sakula | 18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3

General

Target

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
Size

89KB
MD5

60b419cc2f0b4d5467429473cfae2f69
SHA1

38acdfdbc1c09915f452693e0a1a1c756694d4a1
SHA256

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3
SHA512

cfe9baa00cb44072bb8400d2eac67720dbeb3c2a80ce9bb870844b77bf16c877ef22cb7d0ec1019e24ebe91bb68ae1db9c4a72bb03f25f33defbe4f9eee0e7a3

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/3592-132-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula
behavioral2/memory/1552-133-0x0000000000400000-0x000000000041B000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1552 MediaCenter.exe

pid	process
1552	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 46 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124917"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3692"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.218914"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3664"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1780 PING.EXE

pid	process
1780	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.execmd.exe

description	pid	process	target process
PID 3592 wrote to memory of 1552	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	MediaCenter.exe
PID 3592 wrote to memory of 1552	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	MediaCenter.exe
PID 3592 wrote to memory of 1552	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	MediaCenter.exe
PID 3592 wrote to memory of 1380	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	cmd.exe
PID 3592 wrote to memory of 1380	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	cmd.exe
PID 3592 wrote to memory of 1380	3592	18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe	cmd.exe
PID 1380 wrote to memory of 1780	1380	cmd.exe	PING.EXE
PID 1380 wrote to memory of 1780	1380	cmd.exe	PING.EXE
PID 1380 wrote to memory of 1780	1380	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe
"C:\Users\Admin\AppData\Local\Temp\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1552

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18f4e140e1ec580fb96108e23d2f4d7359dd2942f84731850237a76d732ba0a3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1780

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:776

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:960

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
b40cea21cbc92b241c21620b7cb2fb3c

SHA1
2f7c58b2ee43ca88a556983c8f9cbfb83e39c29c

SHA256
6f8871dd101046beaf3568e8737ad6cf3e1c39ccff8fd3c7bf14fd65d4cd8113

SHA512
62d229a9c583abe38e2a06a4d177c24ebfdc26bb3531e85b475699fd61c42bc95415d1e7ebc62945c0f00c4ec79df8ac8609065f840f6dacc3f93ff9f2cfbdb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
b40cea21cbc92b241c21620b7cb2fb3c

SHA1
2f7c58b2ee43ca88a556983c8f9cbfb83e39c29c

SHA256
6f8871dd101046beaf3568e8737ad6cf3e1c39ccff8fd3c7bf14fd65d4cd8113

SHA512
62d229a9c583abe38e2a06a4d177c24ebfdc26bb3531e85b475699fd61c42bc95415d1e7ebc62945c0f00c4ec79df8ac8609065f840f6dacc3f93ff9f2cfbdb0

Download Submit
memory/1552-133-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3592-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads