MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363
SHA3-384 hash: 1da148f74d147fe27556c6bcb962d3ceaa9efa920b4afcb625ac77f0cb1bd71e20d8acac8cc2b822320a7b67a97433fe
SHA1 hash: 5ba59d0b91697ac830d7dd83f0cffd89af2adb6a
MD5 hash: a7ea06e5e4b78c2a97afab0106bddebb
humanhash: salami-ceiling-eighteen-pluto
File name:MASSBILL.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:906'752 bytes
First seen:2021-02-06 00:26:47 UTC
Last seen:2021-02-09 14:32:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:wp1sJoNEGTdpHJ6in5fH2qXnGryAfyNqEaSy95wZ9Vg:0sSLpp6EZH2qXGry4SZg
Threatray 628 similar samples on MalwareBazaar
TLSH 8A15F1BCA6DD1D22E1AC5FBC48A6732503F5A6525413E37E1DA084EB4E33FC44942BA7
Reporter GovCERT_CH
Tags:MassLogger

Intelligence

File Origin
# of uploads :
7
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MASSBILL.exe
Verdict:
No threats detected
Analysis date:
2021-02-06 00:27:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b493fdb2-cf59-4642-b15f-f88356541f46

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/115906/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.6999.22632.5255.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Creating a file in the %temp% subdirectories
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
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/600972
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 04:21:01 UTC
AV detection:
33 of 47 (70.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2jo4woywkkobqe3ii63ojmoogx3d6kosq4rkqaypwr7kv4i7knrq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1010802153f7262f1cb83c571e7dd9eec0d525f5a6846e5fb78c0ac21fac89d6
MassLogger
29285c1e0f58e12ace807098090275535b37d6faf0379372b4ae41299cca5c3f
MassLogger
319317193be5eadd1f42f45e397d611c995452308320606c5f6e7d97869b6c8f
MassLogger
795280757b94b198f3622a87576e76100e869f3ff8160c2f72bafba588166c6d
MassLogger
7e57934a39e0526d67e204b9fa5a6a65b901b05ee1faa540f2a6e5ca348f136f
MassLogger
8c1ba03136ab60409d577c7b61fc4bf858468377ff92f438dad8dff45262b6ec
MassLogger
9f86ac872435f541b72bd8da2719337f399b02ef8740a04f071b9044ae6ed397
MassLogger
bc8df1915282e2e0682f70a348b91aab8282560beee4fd5f7b972cbc8240993a
MassLogger
c10cdab79d291209250dbe8cab991843dedfdf4291d742e7764ecdcaa910b9e5
MassLogger
d2d343134c1059de966b18db5befa9de624af3a60a16c74435c359a6b633d7bd
MassLogger
+ 618 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger ransomware spyware stealer
Link:
https://tria.ge/reports/210206-7yh6s2my1x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Beds Protector Packer
MassLogger
MassLogger Main Payload
MassLogger log file
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/1d16acb5-4e46-4fbd-9a8d-fc94fa022d77/
SH256 hash:
9f86ac872435f541b72bd8da2719337f399b02ef8740a04f071b9044ae6ed397
MD5 hash:
daec8d2a480411ff1f82b24af4ac7cdf
SHA1 hash:
c61b695772de84df8508b9a740437db3a6da417d
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/1d16acb5-4e46-4fbd-9a8d-fc94fa022d77/
Parent samples :
9f86ac872435f541b72bd8da2719337f399b02ef8740a04f071b9044ae6ed397
3c7886c5214abc2bbc597d2afe1f28e443c75cfa7e368bec941a1b78bcf7eb12
d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363
fa5ce219ed13ed1b4a2d4547d79c953d4a12e034078c9e8d4ff6063f9f71311d
c102f6eeb3bc1106d4201200ca09a72f9b044448d1087db2568078489962563a
48ee5dff920a4d725d5356561c31b5dc86637ff17bb653f0d39cc3485ce905e9
SH256 hash:
2bd332d9387f9d028bf60c41a785c4ea937c3f9b461468b7c99a07b2df8c2703
MD5 hash:
6b0796cc179ed44fc3dc565fe30c764f
SHA1 hash:
9d5961929579d38494d36b99d5d85026eb5d34f2
Link:
https://www.unpac.me/results/1d16acb5-4e46-4fbd-9a8d-fc94fa022d77/
SH256 hash:
d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363
MD5 hash:
a7ea06e5e4b78c2a97afab0106bddebb
SHA1 hash:
5ba59d0b91697ac830d7dd83f0cffd89af2adb6a
Link:
https://www.unpac.me/results/1d16acb5-4e46-4fbd-9a8d-fc94fa022d77/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363

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:INDICATOR_EXE_Packed_ConfuserExMod_BedsProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod Beds Protector
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MassLogger
Create hunting rule
Author:kevoreilly
Description:MassLogger
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.

Malspam

MassLogger

zip 0c0d8b06a7d7137825e38f43e21404cda81293a4b337690e45114bcfe5847b41

MassLogger

Executable exe d25dcb3b16529c18136847b6e4b1ce35f63f29d28722a8030fb47eaaf11f5363

(this sample)

  
Dropped by
MD5 d2ea5832796382aa913db848378cb487
  
Dropped by
SHA256 0c0d8b06a7d7137825e38f43e21404cda81293a4b337690e45114bcfe5847b41
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115906/

Comments