MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf. 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 File information Comments
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SHA256 hash: cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf
SHA3-384 hash: 3a8810cfb862ecb4e8761dd99277d32dac13b7f3d0438dd557909338289ac076b0ebca469ff047b209b9a66db3831398
SHA1 hash: 91100129a8f9241a5112042cb42919400f130d96
MD5 hash: 005c26a27f4968f03c71ed5b6232dbea
humanhash: oranges-table-mississippi-hydrogen
File name:ScanDocuments2020PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:682'496 bytes
First seen:2020-11-05 08:13:27 UTC
Last seen:2020-11-09 06:59:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:S2pQ+tPC2NkFBNqM3bbgyDIKFwsbWqOieF7iDLmS2:XVlNkFBNdrIfcWqOiXvmR
Threatray 455 similar samples on MalwareBazaar
TLSH EBE4C0227FA5BDB5E52E7DF1442292D20504F2CB3F93919A9F03FD2A64B29050867FE1
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
5
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/83104/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.16409.14287.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
DNS request
Sending an HTTP GET request
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %AppData% subdirectories
Creating a window
Reading critical registry keys
Sending a custom TCP request
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
Enabling autorun
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/521043
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Binary contains a suspicious time stamp
Creates an undocumented autostart registry key
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309619 Sample: ScanDocuments2020PDF.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 60 Antivirus detection for dropped file 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 12 other signatures 2->66 8 ScanDocuments2020PDF.exe 11 2->8         started        process3 file4 46 C:\Users\user\AppData\Roaming\tmp.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 8->48 dropped 50 C:\Users\user\AppData\...\name.exe.lnk, MS 8->50 dropped 52 2 other malicious files 8->52 dropped 68 Writes to foreign memory regions 8->68 70 Allocates memory in foreign processes 8->70 72 Injects a PE file into a foreign processes 8->72 12 tmp.exe 15 2 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 3 8->18         started        21 4 other processes 8->21 signatures5 process6 dnsIp7 54 bh-58.webhostbox.net 199.79.63.24, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->54 56 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.109.69, 49731, 80 AMAZON-AESUS United States 12->56 58 2 other IPs or domains 12->58 76 Antivirus detection for dropped file 12->76 78 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->78 80 Tries to steal Mail credentials (via file access) 12->80 82 3 other signatures 12->82 23 powershell.exe 25 12->23         started        25 reg.exe 1 1 16->25         started        28 conhost.exe 16->28         started        42 C:\Users\user\AppData\Roaming\...\name.exe, PE32 18->42 dropped 30 conhost.exe 18->30         started        44 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 21->44 dropped 32 conhost.exe 21->32         started        34 conhost.exe 21->34         started        36 conhost.exe 21->36         started        38 timeout.exe 1 21->38         started        file8 signatures9 process10 signatures11 40 conhost.exe 23->40         started        74 Creates an undocumented autostart registry key 25->74 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 07:10:19 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4fcxc355rpq26l5tgjhan5ph5qri3nfi67vtejhmnvci5j4rsxq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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322cdafdbecbb10cebb964011c87d6c5fff3951cf2b71fe3cf9e92636ade84b6
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b4da98102844534fa2c6542fd79804d88e197e821764c78e31741b853aa5238e
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d6b834570825a606942ff096f5ad3df33f58082be5a68bab447bc9af4b114e95
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fc8f5c635abe5534833683141ae57470c09a246eb290895ce748d1bede405c25
MassLogger
+ 445 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201105-fsgbexe2en/
Behaviour
Delays execution with timeout.exe
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf
MD5 hash:
005c26a27f4968f03c71ed5b6232dbea
SHA1 hash:
91100129a8f9241a5112042cb42919400f130d96
Link:
https://www.unpac.me/results/8f3a0e1c-62f2-4e4c-bc6e-f2bbeb2dcc58/
SH256 hash:
a7aeccd2476996dc2560dce32e64a30ee1548b50613179cd09dbd40af78a6b24
MD5 hash:
d9a7c425884fbfedaa240a01e80c4f0f
SHA1 hash:
8088f11da7122f5b5456921433f9e4bf5e4eff14
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/8f3a0e1c-62f2-4e4c-bc6e-f2bbeb2dcc58/
Parent samples :
cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf
31a02cdd0d7e578a470fb434aafab1f8005da0dc356bce10f38c5e617b659ae3
14dba4e8c0740eb49fe53948d4158b4d8a32e2d430fbcf7d0b0f7c9033f98808
b3e57c1a313d01a7faea074079db176b05339299a907a7bda05432d567739205
c438704d1c73d3449ce3c2e5de4fa32747d5e61f20e15c4f9da0c006d656c520
SH256 hash:
0051cc3f6f36516b74a2849745612ce779dfef72a8fe2017b880545e514a8234
MD5 hash:
f36f9797e5a41b37f0969cb3e7408a52
SHA1 hash:
184ae961685284c02368f1e48727506bd5dae11b
Link:
https://www.unpac.me/results/8f3a0e1c-62f2-4e4c-bc6e-f2bbeb2dcc58/
SH256 hash:
27959f86646b6a11a38fcd2700921f74dc9c94debc5a92c3f0cee20c5b3bf8a4
MD5 hash:
b113f1b210108c4bbffdebc9f0e9f655
SHA1 hash:
ed8bf27cf36c54f23e68821943d7a9d8ab8e0749
Link:
https://www.unpac.me/results/8f3a0e1c-62f2-4e4c-bc6e-f2bbeb2dcc58/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

MassLogger

Executable exe cf0a2b8b7dec5f0d797d99927037af3f61146da547bf599127636a24753c8caf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/83104/

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