sakula | 0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69

General

Target

0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe
Size

89KB
MD5

05a733d2d21789abb30dc15cfcb27d48
SHA1

80747582919d02acd1d966b01fac153276d26f74
SHA256

0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69
SHA512

0bcb1d81825828e7c13308799d0c7bf205cd9c207dd24a8485a81e1999883ff7bb6615170a61c5d9c783b9b5d399b8b2c364cba74c16e3bdef839ec167dff09a

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 2 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3664 MediaCenter.exe

pid	process
3664	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:

0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.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"	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "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\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrBps = "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\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 (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\MemoryUsageKB = "4144"	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\DODownloadMode = "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\PriorityDownloadCount = "0"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.101517"	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\DownlinkUsageBps = "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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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 = "0.150944"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\DownloadMonthlyRateFrCnt = "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\Config\KVFileExpirationTime = "132892999584849380"	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\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\UploadCount = "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\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007985"	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\MemoryUsageKB = "4092"	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\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\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1356 PING.EXE

pid	process
1356	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe

description	pid	process
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe
Token: SeBackupPrivilege	3984	TiWorker.exe
Token: SeRestorePrivilege	3984	TiWorker.exe
Token: SeSecurityPrivilege	3984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.execmd.exe

description	pid	process	target process
PID 1988 wrote to memory of 3664	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	MediaCenter.exe
PID 1988 wrote to memory of 3664	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	MediaCenter.exe
PID 1988 wrote to memory of 3664	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	MediaCenter.exe
PID 1988 wrote to memory of 3224	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	cmd.exe
PID 1988 wrote to memory of 3224	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	cmd.exe
PID 1988 wrote to memory of 3224	1988	0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe	cmd.exe
PID 3224 wrote to memory of 1356	3224	cmd.exe	PING.EXE
PID 3224 wrote to memory of 1356	3224	cmd.exe	PING.EXE
PID 3224 wrote to memory of 1356	3224	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe
"C:\Users\Admin\AppData\Local\Temp\0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e42ab4662ab76593d8980443c2cba8d414c6fae6eaf8b2cce9fa09918e96a69.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3224

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1356

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3372

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:2852

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:3984

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
e3c93855a8ee274296522c20fe31f0d1

SHA1
9b6a2717130c31537171941418d7cdf3fbec7294

SHA256
4ab62eeeae44c09cdd027aafca1ebd739aa44d7c36e311fb61c44836872fa16b

SHA512
49a446191bd5515c454c0025f079e2b062732370b079b91046b5e9916794ef93ae887791d2db7040229f5315cdc6a27350c3d3942a63345d7ea9378d081c6072

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

MD5
e3c93855a8ee274296522c20fe31f0d1

SHA1
9b6a2717130c31537171941418d7cdf3fbec7294

SHA256
4ab62eeeae44c09cdd027aafca1ebd739aa44d7c36e311fb61c44836872fa16b

SHA512
49a446191bd5515c454c0025f079e2b062732370b079b91046b5e9916794ef93ae887791d2db7040229f5315cdc6a27350c3d3942a63345d7ea9378d081c6072

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads