MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d238aea078ca1bb99a80ec2bf5d07acb818d72e7823ea8e767eefde95a038401. 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
BlackNET
Vendor detections: 10
| SHA256 hash: | d238aea078ca1bb99a80ec2bf5d07acb818d72e7823ea8e767eefde95a038401 |
|---|---|
| SHA3-384 hash: | 9b5bc7de44f4b57a187dfb8c5f7afe4b6a1c4c0c8f7620080eecf69c01c9cf8f3a7bc2477f816596dd91d5db71dd10cd |
| SHA1 hash: | 79063de3b0203b8f05f1b8bf336917b955527324 |
| MD5 hash: | ac561eb5036da19d58f24e9d49a09004 |
| humanhash: | white-floor-jig-failed |
| File name: | ac561eb5036da19d58f24e9d49a09004.exe |
| Download: | download sample |
| Signature | BlackNET |
| File size: | 89'600 bytes |
| First seen: | 2021-05-18 08:50:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 1536:6RvVqOeDAPGlEwNiBQAh4QiObju5FBHIIMLtfA:ovVPGlEwNiBQAeQiObjsFBHIb+ |
| Threatray | 10 similar samples on MalwareBazaar |
| TLSH | 5D93A41377E96D65E4BD9AF4B772938087B9BC1A0522D61D0CC230AD4ABA743BD017E3 |
| Reporter |  abuse_ch |
| Tags: | BlackNet exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://a0541862.xsph.ru//receive.php | https://threatfox.abuse.ch/ioc/45310/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Efhensive.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-14 14:36:00 UTC
Tags:
keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BlackNET
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
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.
Malware family:
BlackNet RAT
Verdict:
Malicious
Result
Threat name:
BlackNET
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected BlackNET
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-05-16 07:41:56 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
blacknet
Score:
10/10
Tags:
family:blacknet trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
BlackNET
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: | Blacknet |
|---|---|
| Description: | BlackNet Payload |
| Rule name: | BlackWorm |
|---|---|
| Author: | Brian Wallace @botnet_hunter |
| Description: | Identify BlackWorm |
| Rule name: | CN_disclosed_20180208_c |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | HKTL_NET_GUID_BlackNET |
|---|---|
| Author: | Arnim Rupp |
| Description: | Detects VB.NET red/black-team tools via typelibguid |
| Reference: | https://github.com/BlackHacker511/BlackNET |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | MALWARE_Win_BlackNET |
|---|---|
| Author: | ditekSHen |
| Description: | Detects BlackNET RAT |
| Rule name: | MAL_Winnti_Sample_May18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware sample from Burning Umbrella report - Generic Winnti Rule |
| Reference: | https://401trg.pw/burning-umbrella/ |
| Rule name: | pe_imphash |
|---|
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Stealer_word_in_memory |
|---|---|
| Author: | James_inthe_box |
| Description: | The actual word stealer in memory |
| Rule name: | SUSP_Modified_SystemExeFileName_in_File |
|---|---|
| Author: | Florian Roth |
| Description: | Detecst a variant of a system file name often used by attackers to cloak their activity |
| Reference: | https://www.symantec.com/blogs/threat-intelligence/seedworm-espionage-group |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0027.001] Cryptography Micro-objective::AES::Encrypt Data