sakula | 127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4

General

Target

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe
Size

192KB
MD5

8e1c5f5035cdca733ea2f1cf5d23292b
SHA1

ddc71a9ac59957d28f1526b3741f23c9cbd60f82
SHA256

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4
SHA512

eb472ea2652048b2d6046c44b8b7f1c24e53ef4b7f18b1d075233532d27cad652b7b07f72e565a9ddf591447e5286f2106e1ff2d4fdf8baffb312b5f89ddc472

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

6140 MediaCenter.exe

pid	process
6140	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:

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.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"	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892939362217513"	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\FrDownloadRatePct = "90"	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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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\UploadCount = "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\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 (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\CacheSizeBytes = "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 = "1.980158"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.166114"	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\DownlinkBps = "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\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\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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4124"	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
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\SwarmCount = "1"	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\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\UploadMonthlyInternetBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2224 PING.EXE

pid	process
2224	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe
Token: SeBackupPrivilege	6220	TiWorker.exe
Token: SeRestorePrivilege	6220	TiWorker.exe
Token: SeSecurityPrivilege	6220	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.execmd.exe

description	pid	process	target process
PID 1744 wrote to memory of 6140	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	MediaCenter.exe
PID 1744 wrote to memory of 6140	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	MediaCenter.exe
PID 1744 wrote to memory of 6140	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	MediaCenter.exe
PID 1744 wrote to memory of 1900	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	cmd.exe
PID 1744 wrote to memory of 1900	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	cmd.exe
PID 1744 wrote to memory of 1900	1744	127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe	cmd.exe
PID 1900 wrote to memory of 2224	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 2224	1900	cmd.exe	PING.EXE
PID 1900 wrote to memory of 2224	1900	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe
"C:\Users\Admin\AppData\Local\Temp\127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:6140

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\127de618276f0ef30de0520afcfc8c1fba25d02cb54b1e996dcddd1f996d57e4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2224

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:528

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:2040

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:6220

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
23a1a93f37c6c8b6b4dcc04b3c3431e3

SHA1
d8db22247a327b85d4bc96071044318d7b3ba65c

SHA256
2002da5edf51dca62f53315bb677448ae5f365cdce1971017009528b0ca0c293

SHA512
7add0c505e6af6eda2f4c41a93cefb67479acf38df7ff6614627128bfd6ea76007daa8905f26db9a9efec900dfe721681b8df057965fbb56f2a483e4942e8337

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

MD5
23a1a93f37c6c8b6b4dcc04b3c3431e3

SHA1
d8db22247a327b85d4bc96071044318d7b3ba65c

SHA256
2002da5edf51dca62f53315bb677448ae5f365cdce1971017009528b0ca0c293

SHA512
7add0c505e6af6eda2f4c41a93cefb67479acf38df7ff6614627128bfd6ea76007daa8905f26db9a9efec900dfe721681b8df057965fbb56f2a483e4942e8337

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads