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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a9afbc2b7671c4b6b355da6da1572b1592aa9987396c332fa9bd2d07fca60e0. 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



Burnwoo


Vendor detections: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 1a9afbc2b7671c4b6b355da6da1572b1592aa9987396c332fa9bd2d07fca60e0
SHA3-384 hash: c81d2bd29a27c3b2f3fc78db88739562be70f1a65cd3a17565198b22c2c2cb8bcee1b0fff24e0324510ef7e32364e682
SHA1 hash: 4bef79953a5c890139d817bec809cceacde97c22
MD5 hash: 8e8b9b52536b4ec6b380201db4d3e898
humanhash: emma-oven-green-green
File name:1a9afbc2b7671c4b6b355da6da1572b1592aa9987396c332fa9bd2d07fca60e0
Download: download sample
Signature Burnwoo
File size:60'928 bytes
First seen:2026-10-08 12:22:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 5c498a5e6afc1b44efbcf92226b6df4c (1 x Burnwoo)
ssdeep 1536:3ITRdNtOEHJjYNTLmqZ6vTy63i6EBXlLOUpEc:3CRTtlpsZLZ6vTy5LOUpEc
TLSH T11C533A22B384C5A2D4162170051987BA1A75F931632C8BCBBFD5BD4EAF643D2E33661F
TrID 43.3% (.EXE) Win64 Executable (generic) (6522/11/2)
29.9% (.EXE) Win32 Executable (generic) (4504/4/1)
13.3% (.EXE) Generic Win/DOS Executable (2002/3)
13.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon beb2b6b6766676b4 (1 x Burnwoo, 1 x CoinMiner, 1 x DCRat)
Reporter Anonymous
Tags:Burnwoo exe


Avatar
Anonymous
Worm.Win32/Burnwoo.A https://www.trendmicro.com/vinfo/jp/threat-encyclopedia/malware/worm.win32.burnwoo.ausl

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
JP JP
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
1a9afbc2b7671c4b6b355da6da1572b1592aa9987396c332fa9bd2d07fca60e0
Verdict:
Suspicious activity
Analysis date:
2026-10-08 11:45:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
dropper trojan burn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Launching a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2013-11-19T22:40:00Z UTC
Last seen:
2026-10-09T20:36:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Worm.Burnwoo
Status:
Malicious
First seen:
2015-01-31 20:31:00 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
32 of 36 (88.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Adds Run key to start application
Enumerates connected drives
Executes dropped EXE
Unpacked files
SH256 hash:
1a9afbc2b7671c4b6b355da6da1572b1592aa9987396c332fa9bd2d07fca60e0
MD5 hash:
8e8b9b52536b4ec6b380201db4d3e898
SHA1 hash:
4bef79953a5c890139d817bec809cceacde97c22
Please note that we are no longer able to provide a coverage score for Virus Total.

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:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:WIN_Malware_Unknown_ForgeAuto_74566f98
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_79234c04
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments