ryuk | 75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1

Analysis

max time kernel
173s
max time network
46s
platform
windows7_x64
resource
win7-en-20211208
submitted
20-02-2022 05:40

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General

Target

75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
Size

209KB
MD5

4d409f1fc90b86f5893a8ad63d0d4b84
SHA1

4c7a52b0def17ab668c2bc0dbfa43d56360d0786
SHA256

75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1
SHA512

fdfc68a0d4cc76b38ddede9c2b3fd55719554aff48e73ff3c4e4d0a35ac6b0436501a8e3e9e72385e72a61dcb3fa3f0dc4c4a22824ff06e7859a169ab7fc7b82

Score

10^/10

ryuk ransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note

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. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. 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. 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 a [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\AppData\Local\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Application Data\Temporary Internet Files\Content.IE5\FNOUQX38\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\NK9YD4KU\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\T7AS43M2\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\My Pictures\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Saved Games\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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 Videos\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	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\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\Application Data\Temporary Internet Files\Content.IE5\RO7FJFDE\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\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	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\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\T0STXTA8\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\Documents\My Pictures\Sample Pictures\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\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\Start Menu\Programs\Accessories\Desktop.ini	taskhost.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\Desktop\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Searches\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Administrative Tools\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\Temporary Internet Files\Content.IE5\T0STXTA8\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Favorites\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\Games\Desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Favorites\Links\desktop.ini	taskhost.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Accessories\Desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\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\NK9YD4KU\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\NK9YD4KU\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\Temporary Internet Files\Content.IE5\T0STXTA8\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\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\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	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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\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\Start Menu\Programs\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\T7AS43M2\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Documents\My Videos\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\Start Menu\Programs\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Desktop\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
File opened for modification	C:\Documents and Settings\Admin\Start Menu\Programs\Maintenance\Desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\K819CMRP\desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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\Application Data\Start Menu\Programs\Accessories\Desktop.ini	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1228	taskhost.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1228	taskhost.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
1228	taskhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
Token: SeBackupPrivilege	1228	taskhost.exe
Token: SeBackupPrivilege	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1228	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	13
PID 1940 wrote to memory of 1344	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	19
PID 1940 wrote to memory of 1056	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	29
PID 1940 wrote to memory of 1056	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	29
PID 1940 wrote to memory of 1056	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	29
PID 1940 wrote to memory of 1208	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	31
PID 1940 wrote to memory of 1208	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	31
PID 1940 wrote to memory of 1208	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	31
PID 1056 wrote to memory of 636	1056	net.exe	34
PID 1056 wrote to memory of 636	1056	net.exe	34
PID 1056 wrote to memory of 636	1056	net.exe	34
PID 1208 wrote to memory of 440	1208	net.exe	33
PID 1208 wrote to memory of 440	1208	net.exe	33
PID 1208 wrote to memory of 440	1208	net.exe	33
PID 1940 wrote to memory of 2008	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	35
PID 1940 wrote to memory of 2008	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	35
PID 1940 wrote to memory of 2008	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	35
PID 2008 wrote to memory of 916	2008	net.exe	37
PID 2008 wrote to memory of 916	2008	net.exe	37
PID 2008 wrote to memory of 916	2008	net.exe	37
PID 1940 wrote to memory of 1508	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	39
PID 1940 wrote to memory of 1508	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	39
PID 1940 wrote to memory of 1508	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	39
PID 1228 wrote to memory of 2428	1228	taskhost.exe	41
PID 1228 wrote to memory of 2428	1228	taskhost.exe	41
PID 1228 wrote to memory of 2428	1228	taskhost.exe	41
PID 2428 wrote to memory of 2484	2428	net.exe	42
PID 2428 wrote to memory of 2484	2428	net.exe	42
PID 2428 wrote to memory of 2484	2428	net.exe	42
PID 1940 wrote to memory of 2664	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	45
PID 1940 wrote to memory of 2664	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	45
PID 1940 wrote to memory of 2664	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	45
PID 1508 wrote to memory of 2704	1508	net.exe	46
PID 1508 wrote to memory of 2704	1508	net.exe	46
PID 1508 wrote to memory of 2704	1508	net.exe	46
PID 1228 wrote to memory of 2720	1228	taskhost.exe	47
PID 1228 wrote to memory of 2720	1228	taskhost.exe	47
PID 1228 wrote to memory of 2720	1228	taskhost.exe	47
PID 2720 wrote to memory of 2748	2720	net.exe	49
PID 2720 wrote to memory of 2748	2720	net.exe	49
PID 2720 wrote to memory of 2748	2720	net.exe	49
PID 2664 wrote to memory of 2764	2664	net.exe	50
PID 2664 wrote to memory of 2764	2664	net.exe	50
PID 2664 wrote to memory of 2764	2664	net.exe	50
PID 1940 wrote to memory of 18784	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	51
PID 1940 wrote to memory of 18784	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	51
PID 1940 wrote to memory of 18784	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	51
PID 18784 wrote to memory of 18808	18784	net.exe	53
PID 18784 wrote to memory of 18808	18784	net.exe	53
PID 18784 wrote to memory of 18808	18784	net.exe	53
PID 1940 wrote to memory of 18844	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	54
PID 1940 wrote to memory of 18844	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	54
PID 1940 wrote to memory of 18844	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	54
PID 1228 wrote to memory of 18864	1228	taskhost.exe	56
PID 1228 wrote to memory of 18864	1228	taskhost.exe	56
PID 1228 wrote to memory of 18864	1228	taskhost.exe	56
PID 18844 wrote to memory of 18896	18844	net.exe	59
PID 18844 wrote to memory of 18896	18844	net.exe	59
PID 18844 wrote to memory of 18896	18844	net.exe	59
PID 18864 wrote to memory of 18904	18864	net.exe	58
PID 18864 wrote to memory of 18904	18864	net.exe	58
PID 18864 wrote to memory of 18904	18864	net.exe	58
PID 1940 wrote to memory of 26248	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe	60
PID 1940 wrote to memory of 26248	1940	75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.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:1228
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:2484
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:2748
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:18864
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:18904
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  PID:33732
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:33772

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Users\Admin\AppData\Local\Temp\75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe
"C:\Users\Admin\AppData\Local\Temp\75b37b61fbbd2e474e235398bf9aafe4ee978ba13f24e0e2343a656d705315c1.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "spooler" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "spooler" /y
    3⤵
    PID:636
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:440
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:916
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:2704
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:2764
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:18784
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:18808
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:18844
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:18896
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  PID:26248
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:26272
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  PID:33724
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:33780

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:1500

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/1228-56-0x000000013FEA0000-0x0000000140237000-memory.dmp

Filesize
3.6MB

Download
memory/1228-54-0x000000013FEA0000-0x0000000140237000-memory.dmp

Filesize
3.6MB

Download
memory/1940-55-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

Filesize
8KB

Download