exe 15 6 20->28         started        32 ghjkzxijdk.exe 20->32         started        44 23.21.126.66, 49747, 80 AMAZON-AESUS United States 23->44 46 192.168.2.1 unknown unknown 23->46 48 3 other IPs or domains 23->48 signatures11 process12 dnsIp13 50 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.203.47, 49744, 80 AMAZON-AESUS United States 28->50 52 nagano-19599.herokussl.com 28->52 54 api.ipify.org 28->54 80 Tries to steal Mail credentials (via file access) 28->80 signatures14
Threat name:
Win32.Hacktool.CeeInject
Status:
Malicious
First seen:
2020-07-31 12:06:08 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  1/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
NTFS ADS
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Drops startup file
Loads dropped DLL
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 3d604878a1a81c85be92fc830d195e4503cf17c9e8cd3e6778e2f4c3cf14c83c

(this sample)

  
Delivery method
Distributed via web download

Comments