sakula | 1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73

General

Target

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe
Size

36KB
MD5

bb1dd70f1937e9432c5e167fb824cc05
SHA1

0ec9c1556a04d08be12f12b9de436c507edc5644
SHA256

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73
SHA512

f46c8a4ad866342ce34da25061290433ab72ea18ad08c97a984d4761e3858802e8048e9f6bafa59cdcc62ede6f539a7f87d1572197892750bca02177e225123c

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

3316 MediaCenter.exe

pid	process
3316	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:

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.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"	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkBps = "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\UploadMonthlyInternetBytes = "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\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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	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\MonthID = "2"	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\PeerInfoCount = "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\Usage\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\Usage\CDNConnectionCount = "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\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\DownloadMonthlyCdnBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.444032"	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\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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892957478006974"	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\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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.114068"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.106610"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1880 PING.EXE

pid	process
1880	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe
Token: SeBackupPrivilege	3620	TiWorker.exe
Token: SeRestorePrivilege	3620	TiWorker.exe
Token: SeSecurityPrivilege	3620	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.execmd.exe

description	pid	process	target process
PID 3724 wrote to memory of 3316	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	MediaCenter.exe
PID 3724 wrote to memory of 3316	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	MediaCenter.exe
PID 3724 wrote to memory of 3316	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	MediaCenter.exe
PID 3724 wrote to memory of 3716	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	cmd.exe
PID 3724 wrote to memory of 3716	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	cmd.exe
PID 3724 wrote to memory of 3716	3724	1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe	cmd.exe
PID 3716 wrote to memory of 1880	3716	cmd.exe	PING.EXE
PID 3716 wrote to memory of 1880	3716	cmd.exe	PING.EXE
PID 3716 wrote to memory of 1880	3716	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe
"C:\Users\Admin\AppData\Local\Temp\1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1123112640f1cf1b6cba755e58263fd1f117bda516395e3ee15c1a63c6a51b73.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1880

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3396

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:3724

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:3620

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
2e77ff416ce4bacd1ac6fcfe123ffdb5

SHA1
c20a7c3f814f6bed16cba6dd3c06fd31d1eb4d43

SHA256
e35cfcf281aae835a2bf44a5afe0d5e950dd697c08d5d7bcfa397e5cc2598e61

SHA512
70643e58192f7a4c5425d6cbf8d7104181f13d091080db2b0e1101ff786ac349bd48cce95ac0f38880326cba819628c275ef6b0b0bfff99d6347e25ba06b70af

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

MD5
2e77ff416ce4bacd1ac6fcfe123ffdb5

SHA1
c20a7c3f814f6bed16cba6dd3c06fd31d1eb4d43

SHA256
e35cfcf281aae835a2bf44a5afe0d5e950dd697c08d5d7bcfa397e5cc2598e61

SHA512
70643e58192f7a4c5425d6cbf8d7104181f13d091080db2b0e1101ff786ac349bd48cce95ac0f38880326cba819628c275ef6b0b0bfff99d6347e25ba06b70af

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads