sakula | 0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6

General

Target

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe
Size

79KB
MD5

1d15ab42a56c1ae77a83faa7d74b9afe
SHA1

186021f276a3de52f9848e1969b234a6b6c367a4
SHA256

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6
SHA512

2875e6daf33590c93c7182d16d3c0c051526e49e77e728374e0b55150f28acd5a79a0f2cab78fd68cdf5a431c27372f38e8d8d206d833274f198796ee47036da

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

244 MediaCenter.exe

pid	process
244	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:

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.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"	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.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\DownlinkBps = "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\UploadCount = "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\MonthID = "2"	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\PeerInfoCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3700"	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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.090523"	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\DownloadMonthlyRateBkBps = "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\SwarmCount = "1"	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\DownloadMonthlyCacheHostBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.305810"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyLinkLocalBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3720"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.673389"	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\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "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\UploadMonthlyInternetBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2596 PING.EXE

pid	process
2596	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe
Token: SeBackupPrivilege	3932	TiWorker.exe
Token: SeRestorePrivilege	3932	TiWorker.exe
Token: SeSecurityPrivilege	3932	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.execmd.exe

description	pid	process	target process
PID 112 wrote to memory of 244	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	MediaCenter.exe
PID 112 wrote to memory of 244	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	MediaCenter.exe
PID 112 wrote to memory of 244	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	MediaCenter.exe
PID 112 wrote to memory of 2544	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	cmd.exe
PID 112 wrote to memory of 2544	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	cmd.exe
PID 112 wrote to memory of 2544	112	0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe	cmd.exe
PID 2544 wrote to memory of 2596	2544	cmd.exe	PING.EXE
PID 2544 wrote to memory of 2596	2544	cmd.exe	PING.EXE
PID 2544 wrote to memory of 2596	2544	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe
"C:\Users\Admin\AppData\Local\Temp\0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:244

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b4e48fba903bd0b4394566d886809e75a563936201e4d06239970a6e3e3c8c6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2544

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2596

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3812

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3816

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:3932

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
455bb2fdc5970d05f3f0753c764554de

SHA1
337ecc874e637be037119f2e88f0154be96e01ab

SHA256
107a924dbb80fec01a480496cce6c46d41702db2e5010491e1edc574ca971a9a

SHA512
cbb8498f19914e94751e3d1ab06aec532b27e3a9a09ecd7e98107113f0ac96fa0a1342863fa2c6d1616e3ba14b85fe40f0d765b57f3bd741f60afafbe4b50f4b

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

MD5
455bb2fdc5970d05f3f0753c764554de

SHA1
337ecc874e637be037119f2e88f0154be96e01ab

SHA256
107a924dbb80fec01a480496cce6c46d41702db2e5010491e1edc574ca971a9a

SHA512
cbb8498f19914e94751e3d1ab06aec532b27e3a9a09ecd7e98107113f0ac96fa0a1342863fa2c6d1616e3ba14b85fe40f0d765b57f3bd741f60afafbe4b50f4b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads