sakula | 13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3

General

Target

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe
Size

36KB
MD5

23285a786c0460fa2d2aaea67711569c
SHA1

56f87ae8aa4b561cfab185e7607fcaf603275b65
SHA256

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3
SHA512

65935c9ad562f4912ee5a242bf2bc1d8d5ccaaac7145bddcc1688f63f73dc2196bc849978789614dfacff531d917d882f03335a1283529fa00b0b0d35f161c42

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

2144 MediaCenter.exe

pid	process
2144	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:

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.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"	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\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\Config\DODownloadMode = "1"	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\DownloadMonthlyGroupBytes = "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\UploadRatePct = "100"	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 = "4220"	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\PeerInfoCount = "0"	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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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\DownlinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.476184"	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\DownloadMonthlyCacheHostBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\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\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\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\DownloadMonthlyRateFrCnt = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892923732334051"	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
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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.354862"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

412 PING.EXE

pid	process
412	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe
Token: SeBackupPrivilege	3912	TiWorker.exe
Token: SeRestorePrivilege	3912	TiWorker.exe
Token: SeSecurityPrivilege	3912	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.execmd.exe

description	pid	process	target process
PID 208 wrote to memory of 2144	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	MediaCenter.exe
PID 208 wrote to memory of 2144	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	MediaCenter.exe
PID 208 wrote to memory of 2144	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	MediaCenter.exe
PID 208 wrote to memory of 3628	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	cmd.exe
PID 208 wrote to memory of 3628	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	cmd.exe
PID 208 wrote to memory of 3628	208	13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe	cmd.exe
PID 3628 wrote to memory of 412	3628	cmd.exe	PING.EXE
PID 3628 wrote to memory of 412	3628	cmd.exe	PING.EXE
PID 3628 wrote to memory of 412	3628	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe
"C:\Users\Admin\AppData\Local\Temp\13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13c2fb8b9676191f033d6c2269f8883105a74c31b76364ce4ac0d314bfba15a3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3628

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:412

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1692

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:2140

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:3912

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
532c851c24904a49209a7738fdb8916f

SHA1
d4c2fcb1b9dfc7a6a8208e002cbdf317a74c398f

SHA256
d8e65842241885cc7dc03b60bd13d2f5516234e2d4355d506c7beda7f821a435

SHA512
0a7c54f63441990d94d536ec22b4b02eee25629d90ea4cf3f6e25f85be1c1a7c46e12d2cfd3a1873c8c4013077db2f1986dd42a40b504977ef5d5de14aefdd25

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

MD5
532c851c24904a49209a7738fdb8916f

SHA1
d4c2fcb1b9dfc7a6a8208e002cbdf317a74c398f

SHA256
d8e65842241885cc7dc03b60bd13d2f5516234e2d4355d506c7beda7f821a435

SHA512
0a7c54f63441990d94d536ec22b4b02eee25629d90ea4cf3f6e25f85be1c1a7c46e12d2cfd3a1873c8c4013077db2f1986dd42a40b504977ef5d5de14aefdd25

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads