MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef0df588a56b4c302ebaa1101c7fbe177eb52d2b0d6e762c8a775a031800bb31. 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
Vobfus
Vendor detections: 4
| SHA256 hash: | ef0df588a56b4c302ebaa1101c7fbe177eb52d2b0d6e762c8a775a031800bb31 |
|---|---|
| SHA3-384 hash: | dd4d7f7a21d4b0f9cef954cfac9b99a0859ce964edbee10692ae76816d3d483c7e51b74b6340385c354c9b4edc420b00 |
| SHA1 hash: | 9ecf80c73f2a1cd7319d680e4a81c9f31f0990ae |
| MD5 hash: | a602a1897e2dd8f834805c6e3e8e11c2 |
| humanhash: | crazy-violet-white-early |
| File name: | a602a1897e2dd8f834805c6e3e8e11c2 |
| Download: | download sample |
| Signature | Vobfus |
| File size: | 135'168 bytes |
| First seen: | 2020-11-17 15:16:08 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | dcd32fd1eefc3c1f5bcc67f2c3a0aa86 (15 x Vobfus, 2 x Worm.Vobfus) |
| ssdeep | 768:g4mpnBWB8pHSm4KA6+9A/v/bVlbdfs3OfKDHGIHY56W:g48pymrA6y43wY56W |
| TLSH | 28D3A7557396292AD111237A3D1B8B931FA3B5366F03508AF6D13776A823D8A9C3F1C3 |
| Reporter |  seifreed |
Intelligence
File Origin
# of uploads :
1
# of downloads :
57
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Delayed writing of the file
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a process from a recently created file
DNS request
Connection attempt
Unauthorized injection to a browser process
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
Enabling threat expansion on mass storage devices by creating a special LNK file
Enabling a "Do not show hidden files" option
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.
Threat name:
Win32.Worm.Changeup
Status:
Malicious
First seen:
2020-11-07 15:06:18 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
5/5
Result
Malware family:
n/a
Score:
10/10
Tags:
evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies visiblity of hidden/system files in Explorer
Unpacked files
SH256 hash:
ef0df588a56b4c302ebaa1101c7fbe177eb52d2b0d6e762c8a775a031800bb31
MD5 hash:
a602a1897e2dd8f834805c6e3e8e11c2
SHA1 hash:
9ecf80c73f2a1cd7319d680e4a81c9f31f0990ae
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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