sakula | 10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf

General

Target

10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe
Size

79KB
MD5

950ad2942634671b940b5c1f9d6a25e4
SHA1

d7817d04e0f90b0b6a45004893597d280bbddc3a
SHA256

10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf
SHA512

164689245d1ed06ce30797f1681047ad555ee2d6d0c17e7b479664a8f6f615ae4d5015c5f2fdabaf74cba9131dd882d7bf077cacac2553e3a7a9a705929800e1

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

2640 MediaCenter.exe

pid	process
2640	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:

10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.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"	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.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

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
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\UploadMonthlyLanBytes = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.923402"	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\NormalDownloadPendingCount = "0"	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\DownloadMonthlyInternetBytes = "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\UplinkBps = "0"	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\DownloadMonthlyCdnBytes = "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\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 (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\SwarmCount = "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\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\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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	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\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.667133"	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\UploadMonthlyInternetBytes = "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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892972892215094"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4060 PING.EXE

pid	process
4060	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe

description	pid	process
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe
Token: SeBackupPrivilege	2828	TiWorker.exe
Token: SeRestorePrivilege	2828	TiWorker.exe
Token: SeSecurityPrivilege	2828	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.execmd.exe

description	pid	process	target process
PID 2784 wrote to memory of 2640	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	MediaCenter.exe
PID 2784 wrote to memory of 2640	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	MediaCenter.exe
PID 2784 wrote to memory of 2640	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	MediaCenter.exe
PID 2784 wrote to memory of 4012	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	cmd.exe
PID 2784 wrote to memory of 4012	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	cmd.exe
PID 2784 wrote to memory of 4012	2784	10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe	cmd.exe
PID 4012 wrote to memory of 4060	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 4060	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 4060	4012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe
"C:\Users\Admin\AppData\Local\Temp\10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2640

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10099ef82d2cf92495ab585db094876b82a188eed1225952eed51e34bde356cf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4060

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:680

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:3288

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:2828

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
8924c2106f864977a50d02b056ec4173

SHA1
325631dfdde97c43effc7ff8cc5c7cfc3ccc4f73

SHA256
0ac0bd2c37c3b319801da4ec40c711eb0d1f1d36e4a2fd38b921b558413fdf78

SHA512
458eec1c7b45508522f671b660b2244b6b677ca570beee96c52d8deac5dd0085dd92cad6e6ef226db5e0912e23b8b50c35851c318a33c09982209632c2fd4b80

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

MD5
8924c2106f864977a50d02b056ec4173

SHA1
325631dfdde97c43effc7ff8cc5c7cfc3ccc4f73

SHA256
0ac0bd2c37c3b319801da4ec40c711eb0d1f1d36e4a2fd38b921b558413fdf78

SHA512
458eec1c7b45508522f671b660b2244b6b677ca570beee96c52d8deac5dd0085dd92cad6e6ef226db5e0912e23b8b50c35851c318a33c09982209632c2fd4b80

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads