sakula | 136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805

General

Target

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe
Size

99KB
MD5

533b0a9e8e1d2493595cd9405170baa2
SHA1

2ed1ac514e73496ba105c91f8f24157c4e9762d6
SHA256

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805
SHA512

6175717f8f5ec6cc32f2e80ad5c94cffc977bc15ff101a50077e7e45aad40f094add6db8ef14240421089e6dabfb4efb2bd70254aee6f7cc21fb320b8feea545

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

1604 MediaCenter.exe

pid	process
1604	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:

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.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"	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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

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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\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\MemoryUsageKB = "4108"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\PriorityDownloadPendingCount = "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 = "0.833318"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	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\DownloadMonthlyCacheHostBytes = "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\CacheSizeBytes = "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\UploadMonthlyLanBytes = "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 = "132892928806037389"	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\NormalDownloadPendingCount = "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\SwarmCount = "1"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.345545"	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\MemoryUsageKB = "4224"	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\Config\DODownloadMode = "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\LinkLocalConnectionCount = "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\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2448 PING.EXE

pid	process
2448	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe
Token: SeBackupPrivilege	2380	TiWorker.exe
Token: SeRestorePrivilege	2380	TiWorker.exe
Token: SeSecurityPrivilege	2380	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.execmd.exe

description	pid	process	target process
PID 216 wrote to memory of 1604	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	MediaCenter.exe
PID 216 wrote to memory of 1604	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	MediaCenter.exe
PID 216 wrote to memory of 1604	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	MediaCenter.exe
PID 216 wrote to memory of 3824	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	cmd.exe
PID 216 wrote to memory of 3824	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	cmd.exe
PID 216 wrote to memory of 3824	216	136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe	cmd.exe
PID 3824 wrote to memory of 2448	3824	cmd.exe	PING.EXE
PID 3824 wrote to memory of 2448	3824	cmd.exe	PING.EXE
PID 3824 wrote to memory of 2448	3824	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe
"C:\Users\Admin\AppData\Local\Temp\136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1604

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\136907696268786d71a359f14731b1bf7319c42e112804f985b8f407babb5805.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3824

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2448

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:2552

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:2380

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
adb56735b7fa5221ffe3ccf1c4e026d6

SHA1
1c9ddca92d68aee641b92f6e840390600dc93458

SHA256
c2c5e1f3ba36d8a627b30dd70c5db17723eafb7d1971c53ecc75cfece4bba786

SHA512
78f34b8a6d391256245d1e72e32c20510d7825a46896816b684704dc57418da33bb257b2b57b4c0926c2163ed7ffabd6132271145eb38114c395da5e70dd7586

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

MD5
adb56735b7fa5221ffe3ccf1c4e026d6

SHA1
1c9ddca92d68aee641b92f6e840390600dc93458

SHA256
c2c5e1f3ba36d8a627b30dd70c5db17723eafb7d1971c53ecc75cfece4bba786

SHA512
78f34b8a6d391256245d1e72e32c20510d7825a46896816b684704dc57418da33bb257b2b57b4c0926c2163ed7ffabd6132271145eb38114c395da5e70dd7586

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads