MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678. 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: 4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
SHA3-384 hash: 1341d89973fb8de832bff59270befc55d5db6dbd2281c7a0cabfbed866a78cabf0e1c4b08946d064c32877e2ec0f454d
SHA1 hash: f8bd5fb8cae533a3abe977b8febe561b7302f19c
MD5 hash: 91517fab796b1b5de1dd6a92da6becd5
humanhash: asparagus-nebraska-april-robert
File name:WAH.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:860'160 bytes
First seen:2020-09-25 16:23:08 UTC
Last seen:2020-09-25 16:38:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ZeTBPJWmK0FJFAB2+8q7S1iJ2QsWreSuNc8R+Teg6Crv6IxIvhHHFy:ZelLGZ8twIQLreSK1R+Z68yUY98
Threatray 605 similar samples on MalwareBazaar
TLSH CF05F16062E40F5AE1BD5B7894790D0447F3F203C726EF9DFEE0A0B81B96B508667762
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.437.7647.14449.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475365
Signature
Found malware configuration
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-09-25 10:03:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvvzqbn6m2do5cqbveps5c4utmfo5pl5zvhpkvonqtqoxcwmyz4a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
08ad65b9f5484e0ed939cc2de4f83749fc0eb3382c5a1bf7ddf74f29144d122d
MassLogger
4525a67f95e89fc3f2578b8f5896ab245bb39b6e23073b4160a80ada9c8308bb
MassLogger
6a6c8408705966321edec330105b7ac9aecaaddbd1f4cef07045bc7b9c1dea47
MassLogger
6beff4ded7f127b4525fbd2c5ae4894b5f525b8c143814108830e26b9c9a9ec3
MassLogger
795e0e0d533bc48079ef7217a17882890d8a4f5de61d55ef745cd0c29e49f99e
MassLogger
7d46a9b93fbb4dd08714ff19e94f51dcf4ad1961fee1c5750d069c9b6e4f78a2
MassLogger
939b73fab4762943e2ba55ec3295845a566ec7d0fc11c20bde0860343713f12c
MassLogger
d3ed0d9761ed71f34bc776ea9f593ef1d79fc84ef2741d39c7fb101d66a194b4
MassLogger
f82a52effa51884de08379c6dc8469747a136b89197740c03f926b035b9a1679
MassLogger
f8a621b4900824e4ae9ce13884bfc7e10c9867d0a578c71fe59680fe9523d56c
MassLogger
+ 595 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Link:
https://tria.ge/reports/200925-kw7skwb6qa/
Behaviour
Creates scheduled task(s)
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
Reads user/profile data of web browsers
MassLogger
MassLogger log file
Unpacked files
SH256 hash:
4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
MD5 hash:
91517fab796b1b5de1dd6a92da6becd5
SHA1 hash:
f8bd5fb8cae533a3abe977b8febe561b7302f19c
Link:
https://www.unpac.me/results/1f235593-f2a1-4a13-9725-a5a5152540d9/
SH256 hash:
243fc264f777e801fcb6a90c2543855877603e104e2e6e807faa097c0b918fed
MD5 hash:
6ef2a650186527f78aab0fab01ea5323
SHA1 hash:
802044443f5a9b26be068464edef210dadb1465d
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/1f235593-f2a1-4a13-9725-a5a5152540d9/
Parent samples :
4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678
7a4a073fb5cee4010e0c4a19d8dd6cdd65850b64c681410d5fb17751710cccaa
96cc9904f92eba3b9c8e2f90b7096e5174df7eed983bf1f6e43e855dea170003
ba18dbaa37dfcb07d8dc014a9801196e419dd2f6936a4fcd1826d4c55a938bea
546274026ba4ffdc8c226e6fbbb52e9afd9a3b79544bc08aeb372f505b7e98f9
SH256 hash:
c451a05842eed09e4e3b5880a39b3086d54d61c04041b33c96e5eb3f1e14c977
MD5 hash:
6491f8d3163f3531f25e1afa2297cf42
SHA1 hash:
a0109429634df726dcf0f2ae31b0d09a084541f7
Link:
https://www.unpac.me/results/1f235593-f2a1-4a13-9725-a5a5152540d9/
SH256 hash:
e7bc2768d99e45c374827686c7a4c31e45f864ba11d9b0f85f46551030aa9bd9
MD5 hash:
ee9fe2203601b5a8e63d88fc0c36ae2c
SHA1 hash:
a7f13f2fcd8f331e18d553aa932c44516f4c01a5
Link:
https://www.unpac.me/results/1f235593-f2a1-4a13-9725-a5a5152540d9/
SH256 hash:
785261875049471f6432827571071af39fdb06ec0a223224c12792201a9f66e5
MD5 hash:
e41b095949e16c551511c80acfc18ac2
SHA1 hash:
c1c9299481d8604297151f48ac8c790c9e920504
Link:
https://www.unpac.me/results/1f235593-f2a1-4a13-9725-a5a5152540d9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d6b9805be6686ee8a01a91f2e8b949b0aeebd7dcd4ef555cd84e0eb8accc678

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/65903/
  
URLhaus
https://urlhaus.abuse.ch/url/410920/

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