MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62. 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
| SHA256 hash: | 37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62 |
|---|---|
| SHA3-384 hash: | 7e1ba5ae51422dbf9d8f01dfee4cae1b70b106165a80ae4aa9ca1af7f5dfb209375fc00f7081cf2e0a3c69feac8b0d3c |
| SHA1 hash: | c49e51e38c8e3988e9782dd717e1c5c45315c5f9 |
| MD5 hash: | a2465206c40be3fed6b64591b60eba67 |
| humanhash: | equal-zulu-friend-saturn |
| File name: | Halkbank,doc.exe |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'219'584 bytes |
| First seen: | 2020-11-05 08:27:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:05Gdjdzxix9ykzydvvZ83e8ewG5yZoVbyTPPB77Ee9hIHvNeK+bsf:Wi0yqydvhUei1ZfPJ7Ee9hIHklbw |
| Threatray | 457 similar samples on MalwareBazaar |
| TLSH | 4B45D0FA6242D66AC80F043FF84B246193D9DB6E99FC904647C5F11D127C6CEA6AC4CB |
| Reporter |  abuse_ch |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Reading critical registry keys
Setting a global event handler for the keyboard
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
Adds a directory exclusion to Windows Defender
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)
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)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2020-11-05 07:01:02 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
masslogger
Similar samples:
+ 447 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
6f483b6b23f751e184dc9ed4b6e942c0c1a5bb4540cd263c2b76745120b140c2
MD5 hash:
0a6667f22fb48f5c68e4d02979bb9038
SHA1 hash:
23ba571b1590e6ad1b81c43973a26f4e2fea225b
SH256 hash:
d2e8fdda571fab2369b8ef03a31599cca12769b671f4b6fdd834be409c69e325
MD5 hash:
7812283b6755d64387b920d1647e23a7
SHA1 hash:
5de53822f2b69758fdd44cd4acff130fd3e1499d
Detections:
win_masslogger_w0
Parent samples :
d18ed06b9419076750525d6324bce7702186263efaa0ab0d3647510268883f37
a1cc51486690053098454d2e313c4db5071afb8ae600d8caa87a4c5769ee51c2
37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62
ca18e92f0eb610f92ce008b708acdca5969f308e319f5f128099514948dbd808
60433e0a1c1fb088c5be37ca9760486fd17bb99b848817880b5601e77150e1c8
a1cc51486690053098454d2e313c4db5071afb8ae600d8caa87a4c5769ee51c2
37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62
ca18e92f0eb610f92ce008b708acdca5969f308e319f5f128099514948dbd808
60433e0a1c1fb088c5be37ca9760486fd17bb99b848817880b5601e77150e1c8
SH256 hash:
37899ec2bb2af9ca237b54707d5e7fdff2618bbe743144f71a3338de8bca2c62
MD5 hash:
a2465206c40be3fed6b64591b60eba67
SHA1 hash:
c49e51e38c8e3988e9782dd717e1c5c45315c5f9
Please note that we are no longer able to provide a coverage score for Virus Total.
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.
Malspam
Delivery method
Distributed via e-mail attachment
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