MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1c5f2835b84d22609366b41ed483093a8a0fbc14f10e6bcbcc9d7efa65fd485a. 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: | 1c5f2835b84d22609366b41ed483093a8a0fbc14f10e6bcbcc9d7efa65fd485a |
|---|---|
| SHA3-384 hash: | e6f55f7d788dc4c4a121714ccc630031ff494c51f5b4ad2a028bf630660d6eba76be7f55d7d48debd6653a81a3339010 |
| SHA1 hash: | 63476f42c9b5ed22c8aeda3fd3187bec5b58b2ef |
| MD5 hash: | df95a6f88acf2af6401b2d349226be76 |
| humanhash: | utah-eight-king-hotel |
| File name: | 1c5f2835b84d22609366b41ed483093a8a0fbc14f10e6bcbcc9d7efa65fd485a |
| Download: | download sample |
| Signature | Mydoom |
| File size: | 426'496 bytes |
| First seen: | 2026-11-09 08:17:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/vnd.microsoft.portable-executable |
| imphash | 713c956e8cf57e6ac393cc1a275b72a1 (1 x Mydoom) |
| ssdeep | 12288:o93XFVhy28HtOj3D27ohwRNd4powFRtkAtCy59kxlMtC:o93X53D2chuNd4RTx56xj |
| TLSH | T17D940287F161C977EC6402F4059CBAB4A724EA29A013C6327364DC2AAFFA136754D737 |
| TrID | 38.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 8.0% (.EXE) Win64 Executable (generic) (6522/11/2) 6.2% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | dad2d6dac2ca66a8 (1 x Mydoom) |
| Reporter |  adrian__luca |
| Tags: | exe Mydoom |
Intelligence
File Origin
# of uploads :
1
# of downloads :
44
Origin country :
HUVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
sample.bin
Verdict:
Malicious activity
Analysis date:
2024-11-07 19:16:56 UTC
Tags:
evasion xor-url generic stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
autorun spam
Result
Verdict:
Malware
Maliciousness:
Behaviour
Restart of the analyzed sample
Creating synchronization primitives
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Unauthorized injection to a recently created process
Firewall traversal
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Blocking the Windows Security Center notifications
Unauthorized injection to a recently created process by context flags manipulation
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices
Gathering data
Verdict:
Malicious
Labled as:
Worm.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2017-12-21T12:53:00Z UTC
Last seen:
2026-10-22T02:45:00Z UTC
Hits:
~10
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Worm.Ackantta
Status:
Malicious
First seen:
2017-12-22 01:41:20 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
34 of 36 (94.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion discovery persistence trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Executes a file named after a Windows system binary
Executes dropped EXE
Windows security bypass
Windows security modification
Modifies firewall policy service
UAC bypass
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector spam evasion rat
YARA:
n/a
Malware Family:
typic
Malicious:
True
Tags:
exec-delay peexe input-check debugger-check persistence malware
Unpacked files
SH256 hash:
1c5f2835b84d22609366b41ed483093a8a0fbc14f10e6bcbcc9d7efa65fd485a
MD5 hash:
df95a6f88acf2af6401b2d349226be76
SHA1 hash:
63476f42c9b5ed22c8aeda3fd3187bec5b58b2ef
SH256 hash:
a93f52bad691c8d2d0dca0aabc1295871a9db9b41790784132bcc10a0d3e4b3d
MD5 hash:
c50ac9c9ee680d8b80f2aedb80e5287c
SHA1 hash:
bb4833eb4dcc1babb20d62cfba6ca5067341cad5
Detections:
SUSP_XORed_Mozilla
SUSP_XORed_URL_In_EXE
SH256 hash:
a8100cbca489b5c177778e64908eceefb5ff3007bff6b95d41c7853bc1a092a1
MD5 hash:
d707c1a691066c9a792661f07add6a35
SHA1 hash:
28b18eee49c4d0893f2a08f3fd6f29bed445c12b
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | data_manipulation |
|---|---|
| Author: | Serhii Kocherhan |
| Description: | Detects data manipulation routines including XOR encoding, Base64 references, and RC4 PRGA encryption |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DevCv5 |
|---|---|
| Author: | malware-lu |
| Rule name: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | SUSP_XORed_Mozilla |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_Oct19 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | SUSP_XORed_URL_in_EXE_RID2E46 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects Fantom (pe, etat extrait) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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