sakula | 0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47

General

Target

0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe
Size

92KB
MD5

06c22464351949026f8810514582efbd
SHA1

37df999fbf90ca016214432c1a2405efb0261823
SHA256

0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47
SHA512

dcf84f9467d656303206bf2698ac83cc1d10b493a58d2cb6e3bab30fbfce5e2c84d8d1814517f5e45dde35e67523b50214ec4053102dae0db13ee85d6df577dd

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

2420 MediaCenter.exe

pid	process
2420	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:

0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.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"	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.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\Config\DODownloadMode = "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\UploadCount = "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\MemoryUsageKB = "4060"	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\UploadRatePct = "100"	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\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\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 (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\Usage\MemoryUsageKB = "4296"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4000"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893022879245566"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateFrCnt = "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\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\GroupConnectionCount = "0"	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 = "9.805360"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.498150"	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\DownloadMode_BackCompat = "1"	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\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\UplinkUsageBps = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019698"	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\SwarmCount = "1"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3872 PING.EXE

pid	process
3872	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe
Token: SeRestorePrivilege	3136	TiWorker.exe
Token: SeSecurityPrivilege	3136	TiWorker.exe
Token: SeBackupPrivilege	3136	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.execmd.exe

description	pid	process	target process
PID 3264 wrote to memory of 2420	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	MediaCenter.exe
PID 3264 wrote to memory of 2420	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	MediaCenter.exe
PID 3264 wrote to memory of 2420	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	MediaCenter.exe
PID 3264 wrote to memory of 2504	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	cmd.exe
PID 3264 wrote to memory of 2504	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	cmd.exe
PID 3264 wrote to memory of 2504	3264	0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe	cmd.exe
PID 2504 wrote to memory of 3872	2504	cmd.exe	PING.EXE
PID 2504 wrote to memory of 3872	2504	cmd.exe	PING.EXE
PID 2504 wrote to memory of 3872	2504	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe
"C:\Users\Admin\AppData\Local\Temp\0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3264

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2420

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c96e00105b3325b956d7703d645564f42c138aee4f94d54dc61476e2dc04d47.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3872

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3408

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:1976

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:3136

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
1d68c0d4c9893d6706da906601f999a0

SHA1
25ade863e47ae2f6eed34e656ec4ab3dc3c44c70

SHA256
56eaabf996eaa38f5010725431ed84e0a8ca78ca9bcdea129c406365a4093e0a

SHA512
c5808f9ac0aaf7596aa85b1525b5bf7ed51b6e490bd3217f779e411a33e529774a37a198841b89a99c3fc1e7b34428c9c7e0dc09a497a4013ca486b4f4b17c84

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

MD5
1d68c0d4c9893d6706da906601f999a0

SHA1
25ade863e47ae2f6eed34e656ec4ab3dc3c44c70

SHA256
56eaabf996eaa38f5010725431ed84e0a8ca78ca9bcdea129c406365a4093e0a

SHA512
c5808f9ac0aaf7596aa85b1525b5bf7ed51b6e490bd3217f779e411a33e529774a37a198841b89a99c3fc1e7b34428c9c7e0dc09a497a4013ca486b4f4b17c84

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads