MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e812d2f7858c5971f4f6f56e7449eeaf682863dde440dd903ae93ddaaafa2002. 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
DiskWriter
Vendor detections: 7
| SHA256 hash: | e812d2f7858c5971f4f6f56e7449eeaf682863dde440dd903ae93ddaaafa2002 |
|---|---|
| SHA3-384 hash: | 1fc5356ab7563e65900d0917ec4f45218fba673568e5c79e5ac1d7c955649cf023bc10267d5bf681465ca07cc8ef506b |
| SHA1 hash: | d7182be789f06d348bfe0aaff0ca2da7e1fedf2d |
| MD5 hash: | 49d24fc12ccba3d412757a18039fff16 |
| humanhash: | zebra-uncle-blossom-fish |
| File name: | unknow辅助工具1.4.12.exe |
| Download: | download sample |
| Signature | DiskWriter |
| File size: | 695'856 bytes |
| First seen: | 2020-10-03 01:36:59 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0b8dc3053f3622bd573753ca1ed0e05a (1 x DiskWriter) |
| ssdeep | 12288:cfjuCI5kFKR3xLpeJz8FXrAqQwsgx13gNsl2KZquoljauh0Nplns+Tg1:vl3kJz4XrpQwXx5gNsl2KQJZ++ |
| TLSH | 30E4122D6728DDA5C09E0CF8095346792E214C6284A4824E3BAFBD0C38B7BF55BD75F6 |
| Reporter |  vm001cn |
| Tags: | DiskWriter MBRLock |
Intelligence
File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Detection:
XiaoBa
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Searching for the window
Searching for analyzing tools
Creating a window
Windows shutdown
Low-level writing
Rewriting of the hard drive's master boot record
Result
Threat name:
Unknown
Detection:
malicious
Classification:
phis.spyw.evad
Score:
78 / 100
Signature
Adds a new user with administrator rights
Antivirus / Scanner detection for submitted sample
Contains functionality to infect the boot sector
Detected unpacking (creates a PE file in dynamic memory)
Hides threads from debuggers
Infects the boot sector of the hard disk
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Overwrites the password of the administrator account
PE file has a writeable .text section
Tries to detect sandboxes and other dynamic analysis tools (window names)
Writes directly to the primary disk partition (DR0)
Yara detected Keylogger Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-02 16:12:00 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
9/10
Tags:
bootkit persistence ransomware
Behaviour
Runs net.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of NtSetInformationThreadHideFromDebugger
Writes to the Master Boot Record (MBR)
Modifies WinLogon to allow AutoLogon
Grants admin privileges
Unpacked files
SH256 hash:
e812d2f7858c5971f4f6f56e7449eeaf682863dde440dd903ae93ddaaafa2002
MD5 hash:
49d24fc12ccba3d412757a18039fff16
SHA1 hash:
d7182be789f06d348bfe0aaff0ca2da7e1fedf2d
SH256 hash:
bd4fd018e3c7bf11b1fbfbbd3702756739d898a6b7faaec0b09215aec8ca8339
MD5 hash:
93e1a47cec2bc4d1a81324ae1eb880bd
SHA1 hash:
c7ac4edf728d757f0ebf9cde13b141a2b8407b8a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptor
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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