chaos | 0d8b4a07e91e02335f600332644e8f0e504f75ab19899a58b2c85ecb0887c738

Analysis

max time kernel
43s
max time network
20s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 20:06

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General

Target

Ryuk .Net Ransomware Builder.exe
Size

287KB
MD5

b20d5ada2e81683bda32aa80cd71c025
SHA1

1ab3daa872761d887ef0be9ace528ee323201211
SHA256

0d8b4a07e91e02335f600332644e8f0e504f75ab19899a58b2c85ecb0887c738
SHA512

94da5ae4e43e6b0fdc8d0a83d8a3f2991a47b6e12f6781cc6aecb2d8d97a2d0da6dc456e3618c1a36697862e1a7a50b27a036b3569f33889452fe921c6981d91
SSDEEP

3072:GVgr8/vRx5cCPaEy3YxB+DV0Ugr8/vfx:GSrS/yKrS

Score

10^/10

chaos persistence ransomware

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\read_it.txt

Ransom Note

All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qw0ll8p9m8uezhqhyd7z459ajrk722yn8c5j4fg

Signatures

Chaos
Ransomware family first seen in June 2021.
ransomware chaos

Chaos Ransomware 5 IoCs

resource	yara_rule
behavioral1/memory/2936-1-0x0000000000930000-0x000000000097E000-memory.dmp	family_chaos
behavioral1/files/0x0007000000016c2e-12.dat	family_chaos
behavioral1/files/0x0006000000017060-21.dat	family_chaos
behavioral1/memory/2836-23-0x0000000001230000-0x000000000123A000-memory.dmp	family_chaos
behavioral1/memory/1312-29-0x0000000000D80000-0x0000000000D8A000-memory.dmp	family_chaos

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
2836	1.exe
1312	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Store = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.exe

Drops desktop.ini file(s) 14 IoCs

description	ioc	Process
File created	C:\Users\Admin\Documents\desktop.ini	svchost.exe
File created	C:\Users\Admin\Favorites\Links\desktop.ini	svchost.exe
File created	C:\Users\Admin\Searches\desktop.ini	svchost.exe
File created	C:\Users\Admin\Videos\desktop.ini	svchost.exe
File created	F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini	svchost.exe
File created	C:\Users\Admin\Desktop\desktop.ini	svchost.exe
File created	C:\Users\Admin\Contacts\desktop.ini	svchost.exe
File created	C:\Users\Admin\Favorites\desktop.ini	svchost.exe
File created	C:\Users\Admin\Music\desktop.ini	svchost.exe
File created	C:\Users\Admin\Saved Games\desktop.ini	svchost.exe
File created	C:\Users\Admin\Favorites\Links for United States\desktop.ini	svchost.exe
File created	C:\Users\Admin\Links\desktop.ini	svchost.exe
File created	C:\Users\Admin\Downloads\desktop.ini	svchost.exe
File created	C:\Users\Admin\Pictures\desktop.ini	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\SC_Reader.exe	Ryuk .Net Ransomware Builder.exe
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\sc_reader.exe	Ryuk .Net Ransomware Builder.exe

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

System Information Discovery
T1082

Modifies registry class 47 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "6"	Ryuk .Net Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "48"	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	Ryuk .Net Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlot = "2"	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "2"	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a000000a000000030f125b7ef471a10a5f102608c9eebac0c00000050000000a66a63283d95d211b5d600c04fd918d00b0000007800000030f125b7ef471a10a5f102608c9eebac0e00000078000000	Ryuk .Net Ransomware Builder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Ryuk .Net Ransomware Builder.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	Ryuk .Net Ransomware Builder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	Ryuk .Net Ransomware Builder.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	Ryuk .Net Ransomware Builder.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2240	NOTEPAD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1312	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2836	1.exe
2836	1.exe
2836	1.exe
1312	svchost.exe
1312	svchost.exe
1312	svchost.exe
1312	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	1.exe
Token: SeDebugPrivilege	1312	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2240	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	Ryuk .Net Ransomware Builder.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2416	2936	Ryuk .Net Ransomware Builder.exe	29
PID 2936 wrote to memory of 2416	2936	Ryuk .Net Ransomware Builder.exe	29
PID 2936 wrote to memory of 2416	2936	Ryuk .Net Ransomware Builder.exe	29
PID 2416 wrote to memory of 2520	2416	csc.exe	31
PID 2416 wrote to memory of 2520	2416	csc.exe	31
PID 2416 wrote to memory of 2520	2416	csc.exe	31
PID 2836 wrote to memory of 1312	2836	1.exe	34
PID 2836 wrote to memory of 1312	2836	1.exe	34
PID 2836 wrote to memory of 1312	2836	1.exe	34
PID 1312 wrote to memory of 2240	1312	svchost.exe	35
PID 1312 wrote to memory of 2240	1312	svchost.exe	35
PID 1312 wrote to memory of 2240	1312	svchost.exe	35

C:\Users\Admin\AppData\Local\Temp\Ryuk .Net Ransomware Builder.exe
"C:\Users\Admin\AppData\Local\Temp\Ryuk .Net Ransomware Builder.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ftvommjl\ftvommjl.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES78D8.tmp" "c:\Users\Admin\Desktop\CSCC1B1C8BAA9D4C3EAB8B273A81DA2D7B.TMP"
    3⤵
    PID:2520

C:\Users\Admin\Desktop\1.exe
"C:\Users\Admin\Desktop\1.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops desktop.ini file(s)
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1312
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    - Suspicious use of FindShellTrayWindow
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES78D8.tmp

Filesize
1KB

MD5
2053f4602584898e4adb8562aa843409

SHA1
f9c23e6f63c1149ccabd2c3035bd15e4ff3aa177

SHA256
2f3bf42c5b9cebdf0e987b35f173d17c289bb616c3d5c32c471632add0d7eb52

SHA512
81c35c850b623599cd34300c716b9abaa71e0b75f87ad1bcffcbb049660448ca63b08306df3fad141f87c57ec112ead90f3c4b2c02f92d96359e8876e01d4b6d

Download Submit
C:\Users\Admin\Desktop\1.exe

Filesize
15KB

MD5
2e3b427154f3770d73a567a74311900e

SHA1
7d239a22a1de7d1690902fbbf4879fb9a79522b3

SHA256
30a6e5c9b5603dfd22c61ff23e18231ba88fd46cb53491c7078f2e4c6669776f

SHA512
4d866bd844e5411d856a8583029bb5912f0bab2aed3bb34b23bb54459ea325373c77b90d1fcd67ba91963293f8c3615c7572b8f05592c52d6aa77dafd16951af

Download Submit
C:\Users\Admin\Downloads\read_it.txt

Filesize
877B

MD5
9814b140eb85668b095096dc0ac32702

SHA1
27e792330b4526b0f1ccb1eb212f9a80262353fd

SHA256
3d3a137cdf8a12a35f67451a8afead595b6281f3de271673606ee80a47de9eb0

SHA512
4caa4a28649dd76b4e845e928eb0893ad1a50cd4aaa6d58d3123303dcf07f42379171740a4d2c77ceb854b54c86f3c430ef6429bd5d10ad2b96fbcfef0a4fb13

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ftvommjl\ftvommjl.0.cs

Filesize
18KB

MD5
158456bd9ff760a8da3b189f5b1d2835

SHA1
9d058b9912746a53a44d910d528497c1c7c145d9

SHA256
360ebd343d86d333df49dfae46813385bdd524e70f435034d7941c37b35e1874

SHA512
5a4ff6b5c631ed52ecc74d73e37d3749c8920ab5fcdd0433a94580d8f3413769d2b26729d1d2cb5e0194cda9c258fd959f09f90a5e0cd6d9cfcb8c98456957a3

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ftvommjl\ftvommjl.cmdline

Filesize
327B

MD5
27e1c48b761185ee9410bb3eb6571b50

SHA1
84734e06e66a443b1bd90ab94c960d7572a7daab

SHA256
8cbe8a685289ab87701c07dd03dd42d2963e5da7f2a6f86ac17747d5214c88f2

SHA512
2487f7dba686f360b30b120438ff3f049ca4c581258d19aba61b00c901f89641d4975391f18931d3eb13070c0cbe207a085614c80439e2e459cc57ff7c86a864

Download Submit
\??\c:\Users\Admin\Desktop\CSCC1B1C8BAA9D4C3EAB8B273A81DA2D7B.TMP

Filesize
1KB

MD5
3a9dbb57f6925b3d15a696aa9e2b4d5b

SHA1
4cb53fd8ef4184a31ddd44614550e2f59692da7e

SHA256
76f5c925f53b50b2d208f3914781906b9782a04e5f09842ddba2415fad3da54b

SHA512
9c3e2b4e0ad16e3dd5cbf9c1963f519364311a64b07e3c09223c2f3c87bdc01ec5f4a70818007976f3ab66aef6af49ea42cd509eaf1b6250db663ee197ae3169

Download Submit
memory/1312-29-0x0000000000D80000-0x0000000000D8A000-memory.dmp

Filesize
40KB

Download
memory/2836-23-0x0000000001230000-0x000000000123A000-memory.dmp

Filesize
40KB

Download
memory/2936-4-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-7-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-6-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

Filesize
4KB

Download
memory/2936-5-0x000000001F0F0000-0x000000001F100000-memory.dmp

Filesize
64KB

Download
memory/2936-20-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-0-0x000007FEF5353000-0x000007FEF5354000-memory.dmp

Filesize
4KB

Download
memory/2936-3-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-2-0x000007FEF5350000-0x000007FEF5D3C000-memory.dmp

Filesize
9.9MB

Download
memory/2936-1-0x0000000000930000-0x000000000097E000-memory.dmp

Filesize
312KB

Download