avaddon | bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 13:40

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General

Target

bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
Size

775KB
MD5

21de830008ad31c83a09be67a3ae8b4d
SHA1

c95ac053d6f4284e41dfea342bb30aede7b02244
SHA256

bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac
SHA512

293dc967be7fd187116623cbc67d33b785c7e6d946b22e8793a7432a4eb044ab5f56af12d41c342d2ee06c6350b1615e6b15f9db170518abaad4dd219287d1b1
SSDEEP

24576:+Csr9+OXLpMePfI8TgmBTCDqEbOpPtpFadxfq:Y0OXLpMePfzVTCD7gPtLaffq

Score

10^/10

avaddon evasion ransomware trojan

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\eM9UR_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: .aEcDAcacBb 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: -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * UyGqmqjBwuVMfHkmlGJM9YhZYDkQ

URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Favorites\Microsoft Websites\eM9UR_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/0x000a000000012252-514.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	2904	2560	wmic.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2472	2560	wmic.exe	28
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2612	2560	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\ConsentPromptBehaviorAdmin = "0"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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 (170) 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
2544	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\Z:\$RECYCLE.BIN\S-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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)	\??\U:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\Z:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\K:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\O:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\P:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\N:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\W:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\X:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\G:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\H:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\M:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\L:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\V:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\Y:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\I:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\J:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\Q:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\R:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\S:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\A:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\B:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\E:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\T:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
File opened (read-only)	\??\F:	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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
1628	vssadmin.exe
1816	vssadmin.exe
1596	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2904	wmic.exe
Token: SeSecurityPrivilege	2904	wmic.exe
Token: SeTakeOwnershipPrivilege	2904	wmic.exe
Token: SeLoadDriverPrivilege	2904	wmic.exe
Token: SeSystemProfilePrivilege	2904	wmic.exe
Token: SeSystemtimePrivilege	2904	wmic.exe
Token: SeProfSingleProcessPrivilege	2904	wmic.exe
Token: SeIncBasePriorityPrivilege	2904	wmic.exe
Token: SeCreatePagefilePrivilege	2904	wmic.exe
Token: SeBackupPrivilege	2904	wmic.exe
Token: SeRestorePrivilege	2904	wmic.exe
Token: SeShutdownPrivilege	2904	wmic.exe
Token: SeDebugPrivilege	2904	wmic.exe
Token: SeSystemEnvironmentPrivilege	2904	wmic.exe
Token: SeRemoteShutdownPrivilege	2904	wmic.exe
Token: SeUndockPrivilege	2904	wmic.exe
Token: SeManageVolumePrivilege	2904	wmic.exe
Token: 33	2904	wmic.exe
Token: 34	2904	wmic.exe
Token: 35	2904	wmic.exe
Token: SeIncreaseQuotaPrivilege	2472	wmic.exe
Token: SeSecurityPrivilege	2472	wmic.exe
Token: SeTakeOwnershipPrivilege	2472	wmic.exe
Token: SeLoadDriverPrivilege	2472	wmic.exe
Token: SeSystemProfilePrivilege	2472	wmic.exe
Token: SeSystemtimePrivilege	2472	wmic.exe
Token: SeProfSingleProcessPrivilege	2472	wmic.exe
Token: SeIncBasePriorityPrivilege	2472	wmic.exe
Token: SeCreatePagefilePrivilege	2472	wmic.exe
Token: SeBackupPrivilege	2472	wmic.exe
Token: SeRestorePrivilege	2472	wmic.exe
Token: SeShutdownPrivilege	2472	wmic.exe
Token: SeDebugPrivilege	2472	wmic.exe
Token: SeSystemEnvironmentPrivilege	2472	wmic.exe
Token: SeRemoteShutdownPrivilege	2472	wmic.exe
Token: SeUndockPrivilege	2472	wmic.exe
Token: SeManageVolumePrivilege	2472	wmic.exe
Token: 33	2472	wmic.exe
Token: 34	2472	wmic.exe
Token: 35	2472	wmic.exe
Token: SeIncreaseQuotaPrivilege	2612	wmic.exe
Token: SeSecurityPrivilege	2612	wmic.exe
Token: SeTakeOwnershipPrivilege	2612	wmic.exe
Token: SeLoadDriverPrivilege	2612	wmic.exe
Token: SeSystemProfilePrivilege	2612	wmic.exe
Token: SeSystemtimePrivilege	2612	wmic.exe
Token: SeProfSingleProcessPrivilege	2612	wmic.exe
Token: SeIncBasePriorityPrivilege	2612	wmic.exe
Token: SeCreatePagefilePrivilege	2612	wmic.exe
Token: SeBackupPrivilege	2612	wmic.exe
Token: SeRestorePrivilege	2612	wmic.exe
Token: SeShutdownPrivilege	2612	wmic.exe
Token: SeDebugPrivilege	2612	wmic.exe
Token: SeSystemEnvironmentPrivilege	2612	wmic.exe
Token: SeRemoteShutdownPrivilege	2612	wmic.exe
Token: SeUndockPrivilege	2612	wmic.exe
Token: SeManageVolumePrivilege	2612	wmic.exe
Token: 33	2612	wmic.exe
Token: 34	2612	wmic.exe
Token: 35	2612	wmic.exe
Token: SeIncreaseQuotaPrivilege	2904	wmic.exe
Token: SeSecurityPrivilege	2904	wmic.exe
Token: SeTakeOwnershipPrivilege	2904	wmic.exe
Token: SeLoadDriverPrivilege	2904	wmic.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2360	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	35
PID 2308 wrote to memory of 2360	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	35
PID 2308 wrote to memory of 2360	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	35
PID 2308 wrote to memory of 2360	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	35
PID 2308 wrote to memory of 1628	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	40
PID 2308 wrote to memory of 1628	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	40
PID 2308 wrote to memory of 1628	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	40
PID 2308 wrote to memory of 1628	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	40
PID 2308 wrote to memory of 1760	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	42
PID 2308 wrote to memory of 1760	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	42
PID 2308 wrote to memory of 1760	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	42
PID 2308 wrote to memory of 1760	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	42
PID 2308 wrote to memory of 1816	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	44
PID 2308 wrote to memory of 1816	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	44
PID 2308 wrote to memory of 1816	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	44
PID 2308 wrote to memory of 1816	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	44
PID 2308 wrote to memory of 2364	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	46
PID 2308 wrote to memory of 2364	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	46
PID 2308 wrote to memory of 2364	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	46
PID 2308 wrote to memory of 2364	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	46
PID 2308 wrote to memory of 1596	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	48
PID 2308 wrote to memory of 1596	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	48
PID 2308 wrote to memory of 1596	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	48
PID 2308 wrote to memory of 1596	2308	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe	48
PID 3008 wrote to memory of 2544	3008	taskeng.exe	54
PID 3008 wrote to memory of 2544	3008	taskeng.exe	54
PID 3008 wrote to memory of 2544	3008	taskeng.exe	54
PID 3008 wrote to memory of 2544	3008	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"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLinkedConnections = "1"	bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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\bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
"C:\Users\Admin\AppData\Local\Temp\bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.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:2308
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:2360
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:1628
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:1760
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:1816
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic SHADOWCOPY DELETE /nointeractive
  2⤵
  PID:2364
- C:\Windows\SysWOW64\vssadmin.exe
  vssadmin Delete Shadows /All /Quiet
  2⤵
  - Interacts with shadow copies
  PID:1596

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2904

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2472

C:\Windows\system32\wbem\wmic.exe
wmic SHADOWCOPY DELETE /nointeractive
1⤵
- Process spawned unexpected child process
- Suspicious use of AdjustPrivilegeToken
PID:2612

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:1664

C:\Windows\system32\taskeng.exe
taskeng.exe {407A6F1E-7166-4E86-AFC8-E73D94C17F14} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Windows\bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe
  2⤵
  - Executes dropped EXE
  PID:2544

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\bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac.exe

Filesize
775KB

MD5
21de830008ad31c83a09be67a3ae8b4d

SHA1
c95ac053d6f4284e41dfea342bb30aede7b02244

SHA256
bc5c264c4dc0207f6d500c47f870cc2aef641c4bf0efa3b1a408b83922cc61ac

SHA512
293dc967be7fd187116623cbc67d33b785c7e6d946b22e8793a7432a4eb044ab5f56af12d41c342d2ee06c6350b1615e6b15f9db170518abaad4dd219287d1b1

Download Submit
C:\Users\Admin\Desktop\eM9UR_readme_.txt

Filesize
3KB

MD5
7b22d8d9d994e328b61064ee93888782

SHA1
0410dec396738cc17718f4fb24f862ea54fbc846

SHA256
51caf465250d13bb55b24242f77972890810f0e0fd0012436b8824d479a3d951

SHA512
b5823ca1f864efbf7042784e34ecb10b427e58d8516e3f2d786823ffd033089f55223bf9f72f56ef9500ac98599d2d6bcf242120ff64066f0285746c76f49698

Download Submit
C:\Users\Admin\Favorites\Microsoft Websites\eM9UR_readme_.txt

Filesize
3KB

MD5
12c59a4fb36018ad6163f598d7b343b5

SHA1
91e37e2dc52bc2f6ef8631da1375a59810cbd38d

SHA256
d1a7b98f090cf1e04f224bd89fe7391488691a0433cf98c25acb29c1d91bb2ac

SHA512
8a47b8cdfa26e9dbd20002caf66fcfa907cee647af9356f7ecb9023a4962842d5d4aa9bd6932c660e63ea611e839040e7439fe1d8fafead360a8655a4d4bad01

Download Submit