sakula | 196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e

General

Target

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe
Size

192KB
MD5

2d5fde9ea0e4b71dcd627a5d1cccc532
SHA1

c2af6d9d553988a99bc9594e78c177af80bbe060
SHA256

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e
SHA512

869cd380f9836a5895b109daff673a6cd2b93a7b523d0fc37aaf532210da183b6c5dac2218374eda8e4a9f4f2537078acf41079df2f4d14a13c0166b3bf2d02e

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

3636 MediaCenter.exe

pid	process
3636	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:

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.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"	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.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\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\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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.498074"	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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\Usage\MonthID = "2"	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\DownlinkBps = "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 = "4092"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892842803170116"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\DownloadMode_BackCompat = "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\DownloadMonthlyCdnBytes = "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\UplinkUsageBps = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.729741"	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 = "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\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 (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\GroupConnectionCount = "0"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1800 PING.EXE

pid	process
1800	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.execmd.exe

description	pid	process	target process
PID 1584 wrote to memory of 3636	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	MediaCenter.exe
PID 1584 wrote to memory of 3636	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	MediaCenter.exe
PID 1584 wrote to memory of 3636	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	MediaCenter.exe
PID 1584 wrote to memory of 4036	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	cmd.exe
PID 1584 wrote to memory of 4036	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	cmd.exe
PID 1584 wrote to memory of 4036	1584	196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe	cmd.exe
PID 4036 wrote to memory of 1800	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 1800	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 1800	4036	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe
"C:\Users\Admin\AppData\Local\Temp\196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3636

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\196226537038edf32fb5d2f4845ac60f5b0c1f80c99dc39518cca32617904b2e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1800

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3912

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:3556

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:544

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
56e35523939909f5ee612e3ca7838f3e

SHA1
66e7fc9cf3165e23ec06ef570b82b27673fff116

SHA256
2098a4392d2835477c2bccf1e8829de67042b8b4832c107a6fb03be25d21680a

SHA512
f7d61d59f87d95954a171eaa80b0d833cbfe168e746cc748450041ba26bda670edd7f65219eb5e510553313051b2efd087b150a8131db3dd73be5cc598d7e4a8

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

MD5
56e35523939909f5ee612e3ca7838f3e

SHA1
66e7fc9cf3165e23ec06ef570b82b27673fff116

SHA256
2098a4392d2835477c2bccf1e8829de67042b8b4832c107a6fb03be25d21680a

SHA512
f7d61d59f87d95954a171eaa80b0d833cbfe168e746cc748450041ba26bda670edd7f65219eb5e510553313051b2efd087b150a8131db3dd73be5cc598d7e4a8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads