avaddon | 8b7732e436f705e1a01a820759bcd33cc0a46ea0db18ba7d91cbb36d95e8ca63

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 13:37

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General

Target

1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Size

775KB
MD5

0b486fe0503524cfe4726a4022fa6a68
SHA1

297dea71d489768ce45d23b0f8a45424b469ab00
SHA256

1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2
SHA512

f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619
SSDEEP

24576:TCs99+OXLpMePfI8TgmBTCDqEbOpPtpFhyxfq:5GOXLpMePfzVTCD7gPtLhSfq

Score

10^/10

avaddon evasion ransomware trojan

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\bfYZS_readme_.txt

Family

avaddon

Ransom Note

-------=== Your network has been infected! ===------- ***************** DO NOT DELETE THIS FILE UNTIL ALL YOUR DATA HAVE BEEN RECOVERED ***************** All your documents, photos, databases and other important files have been encrypted and have the extension: .DCDCadbDD You are not able to decrypt it by yourself. But don't worry, we can help you to restore all your files! The only way to restore your files is to buy our special software. Only we can give you this software and only we can restore your files! We have also downloaded a lot of private data from your network. If you do not contact as in a 3 days we will post information about your breach on our public news website (avaddongun7rngel.onion) and after 7 days the whole downloaded info. You can get more information on our page, which is located in a Tor hidden network. How to get to our page -------------------------------------------------------------------------------- | | 1. Download Tor browser - https://www.torproject.org/ | | 2. Install Tor browser | | 3. Open link in Tor browser - avaddonbotrxmuyl.onion | | 4. Follow the instructions on this page | -------------------------------------------------------------------------------- Your ID: -------------------------------------------------------------------------------- MjY2NC10M1VTZXFnUjB4c3RDdzVzN3NNcWNSTEdtRTdrZkM1bkwzYlBMUm9ObXd5bkcvY1pxdTVzNmpkRUhlUG8wdDY3ckpacXhEYkVrb1JudktEUGJ6Qkt5R1RsRGgvcGViYkROaXZ1bDBNa21YUm8ybm5mYUNlK1R2cmNhc3ZnYkRXeHJPUGtUSDZwL3VRUVg4c0pmMElwc2U2STV0ejQ4M1FSUUFucjBRSCtNa3F4c0tvUXlNRXpXQytmd3J4NGx3RmI3eU14SlJNbjFVSXowNXR3dnB1R0NOMVVKUlBSUXJ0cFVIME1wQjJmUVc5NFZLbHFhSDMybW9ZdTJlUFlPQmtUWElkSkFCb1JSNVZPMC94V3lHQXlSQ1JlelNZdlVuVXFhUGdJc1pWdVRSUWtkR0NTVkFndVcyMkdjTWkxTlN2SDFFa2lwM3ZMYzByT0hvdU11dUpCRmpJQkRNTE1GWTl1QmluTEVwZS8yV3hqeW01dUFKKzBla3l6TCtWQ1hYVU9sVmNqWnpKMEVWZWZzdTloNVdVOEZtZ014V1F4NHA5UzJmQ2hkNmJrdkgyT1BSSDhFQ2RBdzNORTdqQXowZVhDOWpQRG1kdWh2MDlSaDZNUmhCc3BMNWlua3JDaldvRVgxbFpTRWt6THE1T3NrL1dNd0xpbk5FK2tIM2VSaWg2a0k2V0NWZFBrTzY2ZDNPYWdnWHY0bGhSSEFkUW9nTC9nWEVmVnNBaUxmcktXcll4bTVSemtKa0dZTkhMbDU1R3lXcy9xZWVHZU1ucWdyNHoxZzJDL25yeDBsK2RtQnNRSUJnci8vaG1kU2Uwa1lJcmN4SmFpYkluTHZEWnRDN040RHZ4L216V1BKVkFTOURnZ2cxd1pMTm5PcUdJMlZxQXF0VDJLa2xqSEo0OHBLTjRTMGhDR0dVMGxGWnZ5alQrMk0yU3lmTWRRaGtyaEhIMkZsLzFodXorT2lINkVJMlNnblFPSWdMS0tXU2FrZncyZlhYRjdlRVpXQlNZMXlqMitGbGs1dE9mbGlpeVVBNE80WDNtclBXMXgwZnBFUGozc1o5SEJTd2VDcU9oeExsSTFPRzNCNjA3RnlNRU1OeFVYMUQxTTB1d2R2Qmc0cFMwc3A4MEtJc2xzUXZmOGpXYms1TGZtM21pbWNiTWVYZ2d0Rk9sb0J2Qm01a2pLK0N5djhwRDhEcDY0Z0o0eFJWMXRSTlJuVy9uNmI3SXQvYUcyMWxCYmVJeW9UUWF1MkVvRnVLQzZnM3FUQ0V2QU54MTYwUEptMU0wTVhsWjh5enFwWVZtZi85SGtySVdLWU14S1orMlg0Z1ovTmtoeEYxQjEwUnNZeFFOaHI0SldPS01wNDB1OFVRdndiVFVKaytKUnBORWREdEVRNGVMY1hrVnoyUnY0a3JjRzc1Z3JqemlLaDRrbkV1OUtCTUcyeTh0Rjh3Yjg2dlVWbnk4dExKT2lUNUFpVVBpZ0EvS25LK2ZxQU1MSjJyTGRiWG9IVERvd0duUlJlVXRyVldvQUdlSWc3dkdsZmI2SlQ3K25HcTZWZ3ppeElDYTJJQk44T1RucEp2NVhhRnZyNlpPNmdWaUVRd1N0SFliSzhoQkl4TXlXd3dnVmlvRlhkclQ4WC8zWFdjNWtBanJibDlwK1ZKSnN4UVBlTFdJaW1EZUpCSms1RHhUS1M5Q09iOTFUb2hPOEpmU3dSbEtIcEc2Y2hCa3lMQjVKL2F3R1RGMzlqbWhkUDNZT2ZUZWtTR2dRQ0tTY3lHV2UwTXNxMmJuU1BucFJKMmk0R3d0Vk5KVm5VdGtFZWpoZmVMT2J2OUdtN2hVQ0UzTDVsL0lzdk9sY0dOTTIwNXcrdU1CSGVzQVVodUlicGJLN2EybmUxM092MG9mUjJLMTBvMFByTEFlNGtIenNvU2dRNG93WXVWVFhid1RmVzRxUkpDVDVveXJyekVPTGZ1UCthUm9NSXZrejFyVkljWTIwak9yYWQzVWc5bEZRbnBwT3lKZ0dCa0I0dVZzQUFsQ0Q3SXgvVkpwSGd2amE0bVdZMlpxTmIyZ2tFb20zZjlraW11RmtMMEV4Y2NhUjVjNklMc0g2QlB5K0RFNUNBTTFVM2UxM1hHTjdUWXdIc1dtQTl2QWozNHNlU1NzVlQrTVNFUT09 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * Rn9QnbX8q

URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Documents\bfYZS_readme_.txt

Family

avaddon

Ransom Note

URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Signatures

Avaddon
Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.
ransomware avaddon

Avaddon payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012257-570.dat	family_avaddon

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2660	3068	wmic.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	3068	wmic.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	776	3068	wmic.exe	28

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (199) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

pid	Process
576	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\N:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\P:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\R:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\S:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\U:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\J:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\E:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\O:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\Q:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\V:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\X:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\B:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\H:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\I:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\Y:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\F:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\A:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\K:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\L:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\M:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\T:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\W:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\Z:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
File opened (read-only)	\??\G:	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

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

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 3 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2496	vssadmin.exe
1404	vssadmin.exe
1040	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2660	wmic.exe
Token: SeSecurityPrivilege	2660	wmic.exe
Token: SeTakeOwnershipPrivilege	2660	wmic.exe
Token: SeLoadDriverPrivilege	2660	wmic.exe
Token: SeSystemProfilePrivilege	2660	wmic.exe
Token: SeSystemtimePrivilege	2660	wmic.exe
Token: SeProfSingleProcessPrivilege	2660	wmic.exe
Token: SeIncBasePriorityPrivilege	2660	wmic.exe
Token: SeCreatePagefilePrivilege	2660	wmic.exe
Token: SeBackupPrivilege	2660	wmic.exe
Token: SeRestorePrivilege	2660	wmic.exe
Token: SeShutdownPrivilege	2660	wmic.exe
Token: SeDebugPrivilege	2660	wmic.exe
Token: SeSystemEnvironmentPrivilege	2660	wmic.exe
Token: SeRemoteShutdownPrivilege	2660	wmic.exe
Token: SeUndockPrivilege	2660	wmic.exe
Token: SeManageVolumePrivilege	2660	wmic.exe
Token: 33	2660	wmic.exe
Token: 34	2660	wmic.exe
Token: 35	2660	wmic.exe
Token: SeIncreaseQuotaPrivilege	2608	wmic.exe
Token: SeSecurityPrivilege	2608	wmic.exe
Token: SeTakeOwnershipPrivilege	2608	wmic.exe
Token: SeLoadDriverPrivilege	2608	wmic.exe
Token: SeSystemProfilePrivilege	2608	wmic.exe
Token: SeSystemtimePrivilege	2608	wmic.exe
Token: SeProfSingleProcessPrivilege	2608	wmic.exe
Token: SeIncBasePriorityPrivilege	2608	wmic.exe
Token: SeCreatePagefilePrivilege	2608	wmic.exe
Token: SeBackupPrivilege	2608	wmic.exe
Token: SeRestorePrivilege	2608	wmic.exe
Token: SeShutdownPrivilege	2608	wmic.exe
Token: SeDebugPrivilege	2608	wmic.exe
Token: SeSystemEnvironmentPrivilege	2608	wmic.exe
Token: SeRemoteShutdownPrivilege	2608	wmic.exe
Token: SeUndockPrivilege	2608	wmic.exe
Token: SeManageVolumePrivilege	2608	wmic.exe
Token: 33	2608	wmic.exe
Token: 34	2608	wmic.exe
Token: 35	2608	wmic.exe
Token: SeIncreaseQuotaPrivilege	776	wmic.exe
Token: SeSecurityPrivilege	776	wmic.exe
Token: SeTakeOwnershipPrivilege	776	wmic.exe
Token: SeLoadDriverPrivilege	776	wmic.exe
Token: SeSystemProfilePrivilege	776	wmic.exe
Token: SeSystemtimePrivilege	776	wmic.exe
Token: SeProfSingleProcessPrivilege	776	wmic.exe
Token: SeIncBasePriorityPrivilege	776	wmic.exe
Token: SeCreatePagefilePrivilege	776	wmic.exe
Token: SeBackupPrivilege	776	wmic.exe
Token: SeRestorePrivilege	776	wmic.exe
Token: SeShutdownPrivilege	776	wmic.exe
Token: SeDebugPrivilege	776	wmic.exe
Token: SeSystemEnvironmentPrivilege	776	wmic.exe
Token: SeRemoteShutdownPrivilege	776	wmic.exe
Token: SeUndockPrivilege	776	wmic.exe
Token: SeManageVolumePrivilege	776	wmic.exe
Token: 33	776	wmic.exe
Token: 34	776	wmic.exe
Token: 35	776	wmic.exe
Token: SeIncreaseQuotaPrivilege	2660	wmic.exe
Token: SeSecurityPrivilege	2660	wmic.exe
Token: SeTakeOwnershipPrivilege	2660	wmic.exe
Token: SeLoadDriverPrivilege	2660	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2420	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	35
PID 2184 wrote to memory of 2420	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	35
PID 2184 wrote to memory of 2420	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	35
PID 2184 wrote to memory of 2420	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	35
PID 2184 wrote to memory of 1040	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	40
PID 2184 wrote to memory of 1040	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	40
PID 2184 wrote to memory of 1040	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	40
PID 2184 wrote to memory of 1040	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	40
PID 2184 wrote to memory of 676	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	42
PID 2184 wrote to memory of 676	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	42
PID 2184 wrote to memory of 676	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	42
PID 2184 wrote to memory of 676	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	42
PID 2184 wrote to memory of 2496	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	44
PID 2184 wrote to memory of 2496	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	44
PID 2184 wrote to memory of 2496	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	44
PID 2184 wrote to memory of 2496	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	44
PID 2184 wrote to memory of 804	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	46
PID 2184 wrote to memory of 804	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	46
PID 2184 wrote to memory of 804	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	46
PID 2184 wrote to memory of 804	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	46
PID 2184 wrote to memory of 1404	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	48
PID 2184 wrote to memory of 1404	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	48
PID 2184 wrote to memory of 1404	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	48
PID 2184 wrote to memory of 1404	2184	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe	48
PID 1320 wrote to memory of 576	1320	taskeng.exe	54
PID 1320 wrote to memory of 576	1320	taskeng.exe	54
PID 1320 wrote to memory of 576	1320	taskeng.exe	54
PID 1320 wrote to memory of 576	1320	taskeng.exe	54

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
"C:\Users\Admin\AppData\Local\Temp\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2184
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:2420
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:1040
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:676
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:2496
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:804
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:1404

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2660

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2608

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:776

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:1640

C:\Windows\system32\taskeng.exe
taskeng.exe {D5207A67-2D94-4F0F-A60D-E93E63EC842F} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
  2⤵
  - Executes dropped EXE
  PID:576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

Filesize
775KB

MD5
0b486fe0503524cfe4726a4022fa6a68

SHA1
297dea71d489768ce45d23b0f8a45424b469ab00

SHA256
1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2

SHA512
f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619

Download Submit
C:\Users\Admin\Desktop\bfYZS_readme_.txt

Filesize
3KB

MD5
5093fecc365017619c87ee608f6abd7c

SHA1
7e8bef5e313a36927ad282bcd4bb22dfa94e6005

SHA256
56c4185b0300af4ebac42f92f714f0f713d1f3dc109b46bd7afe28d6fdebbd5f

SHA512
dfbcafe845c0c802ee8d1364563417a702a860aa9df328108a2b50bee54a36ebdf7c174b5e214a233f3d4620215f27cb10e25a3aba7dded2bb676453ef991dd2

Download Submit
C:\Users\Admin\Documents\bfYZS_readme_.txt

Filesize
3KB

MD5
733d51837893fad7579004327a0f68cf

SHA1
0bff9f221e96a2b9d9b9b3224619fa2e4587231d

SHA256
1c741ff226ffa887fd5710eb19e74ef2ae276e428974bbbd7fedf2f8ce34120e

SHA512
b136ad1f8bb875766626ce2de809bbd20661047f1509a98743719c48cf936eff63e6bc4577c49d87e1b885ee9abd006d261abff22f748d142359c56fbf39b556

Download Submit