sakula | 0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd

General

Target

0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe
Size

35KB
MD5

38adc97e5679cfe0cee877853b9db756
SHA1

170b1c65028b62a6b34f8be2bec6d61dd9cb0580
SHA256

0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd
SHA512

71be28083d7c7473caccbba8c4b628ef35c2039e6898d76fde9679ac869ca84d2b420411fb0a6b99e9123bc9cf55d1133fbda3fdeef1aa1f52ce1416bbea6317

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

1660 MediaCenter.exe

pid	process
1660	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:

0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.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"	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "0"	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\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 (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\DownloadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132893078085288285"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	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	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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.090512"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4000"	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\LANConnectionCount = "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\UploadCount = "0"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006587"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.268314"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4420"	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\UploadMonthlyLanBytes = "0"	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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3860 PING.EXE

pid	process
3860	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe

description	pid	process
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe
Token: SeBackupPrivilege	3092	TiWorker.exe
Token: SeRestorePrivilege	3092	TiWorker.exe
Token: SeSecurityPrivilege	3092	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.execmd.exe

description	pid	process	target process
PID 1576 wrote to memory of 1660	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	MediaCenter.exe
PID 1576 wrote to memory of 1660	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	MediaCenter.exe
PID 1576 wrote to memory of 1660	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	MediaCenter.exe
PID 1576 wrote to memory of 4084	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	cmd.exe
PID 1576 wrote to memory of 4084	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	cmd.exe
PID 1576 wrote to memory of 4084	1576	0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe	cmd.exe
PID 4084 wrote to memory of 3860	4084	cmd.exe	PING.EXE
PID 4084 wrote to memory of 3860	4084	cmd.exe	PING.EXE
PID 4084 wrote to memory of 3860	4084	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe
"C:\Users\Admin\AppData\Local\Temp\0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a43a158bccd20a4664fdadd93b4f227de7b416477edf4f14172515205f61bbd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3860

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2772

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2700

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:3092

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
2ff75a2697b1815a29610be77cf57c84

SHA1
14cea20d6709bd52c80619fd0cffeabbb4ddf80f

SHA256
3bb555b8c2f7b7b4ab87d017a60ff7a18d276692c3dd35abc551b1874bc40d3d

SHA512
b57d81e52e26153ced58e64ea00534047ed231461fd26319cbc3f2a6af7b7049f80e8098d705de49f97039dd6e4a5fbc76872283dfe3ac11c39a63aa91360107

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
2ff75a2697b1815a29610be77cf57c84

SHA1
14cea20d6709bd52c80619fd0cffeabbb4ddf80f

SHA256
3bb555b8c2f7b7b4ab87d017a60ff7a18d276692c3dd35abc551b1874bc40d3d

SHA512
b57d81e52e26153ced58e64ea00534047ed231461fd26319cbc3f2a6af7b7049f80e8098d705de49f97039dd6e4a5fbc76872283dfe3ac11c39a63aa91360107

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads