sakula | 1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24

General

Target

1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe
Size

35KB
MD5

b0485d4ea0bf57669f73eb699b243802
SHA1

1c80bc5a4c8457bede6ce6ebbf0d797d51878a3a
SHA256

1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24
SHA512

a021c92a03ecea396371e322131eaa6eb9e1572020e165f0da4a1ce5a72d563f0cd69886a8aa8c76f0f06f475d0ac9efc38adb0a4925633bba5631ee6f6e0a52

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

3092 MediaCenter.exe

pid	process
3092	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:

1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.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"	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.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 53 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthID = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\DownloadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892971605758941"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.670081"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.777777"	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\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\DownlinkBps = "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
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\UploadMonthlyInternetBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143162"	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\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\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\PriorityDownloadCount = "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\DODownloadMode = "1"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	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\DownloadMonthlyCdnBytes = "90228624"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	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\SwarmCount = "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\GroupConnectionCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\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\DownlinkUsageBps = "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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3120 PING.EXE

pid	process
3120	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe

description	pid	process
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe
Token: SeBackupPrivilege	468	TiWorker.exe
Token: SeRestorePrivilege	468	TiWorker.exe
Token: SeSecurityPrivilege	468	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.execmd.exe

description	pid	process	target process
PID 2260 wrote to memory of 3092	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	MediaCenter.exe
PID 2260 wrote to memory of 3092	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	MediaCenter.exe
PID 2260 wrote to memory of 3092	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	MediaCenter.exe
PID 2260 wrote to memory of 1692	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	cmd.exe
PID 2260 wrote to memory of 1692	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	cmd.exe
PID 2260 wrote to memory of 1692	2260	1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe	cmd.exe
PID 1692 wrote to memory of 3120	1692	cmd.exe	PING.EXE
PID 1692 wrote to memory of 3120	1692	cmd.exe	PING.EXE
PID 1692 wrote to memory of 3120	1692	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe
"C:\Users\Admin\AppData\Local\Temp\1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3092

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1021c155b561d64e142af32a9589260a5d25afc95653b9ded156bdfb04a12c24.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3120

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2240

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:1956

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:468

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
1782298b2f61fa561e9e7fb13af3f073

SHA1
d8a9eebf183e1c481486549a2803d884e91155c2

SHA256
bbb7859d740e0625893ee42ef3a432b91707ffda8e0e009cd986e323c6e6c94a

SHA512
d2a8cfc0324e3bb415fabdac7d9e660247d09aa624551ca21c12bca91e0cdd368415915dea9849999aeb8c67e091b0284b8ffc5059e0814b8b9ed7245d9c0a99

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

MD5
1782298b2f61fa561e9e7fb13af3f073

SHA1
d8a9eebf183e1c481486549a2803d884e91155c2

SHA256
bbb7859d740e0625893ee42ef3a432b91707ffda8e0e009cd986e323c6e6c94a

SHA512
d2a8cfc0324e3bb415fabdac7d9e660247d09aa624551ca21c12bca91e0cdd368415915dea9849999aeb8c67e091b0284b8ffc5059e0814b8b9ed7245d9c0a99

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads