MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fff0ccf5feaf5d46b295f770ad398b6d572909b00e2b8bcd1b1c286c70cd9151. 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
Mydoom
Vendor detections: 15
| SHA256 hash: | fff0ccf5feaf5d46b295f770ad398b6d572909b00e2b8bcd1b1c286c70cd9151 |
|---|---|
| SHA3-384 hash: | f0bdd000b4f7c33a98bf63a377061b0cd0ca33f4721f67fc8d139c997eaf6a61b50fe1a76060680155875cf345f62b07 |
| SHA1 hash: | f91a4d7ac276b8e8b7ae41c22587c89a39ddcea5 |
| MD5 hash: | 53df39092394741514bc050f3d6a06a9 |
| humanhash: | london-spring-one-emma |
| File name: | MyDoom (1).exe |
| Download: | download sample |
| Signature | Mydoom |
| File size: | 22'528 bytes |
| First seen: | 2025-01-23 16:43:21 UTC |
| Last seen: | 2025-04-21 04:26:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 91f7ec032570f8df9543af95a4d3909a (13 x Mydoom) |
| ssdeep | 384:96ZQHXcE7hUHwT56cC9Kg65JdwGADkHw/Rjxtuu7VIGGwQWEqpD6:CavuHAUcW/ojwG6kHw/lxqbW |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | T134A2E14996B41DFBC08707728AB3761197551538E0F99387E73C4F9FA0762A8F74E902 |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.5% (.EXE) Win32 Executable (generic) (4504/4/1) 8.4% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| dhash icon | e4d0e4e4ece4f4fc (16 x Mydoom) |
| Reporter |  MrMalware |
| Tags: | exe Mydoom |
Intelligence
File Origin
# of uploads :
2
# of downloads :
475
Origin country :
CLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MyDoom.zip
Verdict:
Malicious activity
Analysis date:
2024-02-03 18:17:52 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file in the Windows subdirectories
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
mydoom novarg packed packed packed packer_detected upx waledac
Verdict:
Malicious
Labled as:
Worm.Mydoom
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:
MYDOOM
Verdict:
Malicious
Result
Threat name:
MyDoom
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
Found evasive API chain (may stop execution after checking mutex)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected MyDoom
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Worm.Mydoom
Status:
Malicious
First seen:
2011-07-03 13:59:00 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
36 of 38 (94.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
mydoom
Result
Malware family:
mydoom
Score:
10/10
Tags:
family:mydoom discovery upx worm
Behaviour
System Location Discovery: System Language Discovery
Drops file in System32 directory
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Loads dropped DLL
Mydoom family
Detects MyDoom family
MyDoom
Verdict:
Malicious
Tags:
Win.Worm.SCO-4
YARA:
n/a
Unpacked files
SH256 hash:
db7b092bbef9137cca0fccf798461aaa6f2b536e62612607bee90e35072944c1
MD5 hash:
035976530e981cb2ca257b07ce981430
SHA1 hash:
8127e09a660c442669faf16a1211b3f4e1fd2a98
SH256 hash:
a3b416c51e7abfe216048182c7fea8e6b89b6c0599fb966093d89a119d1765d1
MD5 hash:
bff78831f5661afde6b4961bb6994ec7
SHA1 hash:
05631407e967c0c15a60414c6eb07e9b4796dc65
SH256 hash:
fff0ccf5feaf5d46b295f770ad398b6d572909b00e2b8bcd1b1c286c70cd9151
MD5 hash:
53df39092394741514bc050f3d6a06a9
SHA1 hash:
f91a4d7ac276b8e8b7ae41c22587c89a39ddcea5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mydoom
Score:
0.80
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: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_3 |
|---|---|
| Author: | Kevin Falcoz |
| Description: | UPX 3.X |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN_BASE_API | Uses Win Base API | KERNEL32.DLL::LoadLibraryA |
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