sakula | 11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e

General

Target

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe
Size

100KB
MD5

b24b50554daa566f3917f2ce32946b73
SHA1

1a846ac68bcfb867455f7f466ee72e7084df8016
SHA256

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e
SHA512

7702f617f19547da7bb63f38c732efcf6b03b59a571be2ef563567e81c11f9f7c9802f2f207c4355d085c07a099723ca8d34aad7acb86e02287d1296fb06fe6a

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

1756 MediaCenter.exe

pid	process
1756	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:

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.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"	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.490212"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\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\PeerInfoCount = "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\DownlinkUsageBps = "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\Config	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\DownloadMonthlyRateBkCnt = "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\UploadMonthlyLanBytes = "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\UplinkUsageBps = "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\PriorityDownloadCount = "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\Config\DownloadMode_BackCompat = "1"	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 (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\NormalDownloadCount = "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 (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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892952662897647"	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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.978898"	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\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\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.043828"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\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\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3440 PING.EXE

pid	process
3440	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe
Token: SeBackupPrivilege	2840	TiWorker.exe
Token: SeRestorePrivilege	2840	TiWorker.exe
Token: SeSecurityPrivilege	2840	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.execmd.exe

description	pid	process	target process
PID 1128 wrote to memory of 1756	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	MediaCenter.exe
PID 1128 wrote to memory of 1756	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	MediaCenter.exe
PID 1128 wrote to memory of 1756	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	MediaCenter.exe
PID 1128 wrote to memory of 744	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	cmd.exe
PID 1128 wrote to memory of 744	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	cmd.exe
PID 1128 wrote to memory of 744	1128	11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe	cmd.exe
PID 744 wrote to memory of 3440	744	cmd.exe	PING.EXE
PID 744 wrote to memory of 3440	744	cmd.exe	PING.EXE
PID 744 wrote to memory of 3440	744	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe
"C:\Users\Admin\AppData\Local\Temp\11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1756

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11724aa93bd21b8641051094e1a24ee57fe46fdd3cbb53d14497689f911ea86e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3440

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3852

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:492

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:3872

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:2840

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
dd2fda490cda2977d587ad7d8b565b7c

SHA1
f0960ed0b2d207f37fd0e2358b8d1a59342e7015

SHA256
f89ca2a8fd0bb9e489894abc14d6af0c8d42c4c935ef901743828c3b89348389

SHA512
cb7a80acc645fdcc46ed8766b34c4dc9526916d765afcf4cfc5b82af21d10613b8fbc66ee89f73c4c947ed61af925c2d397641949877f4f6f6da4c7f4cc073d2

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

MD5
dd2fda490cda2977d587ad7d8b565b7c

SHA1
f0960ed0b2d207f37fd0e2358b8d1a59342e7015

SHA256
f89ca2a8fd0bb9e489894abc14d6af0c8d42c4c935ef901743828c3b89348389

SHA512
cb7a80acc645fdcc46ed8766b34c4dc9526916d765afcf4cfc5b82af21d10613b8fbc66ee89f73c4c947ed61af925c2d397641949877f4f6f6da4c7f4cc073d2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads