sakula | 0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237

General

Target

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe
Size

150KB
MD5

29637bbe50f53dc4cf2a6192355ee774
SHA1

9ee1e4055770469eeb26071387ebe39b02cbf797
SHA256

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237
SHA512

ccf6473b3be46b0cf091fde4cf11e6c5ab9a25ff4089148ecc5a7d7a0eeea4f7feb103acf7d25f13e77bbf78285357942289a2bfb0b5765c8827ff1c8988fe59

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

1844 MediaCenter.exe

pid	process
1844	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:

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.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"	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\LANConnectionCount = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.285698"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\Config\KVFileExpirationTime = "132893024958792794"	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
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\UplinkUsageBps = "0"	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\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\MemoryUsageKB = "4348"	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\DownloadMode_BackCompat = "1"	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\UploadCount = "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\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\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\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.671201"	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\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\MonthlyUploadRestriction = "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\Usage	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124828"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\FrDownloadRatePct = "90"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2424 PING.EXE

pid	process
2424	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe
Token: SeBackupPrivilege	3396	TiWorker.exe
Token: SeRestorePrivilege	3396	TiWorker.exe
Token: SeSecurityPrivilege	3396	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.execmd.exe

description	pid	process	target process
PID 2908 wrote to memory of 1844	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	MediaCenter.exe
PID 2908 wrote to memory of 1844	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	MediaCenter.exe
PID 2908 wrote to memory of 1844	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	MediaCenter.exe
PID 2908 wrote to memory of 1948	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	cmd.exe
PID 2908 wrote to memory of 1948	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	cmd.exe
PID 2908 wrote to memory of 1948	2908	0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe	cmd.exe
PID 1948 wrote to memory of 2424	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 2424	1948	cmd.exe	PING.EXE
PID 1948 wrote to memory of 2424	1948	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe
"C:\Users\Admin\AppData\Local\Temp\0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c77f97ebcd61baaa00739b24f26793e85e71b15dc2536398c3e4d66a53a5237.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2424

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2724

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:460

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:3396

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
c72444769e4c72822d20b8a2d7809aee

SHA1
4c597b7889fc7c84865b03f2b1ecdeca35dbd65e

SHA256
f55f9230a996b3b7a2b760475b8cc2bd15a098f77f00c3c8dd5271601a6a794c

SHA512
20da1d0591b5c2d21c405ca017fd6fffeb238e38bea863dd77f8e336420391e03d0cba306c20985d36e40ffd7068266b52fd72c2f1f42104ddad5607c06a940d

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

MD5
c72444769e4c72822d20b8a2d7809aee

SHA1
4c597b7889fc7c84865b03f2b1ecdeca35dbd65e

SHA256
f55f9230a996b3b7a2b760475b8cc2bd15a098f77f00c3c8dd5271601a6a794c

SHA512
20da1d0591b5c2d21c405ca017fd6fffeb238e38bea863dd77f8e336420391e03d0cba306c20985d36e40ffd7068266b52fd72c2f1f42104ddad5607c06a940d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads