MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5. 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
| SHA256 hash: | a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5 |
|---|---|
| SHA3-384 hash: | 34508b97fb66ab466fbcf4512af12bcbb8ccaac2177a273f5b537f5f271d7a1c8e10089a3940ad551d0d188263e989ec |
| SHA1 hash: | b64e737b8e484b65f46daeb8ab07b516a9d968fe |
| MD5 hash: | 858f1803292cd4716f1558392d70fe65 |
| humanhash: | pluto-ohio-cat-stairway |
| File name: | a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5 |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 928'768 bytes |
| First seen: | 2020-11-03 09:13:06 UTC |
| Last seen: | 2020-11-03 11:58:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:ziD+RD5gAb1iB+BMavNbq2ltY4dmGh2DvRBsclSIwtURLDBC9IO:ziDyGAbE+KaxqyYmmtD5SztUR |
| Threatray | 440 similar samples on MalwareBazaar |
| TLSH | 4415012527A85F9AE07EA3B8A235000087F5F553F335E68E3E7960CD41E6BC097A5F52 |
| Reporter |  JAMESWT_WT |
| Tags: | MassLogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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 harvest and steal browser information (history, passwords, etc)
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:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-11-03 08:20:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 29 (75.86%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 430 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger spyware stealer
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 Main Payload
Unpacked files
SH256 hash:
a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5
MD5 hash:
858f1803292cd4716f1558392d70fe65
SHA1 hash:
b64e737b8e484b65f46daeb8ab07b516a9d968fe
SH256 hash:
d8b897761622c7d8a06b141638b26e8b3e74d3f4680aaa2c76360b3dd4595cf0
MD5 hash:
46a5ab63a15637ff4c032c4d24e5e1fc
SHA1 hash:
805d8d11a67d12dfcb6f1fc5c01b75a2614bdf02
SH256 hash:
e4f8df6fd4844aaf387785628030539f023f0dd4fba3eb8f197f8cbcaae8da6b
MD5 hash:
5b8fa9607f1f1f81c21541a7dd47a8da
SHA1 hash:
c389818a15c9104f7b51ea131db962d8e4e60c08
Detections:
win_masslogger_w0
SH256 hash:
1a5ab5b9e583bb0daacd589f73bda915f7fceee49eba3394331260f9ed3b9ccf
MD5 hash:
eb172a29d0dde341db45f8d568a9685f
SHA1 hash:
da586bfaec7b6a1d0119e9010cfdb37876041782
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
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: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| 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
Delivery method
Distributed via web download
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