sakula | 0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31

General

Target

0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe
Size

60KB
MD5

e4b5e7afe9157a0cd2e05df6531458b3
SHA1

748bc066eb71c42e6038f00c4779a52805833f80
SHA256

0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31
SHA512

0d19977701bab6eaadd7a7304801628d50050dbccfccca891ae6c0b41f979c4e228de25db7df62c6d946a043e3ccfe2e517eecd9fc09cd14366a96791dd708ec

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

3920 MediaCenter.exe

pid	process
3920	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:

0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.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"	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "0"	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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.331094"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013198"	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\DownloadMonthlyRateBkCnt = "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\UploadCount = "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\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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4060"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.000781"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\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\DownloadMonthlyRateFrCnt = "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\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\UploadRatePct = "100"	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\SwarmCount = "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\Config\DownloadMode_BackCompat = "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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	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 = "5.294275"	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\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\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\Config\KVFileExpirationTime = "132893075522154213"	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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4084 PING.EXE

pid	process
4084	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe

description	pid	process
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeIncBasePriorityPrivilege	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe
Token: SeBackupPrivilege	2264	TiWorker.exe
Token: SeRestorePrivilege	2264	TiWorker.exe
Token: SeSecurityPrivilege	2264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.execmd.exe

description	pid	process	target process
PID 64 wrote to memory of 3920	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	MediaCenter.exe
PID 64 wrote to memory of 3920	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	MediaCenter.exe
PID 64 wrote to memory of 3920	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	MediaCenter.exe
PID 64 wrote to memory of 1472	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	cmd.exe
PID 64 wrote to memory of 1472	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	cmd.exe
PID 64 wrote to memory of 1472	64	0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe	cmd.exe
PID 1472 wrote to memory of 4084	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 4084	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 4084	1472	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe
"C:\Users\Admin\AppData\Local\Temp\0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:64

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3920

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a7810bdce1fb4be0f5e28e2163fdd301d0e6750c14979f5c58ac2d8ecc5ea31.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4084

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3936

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:564

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:2264

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
5a7b5a557306f6d9d2b58a22f3269e6c

SHA1
7f496464ce6999c9f74d9717cca7f2017389fe6b

SHA256
d50d0dcc669858baad920a309bc57263c5244277ec20380ca6946b8da8ab7129

SHA512
fac02c4dae8715c5a3e96e612e9ffcb2a9f29d57c13ed19ac99a568af52b05563f76075660e0aafad4a6ed1a8f80b240396b7d4ee20011a0caa55e0938a5467c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
5a7b5a557306f6d9d2b58a22f3269e6c

SHA1
7f496464ce6999c9f74d9717cca7f2017389fe6b

SHA256
d50d0dcc669858baad920a309bc57263c5244277ec20380ca6946b8da8ab7129

SHA512
fac02c4dae8715c5a3e96e612e9ffcb2a9f29d57c13ed19ac99a568af52b05563f76075660e0aafad4a6ed1a8f80b240396b7d4ee20011a0caa55e0938a5467c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads