sakula | 0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088

General

Target

0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe
Size

58KB
MD5

02373a00d8dece4b46e0f7b742175a68
SHA1

bed85df05f74082122af987e5e9907451ba49525
SHA256

0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088
SHA512

9735a1de658ed1aff21d7a6a1126fead7fcccb19f99c58aa2965adf964be622250497610efc8a4d83e9f1d2c837a4b56dea6e91fbda4d29ab16f589e5e7ca6b3

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

820 MediaCenter.exe

pid	process
820	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:

0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.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"	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "3876"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\CDNConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\Usage	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\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\Config\KVFileExpirationTime = "132893078602646086"	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\NormalDownloadCount = "0"	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\Usage\DownloadMonthlyInternetBytes = "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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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\DownloadMonthlyGroupBytes = "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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.703733"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\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 = "2.884556"	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\PeerInfoCount = "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\MemoryUsageKB = "4196"	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\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\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3148 PING.EXE

pid	process
3148	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe
Token: SeRestorePrivilege	2088	TiWorker.exe
Token: SeSecurityPrivilege	2088	TiWorker.exe
Token: SeBackupPrivilege	2088	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.execmd.exe

description	pid	process	target process
PID 1884 wrote to memory of 820	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	MediaCenter.exe
PID 1884 wrote to memory of 820	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	MediaCenter.exe
PID 1884 wrote to memory of 820	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	MediaCenter.exe
PID 1884 wrote to memory of 792	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	cmd.exe
PID 1884 wrote to memory of 792	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	cmd.exe
PID 1884 wrote to memory of 792	1884	0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe	cmd.exe
PID 792 wrote to memory of 3148	792	cmd.exe	PING.EXE
PID 792 wrote to memory of 3148	792	cmd.exe	PING.EXE
PID 792 wrote to memory of 3148	792	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe
"C:\Users\Admin\AppData\Local\Temp\0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1884

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:820

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a3abd1b4ac0124d2e8c6d3624806ba9916710b86ba9e1a88e41bb085db80088.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:792

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3148

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2408

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:4048

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:2088

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
77e30f0945bc046d6967858003fc30de

SHA1
0dcf8e72e9022bd5ac58d8f147af9af8b0144a41

SHA256
b304a389b4215452af39a76a29316260a64da06f0a64972372b1cdb12a2e83ff

SHA512
1d97fba127a10fabdfaa32d264ae6101532400c538da029454285b495c11417803e16c652df0043b3ad8699b8f891949dc2d58d8033e92cda93a88215a10a162

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
77e30f0945bc046d6967858003fc30de

SHA1
0dcf8e72e9022bd5ac58d8f147af9af8b0144a41

SHA256
b304a389b4215452af39a76a29316260a64da06f0a64972372b1cdb12a2e83ff

SHA512
1d97fba127a10fabdfaa32d264ae6101532400c538da029454285b495c11417803e16c652df0043b3ad8699b8f891949dc2d58d8033e92cda93a88215a10a162

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads