sakula | 174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d

General

Target

174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe
Size

60KB
MD5

da71795a151fe492b2c452fb111e9c9d
SHA1

02e5fd512c7a8fe82e536be6815d80d6b98e3356
SHA256

174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d
SHA512

71dc3f1ef0180c6467e097d479855114d5e1fb8fda9f17959be8e59135b04d49ec55879ce639670d7d903aa894b66727f57e085dd8281bc13b3ccc706dee0ead

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

2636 MediaCenter.exe

pid	process
2636	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:

174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.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"	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\FrDownloadRatePct = "90"	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\BkDownloadRatePct = "45"	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\MonthlyUploadRestriction = "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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892869701369822"	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\LinkLocalConnectionCount = "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 = "4048"	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\PeerInfoCount = "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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4320"	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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4080"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333308"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "33.291572"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\DownloadMonthlyGroupBytes = "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\Usage\CDNConnectionCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyInternetBytes = "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 = "2.500256"	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\UploadMonthlyInternetBytes = "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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4056 PING.EXE

pid	process
4056	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe

description	pid	process
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.execmd.exe

description	pid	process	target process
PID 1536 wrote to memory of 2636	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	MediaCenter.exe
PID 1536 wrote to memory of 2636	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	MediaCenter.exe
PID 1536 wrote to memory of 2636	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	MediaCenter.exe
PID 1536 wrote to memory of 964	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	cmd.exe
PID 1536 wrote to memory of 964	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	cmd.exe
PID 1536 wrote to memory of 964	1536	174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe	cmd.exe
PID 964 wrote to memory of 4056	964	cmd.exe	PING.EXE
PID 964 wrote to memory of 4056	964	cmd.exe	PING.EXE
PID 964 wrote to memory of 4056	964	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe
"C:\Users\Admin\AppData\Local\Temp\174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2636

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\174332edaa12a95d4b0f991b9d7514f88502556fc722156ee6edfd82d8c42f7d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4056

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2020

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:2812

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:3620

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
f171e3953d5d2cb04f60b0b8c96f1108

SHA1
c1181103d48824024d149880b3c4dae85363a8e9

SHA256
0bc0607344178fd4d0a80ef3ee6f8eaa384d002fe94689581e4fb19862d5984e

SHA512
ce93330f803b1d57686298c04495f80e79f2324492e185c293b5c51b3b6a71f48dc7f54ca8bb8a545aea723fd01bbf4264969cc2b56b80c0ab9e148bf996a660

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

MD5
f171e3953d5d2cb04f60b0b8c96f1108

SHA1
c1181103d48824024d149880b3c4dae85363a8e9

SHA256
0bc0607344178fd4d0a80ef3ee6f8eaa384d002fe94689581e4fb19862d5984e

SHA512
ce93330f803b1d57686298c04495f80e79f2324492e185c293b5c51b3b6a71f48dc7f54ca8bb8a545aea723fd01bbf4264969cc2b56b80c0ab9e148bf996a660

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads