MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf. 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: 11
| SHA256 hash: | 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf |
|---|---|
| SHA3-384 hash: | 0cf9693762d9c2e62967c34f3b86a9b6de5076a82a2e8918c3b658f0f847349f855dd8f905134f35bf10f39db555d776 |
| SHA1 hash: | 9d0c6528565303e5b10a964a2783c77f25b9695b |
| MD5 hash: | f6282c938e0662cf851feee0146d79a4 |
| humanhash: | network-batman-vermont-double |
| File name: | 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf.exe |
| Download: | download sample |
| Signature | Babuk |
| File size: | 80'896 bytes |
| First seen: | 2021-03-30 21:56:10 UTC |
| Last seen: | 2023-04-25 17:41:44 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 202fa14f574c71c2f95878e40a79322d (35 x Babuk) |
| ssdeep | 1536:Iiyy6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:IiyshZ5YesrQLOJgY8Zp8LHD4XWaNH7Q |
| Threatray | 7 similar samples on MalwareBazaar |
| TLSH | 6C83E8115D45D2B6C5D1623191A7F1AAC13A197003B5B38B63C027AEFB10AE8F6BCF67 |
| Reporter |  FirehaK |
| Tags: | Babuk babyk Ransomware |
Intelligence
File Origin
# of uploads :
2
# of downloads :
422
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 22:03:56 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
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.
Gathering data
Result
Threat name:
Babuk
Detection:
malicious
Classification:
rans.evad
Score:
92 / 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)
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Yara detected Babuk Ransomware
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Ransomware.Babuk
Status:
Malicious
First seen:
2021-03-30 17:52:42 UTC
AV detection:
22 of 29 (75.86%)
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:
2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf
MD5 hash:
f6282c938e0662cf851feee0146d79a4
SHA1 hash:
9d0c6528565303e5b10a964a2783c77f25b9695b
Verdict:
Malicious
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: | 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.
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