MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18e299d4331ccff805275b21f33be0a3bd3d1d9ce72a79ba78d2f32dd657bfbb. 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
Babuk
Vendor detections: 12
| SHA256 hash: | 18e299d4331ccff805275b21f33be0a3bd3d1d9ce72a79ba78d2f32dd657bfbb |
|---|---|
| SHA3-384 hash: | 56bb9be63e3586339ae6e83b8666a086b39ab82cdd4459b06bb754768b0de2fe18e11f5b0077425d3e3b527b86d901fd |
| SHA1 hash: | 5d316698dfe20b8fcdc881dbf68632b13af11d0f |
| MD5 hash: | 16c7212928b23a170cebb12935a933fa |
| humanhash: | pip-stairway-avocado-washington |
| File name: | 18e299d4331ccff805275b21f33be0a3bd3d1d9ce72a79ba78d2f32dd657bfbb |
| Download: | download sample |
| Signature | Babuk |
| File size: | 80'896 bytes |
| First seen: | 2021-04-13 18:30:28 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 202fa14f574c71c2f95878e40a79322d (35 x Babuk) |
| ssdeep | 1536:jpfS6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:jpfMhZ5YesrQLOJgY8Zp8LHD4XWaNH7Q |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | F483E8115D45D2B6C5D1723151A7F1AAC13A197003B5A38B63C027AEFB10AE8F6BCF67 |
| Reporter |  FirehaK |
| Tags: | Babuk babyk Ransomware |
Intelligence
File Origin
# of uploads :
1
# of downloads :
495
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
18e299d4331ccff805275b21f33be0a3bd3d1d9ce72a79ba78d2f32dd657bfbb
Verdict:
Malicious activity
Analysis date:
2021-04-13 19:01:18 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Babuk
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Running batch commands
Creating a process with a hidden window
Creating a file
DNS request
Changing a file
Sending a UDP request
Launching a service
Launching a process
Creating a file in the mass storage device
Deleting volume shadow copies
Forced shutdown of a browser
Encrypting user's files
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:
Babuk ransomware
Verdict:
Malicious
Result
Threat name:
Babuk
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Found Tor onion address
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.BabukCrypt
Status:
Malicious
First seen:
2021-04-13 00:50:24 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
Result
Malware family:
babuk
Score:
10/10
Tags:
family:babuk ransomware
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Enumerates connected drives
Modifies extensions of user files
Deletes shadow copies
Babuk Locker
Unpacked files
SH256 hash:
18e299d4331ccff805275b21f33be0a3bd3d1d9ce72a79ba78d2f32dd657bfbb
MD5 hash:
16c7212928b23a170cebb12935a933fa
SHA1 hash:
5d316698dfe20b8fcdc881dbf68632b13af11d0f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
Score:
1.00
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: | Babuk |
|---|---|
| Author: | @_FirehaK <yara@firehak.com> |
| Description: | Babuk / Babyk ransomware |
| Reference: | http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/ |
| Rule name: | Destructive_Ransomware_Gen1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects destructive malware |
| Reference: | http://blog.talosintelligence.com/2018/02/olympic-destroyer.html |
| Rule name: | INDICATOR_SUSPICIOUS_GENRansomware |
|---|---|
| Author: | ditekSHen |
| Description: | detects command variations typically used by ransomware |
| Rule name: | INDICATOR_SUSPICOUS_EXE_References_VEEAM |
|---|---|
| Description: | Detects executables containing many references to VEEAM. Observed in ransomware |
| Rule name: | MALWARE_Win_Babuk |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Babuk ransomware |
| Rule name: | Ransom_Babuk |
|---|---|
| Author: | TS @ McAfee ATR |
| Description: | Rule to detect Babuk Locker |
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) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [B0012.001] Anti-Static Analysis::Argument Obfuscation
2) [C0027.006] Cryptography Micro-objective::HC-128::Encrypt Data
3) [C0021.003] Cryptography Micro-objective::Use API::Generate Pseudo-random Sequence
5) [C0051] File System Micro-objective::Read File
6) [C0050] File System Micro-objective::Set File Attributes
7) [C0052] File System Micro-objective::Writes File
8) [F0014.001] Impact::Delete Shadow Drive
9) [C0043] Process Micro-objective::Check Mutex
10) [C0042] Process Micro-objective::Create Mutex
11) [C0017] Process Micro-objective::Create Process
12) [C0038] Process Micro-objective::Create Thread
13) [C0018] Process Micro-objective::Terminate Process