chaos | f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77

Analysis

user interaction
yes
max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/08/2026, 03:44

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Report Analysis Logs

General

Target
Chaos Ransomware Builder.exe
Size 550KB
Sample260815-eash3sel6z
SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
MD5 8b855e56e41a6e10d28522a20c1e0341
SHA1 17ea75272cfe3749c6727388fd444d2c970f9d01
SHA512 eefab442b9c1be379e00c6a7de9d6d7d327ad8fd52d62a5744e104f6caa44f7147a8e74f340870f9c017980a3d8a5a86a05f76434539c01270c442a66b2af908
SSDEEP 3072:9UJAYdi2YcRVm16Pn6tpzqJG/sX9i2YcRPm16Pn6ckCjSH5EyR9aKZt18rTu+i2S:9aiWm162qJEsNiym16ryAiym168
TLSH
T1C0C4C504AEF48A2FD32947B9E363F11CC7E5A8333652C2667ACD21C96B737A08513756
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

chaos ransomware

Malware Config

Signatures

Family: Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 1 IoCs

resource	yara_rule
behavioral1/memory/784-0-0x0000000000FF0000-0x000000000107E000-memory.dmp	family_chaos

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 64 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Chaos Ransomware Builder.exe
Key created	\Registry\User\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\NotificationData	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	Chaos Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Chaos Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents"	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 6000310000000000ae5cb11c10004d594e4f54457e310000480009000400efbeae5cb01cae5cb11c2e00000030a20200000001000000000000000000000000000000556211004d00790020004e006f007400650062006f006f006b00000018000000	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Chaos Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	Chaos Ransomware Builder.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	Chaos Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "3"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Chaos Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\Shell\SniffedFolderType = "Documents"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Chaos Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Chaos Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Chaos Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2824035265-2271499813-2042964211-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0"	Chaos Ransomware Builder.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
784	Chaos Ransomware Builder.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	784	Chaos Ransomware Builder.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
784	Chaos Ransomware Builder.exe
784	Chaos Ransomware Builder.exe

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder.exe
"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder.exe"
1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:784

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/784-0-0x0000000000FF0000-0x000000000107E000-memory.dmp

Download

memory/784-1-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download

memory/784-2-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download

memory/784-3-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download

memory/784-4-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download

memory/784-5-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download

memory/784-6-0x000000001CBB0000-0x000000001CBC0000-memory.dmp

Download