sakula | 0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7

General

Target

0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe
Size

99KB
MD5

06e29477ad6a08d8ce82eeaeccc1b1c2
SHA1

58f8cf45db82781295bedea437215f26e1420b3e
SHA256

0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7
SHA512

15fce6680c59efe9d4c083232e86b3514cbbbf699e4189feb082e356ef33f2b7808975370b2720f9cc242f638b774fca2531d8b94934a7120c223522e7dff357

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

1932 MediaCenter.exe

pid	process
1932	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:

0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.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"	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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 (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\PriorityDownloadCount = "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\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 (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
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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893074280941827"	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\Usage\CPUpct = "33.333855"	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\MonthID = "2"	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\CDNConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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
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\SwarmCount = "0"	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
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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.823477"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4396"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006569"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3988"	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\PriorityDownloadPendingCount = "0"	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\Settings	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\DownloadMonthlyLanBytes = "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\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2648 PING.EXE

pid	process
2648	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe

description	pid	process
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe
Token: SeBackupPrivilege	3004	TiWorker.exe
Token: SeRestorePrivilege	3004	TiWorker.exe
Token: SeSecurityPrivilege	3004	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.execmd.exe

description	pid	process	target process
PID 2800 wrote to memory of 1932	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	MediaCenter.exe
PID 2800 wrote to memory of 1932	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	MediaCenter.exe
PID 2800 wrote to memory of 1932	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	MediaCenter.exe
PID 2800 wrote to memory of 1288	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	cmd.exe
PID 2800 wrote to memory of 1288	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	cmd.exe
PID 2800 wrote to memory of 1288	2800	0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe	cmd.exe
PID 1288 wrote to memory of 2648	1288	cmd.exe	PING.EXE
PID 1288 wrote to memory of 2648	1288	cmd.exe	PING.EXE
PID 1288 wrote to memory of 2648	1288	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe
"C:\Users\Admin\AppData\Local\Temp\0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1932

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a8c9522cc456b70144f5c912aa6aef5bdc93054e94af4c74e4775318c7248a7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2648

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2280

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:1852

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:3004

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
9a58917ce968ceb9e6640a0dbe2abd37

SHA1
c1f97eea868c27ec05abf5471fd61533e54d13b3

SHA256
d5599e934c73e95a864027e20c7c59c9b7f59d23ec9043dc2b9d0aa65d9936f0

SHA512
fc811a9c67c7c3e100a9daff7ac585cc873cb4db611b2341999856243b8f326f8b5fef0816f0943b1384aa86d5b56c50987416afe8bcbbbe71f2a8e4e3817775

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9a58917ce968ceb9e6640a0dbe2abd37

SHA1
c1f97eea868c27ec05abf5471fd61533e54d13b3

SHA256
d5599e934c73e95a864027e20c7c59c9b7f59d23ec9043dc2b9d0aa65d9936f0

SHA512
fc811a9c67c7c3e100a9daff7ac585cc873cb4db611b2341999856243b8f326f8b5fef0816f0943b1384aa86d5b56c50987416afe8bcbbbe71f2a8e4e3817775

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads