sakula | 156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5

General

Target

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe
Size

99KB
MD5

aa7b8a039eedc95be933b8e1420c4853
SHA1

5d594a1d7bb595a1e34dd99194c087a14715e752
SHA256

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5
SHA512

d4a7eae672754e8657434708f4c5d728ecbe236efd3d15d04dc2b7531ca32ef6dacdf92eca3327b85fd17b828dc0a6cfdd73c700735ad3fcf6c7b7493300e2ef

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

1876 MediaCenter.exe

pid	process
1876	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:

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.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"	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.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 50 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\MemoryUsageKB = "4084"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.982254"	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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\InternetConnectionCount = "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\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\MonthlyUploadRestriction = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.012923"	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\CacheSizeBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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 (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\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 (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\SwarmCount = "1"	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\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\LANConnectionCount = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892899097073140"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2568 PING.EXE

pid	process
2568	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.execmd.exe

description	pid	process	target process
PID 932 wrote to memory of 1876	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	MediaCenter.exe
PID 932 wrote to memory of 1876	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	MediaCenter.exe
PID 932 wrote to memory of 1876	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	MediaCenter.exe
PID 932 wrote to memory of 396	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	cmd.exe
PID 932 wrote to memory of 396	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	cmd.exe
PID 932 wrote to memory of 396	932	156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe	cmd.exe
PID 396 wrote to memory of 2568	396	cmd.exe	PING.EXE
PID 396 wrote to memory of 2568	396	cmd.exe	PING.EXE
PID 396 wrote to memory of 2568	396	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe
"C:\Users\Admin\AppData\Local\Temp\156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1876

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\156dc36d2d3961be836c497a016a7ecc3ce762fd9e25b7f5e5a59da6aa496cd5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2568

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3052

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:1240

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:2648

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
f6bb561f8fddc4c6333cff93c5efa380

SHA1
74329f1fa55a5f99273dd759c0a4cf02fafa5197

SHA256
f5ff014cc62ab20e2f81cba124c07617b2cf98f073ae889f9f8f17f3e9973c7a

SHA512
ba72e990876dabd32e9519d79e94d1361339d13db81759fb8adb074f4967bf99e3e318b65cab5df627fe37da1c8d801516cf575f423a6a60e8397fee07bbe77e

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

MD5
f6bb561f8fddc4c6333cff93c5efa380

SHA1
74329f1fa55a5f99273dd759c0a4cf02fafa5197

SHA256
f5ff014cc62ab20e2f81cba124c07617b2cf98f073ae889f9f8f17f3e9973c7a

SHA512
ba72e990876dabd32e9519d79e94d1361339d13db81759fb8adb074f4967bf99e3e318b65cab5df627fe37da1c8d801516cf575f423a6a60e8397fee07bbe77e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads