sakula | 07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e

General

Target

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe
Size

35KB
MD5

499870fb8fd9c2191959dc57e708835a
SHA1

b2d2b0c2e2e879659c24493368bc526b2a533b41
SHA256

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e
SHA512

bc5c06be4ce53666f532bc36d220d2a7f4f24f0c7ab212cfb44e75dee0b7413fd52e6c2805c513857dd94e8d761a32eda88477db5bb7800c610b3e51d543b28d

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

2616 MediaCenter.exe

pid	process
2616	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:

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.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"	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.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

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132893115559439276"	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\MonthlyUploadRestriction = "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\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\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 (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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\UplinkUsageBps = "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\UploadMonthlyLanBytes = "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\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\UploadRatePct = "100"	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\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\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\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 (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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyRateBkBps = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.262506"	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\PriorityDownloadCount = "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\MonthID = "2"	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\LANConnectionCount = "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 = "5.555569"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.666382"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3372 PING.EXE

pid	process
3372	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.execmd.exe

description	pid	process	target process
PID 1044 wrote to memory of 2616	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	MediaCenter.exe
PID 1044 wrote to memory of 2616	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	MediaCenter.exe
PID 1044 wrote to memory of 2616	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	MediaCenter.exe
PID 1044 wrote to memory of 2732	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	cmd.exe
PID 1044 wrote to memory of 2732	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	cmd.exe
PID 1044 wrote to memory of 2732	1044	07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe	cmd.exe
PID 2732 wrote to memory of 3372	2732	cmd.exe	PING.EXE
PID 2732 wrote to memory of 3372	2732	cmd.exe	PING.EXE
PID 2732 wrote to memory of 3372	2732	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe
"C:\Users\Admin\AppData\Local\Temp\07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07ebc2c61476e4203af3a943fbbad5ecaa45ba7650f420b5d92c97486654de6e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
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:1136

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:2636

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
cb1d289992752a234d8cfa6e8ce5038f

SHA1
d5701a4dda3f0f4d04b07e5eff5acdcf8988db8d

SHA256
08d98d8b5fdf6a18bde016d94e4d7e3ff309eb6ed929eebd161804bfa33534db

SHA512
744c6e6935edd155c81946779b6d6a779f8d4581ea1909dc03362cbfbc717eb2a912432f0c2340062a9100cd68e91480cd464b5539f7678905f18c934decefcb

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
cb1d289992752a234d8cfa6e8ce5038f

SHA1
d5701a4dda3f0f4d04b07e5eff5acdcf8988db8d

SHA256
08d98d8b5fdf6a18bde016d94e4d7e3ff309eb6ed929eebd161804bfa33534db

SHA512
744c6e6935edd155c81946779b6d6a779f8d4581ea1909dc03362cbfbc717eb2a912432f0c2340062a9100cd68e91480cd464b5539f7678905f18c934decefcb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads