MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 63b3d2aaa4c100d27877aa9fc2da5876dfbe8e77c657ca6a8e48d209b7b888eb. 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
Koceg
Vendor detections: 14
| SHA256 hash: | 63b3d2aaa4c100d27877aa9fc2da5876dfbe8e77c657ca6a8e48d209b7b888eb |
|---|---|
| SHA3-384 hash: | acc52bd5bc6a205f9c624c21fdd2118b4ea6ccf3decf4c9c0131f53081168936afa2ca34804878d06a78b022a3ee2151 |
| SHA1 hash: | 1e0db70471fb892a77be4ded7431f01ac5c73ce2 |
| MD5 hash: | d3c781c97122014176f340dc94908ee0 |
| humanhash: | carbon-aspen-oven-kilo |
| File name: | autorun.exe |
| Download: | download sample |
| Signature | Koceg |
| File size: | 592'900 bytes |
| First seen: | 2026-06-05 17:38:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 08b656407b8d307979dc72c3fcc683a8 (15 x Koceg) |
| ssdeep | 12288:ACCs5xOKx2Nht6igCFR17fA9avjLgKCqiadCrd:AU5xOuiPXVAgjLgKBiHp |
| Threatray | 3 similar samples on MalwareBazaar |
| TLSH | T10EC4231821CB8B82E4A2757027D61FA9BDB409740C5F1E6F57B96DEE934B1CE4CC6C06 |
| TrID | 34.7% (.EXE) UPX compressed Win32 Executable (27066/9/6) 34.1% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 8.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.7% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  qemped |
| Tags: | exe Koceg |
Intelligence
File Origin
# of uploads :
1
# of downloads :
132
Origin country :
IDVendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
Malware family:
n/a
ID:
1
File name:
_63b3d2aaa4c100d27877aa9fc2da5876dfbe8e77c657ca6a8e48d209b7b888eb.exe
Verdict:
Malicious activity
Analysis date:
2026-06-05 17:44:21 UTC
Tags:
auto-reg
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:
vmdetect trojware trojan agent
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for recently created files
Launching a process
Creating a file in the Windows subdirectories
Creating a file
Restart of the analyzed sample
Setting a global event handler
DNS request
Creating a window
Deleting a recently created file
Replacing files
Connection attempt
Creating a file in the mass storage device
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Enabling autorun with the shell\open\command registry branches
Enabling autorun
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-05T08:12:00Z UTC
Last seen:
2026-06-05T08:26:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Convagent.gen Trojan.Win32.Agent.sb Trojan-Dropper.Win32.Dinwod.sbb Trojan-Dropper.Win32.Daws.sbbs HEUR:Worm.Win32.AutoRun.gen HEUR:Trojan.Win32.Nosok.gen HEUR:Trojan.Win32.Generic
Malware family:
socks
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.KOCEG
Threat name:
Win32.Worm.Mandaph
Status:
Malicious
First seen:
2026-06-05 12:37:00 UTC
File Type:
PE (Exe)
AV detection:
34 of 36 (94.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
obscene
Result
Malware family:
n/a
Score:
10/10
Tags:
adware discovery persistence stealer upx
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
UPX packed file
Adds Run key to start application
Enumerates connected drives
Installs/modifies Browser Helper Object
Modifies WinLogon
Executes dropped EXE
Modifies system executable filetype association
Drops file in Drivers directory
Sets service image path in registry
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
63b3d2aaa4c100d27877aa9fc2da5876dfbe8e77c657ca6a8e48d209b7b888eb
MD5 hash:
d3c781c97122014176f340dc94908ee0
SHA1 hash:
1e0db70471fb892a77be4ded7431f01ac5c73ce2
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: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | Suspicious_Process |
|---|---|
| Author: | Security Research Team |
| Description: | Suspicious process creation |
| Rule name: | SUSP_XORed_MSDOS_Stub_Message |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed MSDOS stub message |
| Reference: | https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings |
| Rule name: | UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | UPXv20MarkusLaszloReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_3 |
|---|---|
| Author: | Kevin Falcoz |
| Description: | UPX 3.X |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
| 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: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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