sakula | 13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce

General

Target

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe
Size

79KB
MD5

14628935ff245209e97ca97bc77dbe2c
SHA1

190d46c11b3c719242389c38b8e6470bf7afb060
SHA256

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce
SHA512

179a0202471d6edac02d7aa57e2357cfd212677713595efdb2273b127ca9558ae5270d26afc4bd98a628079e015b59e349f2befb468265dec0f37a7614caa341

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 1 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3996 MediaCenter.exe

pid	process
3996	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:

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.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"	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadCount = "0"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892920723739323"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\BkDownloadRatePct = "45"	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\UploadMonthlyInternetBytes = "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\LANConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.500020"	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\DownloadMonthlyCdnBytes = "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\DownlinkBps = "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\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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.000435"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.762197"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3792 PING.EXE

pid	process
3792	PING.EXE

Suspicious use of AdjustPrivilegeToken 57 IoCs

Processes:

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe
Token: SeSecurityPrivilege	452	TiWorker.exe
Token: SeBackupPrivilege	452	TiWorker.exe
Token: SeRestorePrivilege	452	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.execmd.exe

description	pid	process	target process
PID 4048 wrote to memory of 3996	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	MediaCenter.exe
PID 4048 wrote to memory of 3996	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	MediaCenter.exe
PID 4048 wrote to memory of 3996	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	MediaCenter.exe
PID 4048 wrote to memory of 1212	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	cmd.exe
PID 4048 wrote to memory of 1212	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	cmd.exe
PID 4048 wrote to memory of 1212	4048	13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe	cmd.exe
PID 1212 wrote to memory of 3792	1212	cmd.exe	PING.EXE
PID 1212 wrote to memory of 3792	1212	cmd.exe	PING.EXE
PID 1212 wrote to memory of 3792	1212	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe
"C:\Users\Admin\AppData\Local\Temp\13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3996

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13e9ab0d9afb78256fcb3507b369a91db3adab00d35a1c6ce1ea13bfd0bb20ce.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1212

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3792

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1108

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:1776

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:452

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
23a5178704c4187105d61011d6032254

SHA1
321d0030b60e8ae17186ba4696dc5ac45dd8fec3

SHA256
4888bf11536c433faaa480263f9167aa33f8fbd3d012e45363eec616d8bc969d

SHA512
e30fad665575321f91b11783677e0582901af7b3d4491019c7a763803c79fd0ec2a7a85473e19ed2d8cf01d257e08ec985389ee939c6738b82ddab5ae593c43f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads