sakula | 11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6

General

Target

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe
Size

58KB
MD5

3605270ebb700d837e35a06cff3db1cd
SHA1

d3a5aea6c37fb740832a60209ff6ad06bc23a1ae
SHA256

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6
SHA512

62ad55a046f3ff945390c7122e673fbe1d7a7a52b82002b1369419d271e3bb1a3c70e8a506dae7d3572f8dd068ef53a4c85182983acad1e674a1a91915425293

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2252 MediaCenter.exe

pid	process
2252	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:

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.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"	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	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 opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\PeerInfoCount = "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\DownlinkBps = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.133029"	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\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.201614"	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\DownloadMonthlyLinkLocalBytes = "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\FrDownloadRatePct = "90"	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\LinkLocalConnectionCount = "0"	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\UploadMonthlyLanBytes = "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\MemoryUsageKB = "4148"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	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\DownloadMonthlyCdnBytes = "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\UploadRatePct = "100"	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\DownloadMonthlyGroupBytes = "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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "0"	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\Config\DownloadMode_BackCompat = "1"	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\NormalDownloadCount = "0"	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\DownloadMonthlyLanBytes = "0"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2476 PING.EXE

pid	process
2476	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe
Token: SeBackupPrivilege	2072	TiWorker.exe
Token: SeRestorePrivilege	2072	TiWorker.exe
Token: SeSecurityPrivilege	2072	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.execmd.exe

description	pid	process	target process
PID 3992 wrote to memory of 2252	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	MediaCenter.exe
PID 3992 wrote to memory of 2252	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	MediaCenter.exe
PID 3992 wrote to memory of 2252	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	MediaCenter.exe
PID 3992 wrote to memory of 4072	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	cmd.exe
PID 3992 wrote to memory of 4072	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	cmd.exe
PID 3992 wrote to memory of 4072	3992	11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe	cmd.exe
PID 4072 wrote to memory of 2476	4072	cmd.exe	PING.EXE
PID 4072 wrote to memory of 2476	4072	cmd.exe	PING.EXE
PID 4072 wrote to memory of 2476	4072	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe
"C:\Users\Admin\AppData\Local\Temp\11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2252

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11bd49b7504ca1902af1be87e5ca815337c41bdca6a2634cd5b67347263031d6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4072

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3048

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2708

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:2072

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
f8df5ad07a2e21c3643ce364cd7c23f1

SHA1
1cb6091a27c0281dcb3ff29acb0b0f7d4412cde4

SHA256
5add57f10ba29979b5f9b8c788319c13f2ae0986aca9eeff3bdb6d51ac16c575

SHA512
6c7867bfb01ce5ae46de4c0f3f89e8d83b451d29b12146c08c486acaa5bfb7ab8b67959b69e11b6d490770de28fd8f2821c9e2f2345fbbbbcdb61aa1b759a4a9

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

MD5
f8df5ad07a2e21c3643ce364cd7c23f1

SHA1
1cb6091a27c0281dcb3ff29acb0b0f7d4412cde4

SHA256
5add57f10ba29979b5f9b8c788319c13f2ae0986aca9eeff3bdb6d51ac16c575

SHA512
6c7867bfb01ce5ae46de4c0f3f89e8d83b451d29b12146c08c486acaa5bfb7ab8b67959b69e11b6d490770de28fd8f2821c9e2f2345fbbbbcdb61aa1b759a4a9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads