ryuk | cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d

Analysis

max time kernel
169s
max time network
37s
platform
windows7_x64
resource
win7-en-20211208
submitted
20-02-2022 01:50

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General

Target

cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
Size

209KB
MD5

a48d9d97ed4698432823d5fbc4426e35
SHA1

77b6c5b3c3890ad324743367e37da8a35882fde2
SHA256

cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d
SHA512

1baadbbb701db4f75f40adae0da76ccd9ee4b20c82697cfaef3e34f20b9142f1ff90edbc96984c0de8e99baec63ec378730fa4fd0765b931cb4242bd79862521

Score

10^/10

ryuk ransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note

Special warning for system administrators, network administrators and third parties: Do not try to solve this problem by yourselves! Don't change file extensions! It can be dangerous for the encrypted information! Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files.Your system administrators are trying to solve problem by simple file extension changing. This actions seriously increase the time needed to recover your company's PCs and network servers! To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us at [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe

Emails

[email protected]

Signatures

Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
ransomware ryuk

Drops desktop.ini file(s) 64 IoCs

description	ioc	Process
File opened for modification	C:\Documents and Settings\Admin\SendTo\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Administrative Tools\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Music\Sample Music\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Maintenance\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Startup\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Maintenance\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\QDAZQ7UR\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\K819CMRP\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\T7AS43M2\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Recent\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Desktop\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Pictures\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Videos\Sample Videos\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\History\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Contacts\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Links\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Administrative Tools\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Windows Mail\Stationery\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\S3IV548V\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\S3IV548V\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Administrative Tools\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Pictures\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\S3IV548V\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Saved Games\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Accessories\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\My Pictures\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Desktop\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Maintenance\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\FNOUQX38\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Startup\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\Windows PowerShell\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\T0STXTA8\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Windows Mail\Stationery\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Searches\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Music\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Pictures\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\System Tools\Desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\FNOUQX38\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Accessories\System Tools\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Desktop\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Music\Sample Music\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Documents\My Pictures\Sample Pictures\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Accessories\System Tools\Desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\My Music\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\FNOUQX38\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\T0STXTA8\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Startup\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\All Users\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Start Menu\Programs\Administrative Tools\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Microsoft\Feeds Cache\desktop.ini	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\T0STXTA8\desktop.ini	taskhost.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1276	taskhost.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1276	taskhost.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
1276	taskhost.exe
1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
Token: SeBackupPrivilege	1276	taskhost.exe
Token: SeBackupPrivilege	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1276	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	19
PID 1796 wrote to memory of 1376	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	20
PID 1796 wrote to memory of 1240	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	27
PID 1796 wrote to memory of 1240	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	27
PID 1796 wrote to memory of 1240	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	27
PID 1796 wrote to memory of 1272	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	29
PID 1796 wrote to memory of 1272	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	29
PID 1796 wrote to memory of 1272	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	29
PID 1240 wrote to memory of 1768	1240	net.exe	31
PID 1240 wrote to memory of 1768	1240	net.exe	31
PID 1240 wrote to memory of 1768	1240	net.exe	31
PID 1272 wrote to memory of 1140	1272	net.exe	32
PID 1272 wrote to memory of 1140	1272	net.exe	32
PID 1272 wrote to memory of 1140	1272	net.exe	32
PID 1796 wrote to memory of 1844	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	33
PID 1796 wrote to memory of 1844	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	33
PID 1796 wrote to memory of 1844	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	33
PID 1276 wrote to memory of 1636	1276	taskhost.exe	34
PID 1276 wrote to memory of 1636	1276	taskhost.exe	34
PID 1276 wrote to memory of 1636	1276	taskhost.exe	34
PID 1636 wrote to memory of 1712	1636	net.exe	38
PID 1636 wrote to memory of 1712	1636	net.exe	38
PID 1636 wrote to memory of 1712	1636	net.exe	38
PID 1844 wrote to memory of 1500	1844	net.exe	37
PID 1844 wrote to memory of 1500	1844	net.exe	37
PID 1844 wrote to memory of 1500	1844	net.exe	37
PID 1276 wrote to memory of 1748	1276	taskhost.exe	39
PID 1276 wrote to memory of 1748	1276	taskhost.exe	39
PID 1276 wrote to memory of 1748	1276	taskhost.exe	39
PID 1796 wrote to memory of 1400	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	41
PID 1796 wrote to memory of 1400	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	41
PID 1796 wrote to memory of 1400	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	41
PID 1400 wrote to memory of 300	1400	net.exe	43
PID 1400 wrote to memory of 300	1400	net.exe	43
PID 1400 wrote to memory of 300	1400	net.exe	43
PID 1748 wrote to memory of 1944	1748	net.exe	45
PID 1748 wrote to memory of 1944	1748	net.exe	45
PID 1748 wrote to memory of 1944	1748	net.exe	45
PID 1796 wrote to memory of 25716	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	47
PID 1796 wrote to memory of 25716	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	47
PID 1796 wrote to memory of 25716	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	47
PID 25716 wrote to memory of 25916	25716	net.exe	49
PID 25716 wrote to memory of 25916	25716	net.exe	49
PID 25716 wrote to memory of 25916	25716	net.exe	49
PID 1276 wrote to memory of 35088	1276	taskhost.exe	50
PID 1276 wrote to memory of 35088	1276	taskhost.exe	50
PID 1276 wrote to memory of 35088	1276	taskhost.exe	50
PID 1796 wrote to memory of 35112	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	52
PID 1796 wrote to memory of 35112	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	52
PID 1796 wrote to memory of 35112	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	52
PID 35088 wrote to memory of 35140	35088	net.exe	54
PID 35088 wrote to memory of 35140	35088	net.exe	54
PID 35088 wrote to memory of 35140	35088	net.exe	54
PID 35112 wrote to memory of 35148	35112	net.exe	55
PID 35112 wrote to memory of 35148	35112	net.exe	55
PID 35112 wrote to memory of 35148	35112	net.exe	55
PID 1796 wrote to memory of 35492	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	57
PID 1796 wrote to memory of 35492	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	57
PID 1796 wrote to memory of 35492	1796	cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe	57
PID 35492 wrote to memory of 35516	35492	net.exe	59
PID 35492 wrote to memory of 35516	35492	net.exe	59
PID 35492 wrote to memory of 35516	35492	net.exe	59
PID 1276 wrote to memory of 35528	1276	taskhost.exe	60
PID 1276 wrote to memory of 35528	1276	taskhost.exe	60

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:1712
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:1944
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:35088
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:35140
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  PID:35528
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:35576

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1376

C:\Users\Admin\AppData\Local\Temp\cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe
"C:\Users\Admin\AppData\Local\Temp\cf2e3265c9a05b2616ebc53a6f9ed7e8fc188ba15834295bb16f68c48de65b7d.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:1768
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:1140
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:1500
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:300
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:25716
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:25916
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:35112
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:35148
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:35492
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:35516
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  PID:35552
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:35588

Network

MITRE ATT&CK Enterprise v6

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/1276-54-0x000000013FCC0000-0x0000000140057000-memory.dmp

Filesize
3.6MB

Download
memory/1276-56-0x000000013FCC0000-0x0000000140057000-memory.dmp

Filesize
3.6MB

Download
memory/1376-58-0x000000013FCC0000-0x0000000140057000-memory.dmp

Filesize
3.6MB

Download
memory/1796-55-0x000007FEFC321000-0x000007FEFC323000-memory.dmp

Filesize
8KB

Download