sakula | 15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb

General

Target

15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe
Size

36KB
MD5

dc5f795be17f53bfa6fa2a34dcf4dc2a
SHA1

6648f9e64e9c67106e550bef4b739d18592b9d3e
SHA256

15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb
SHA512

7a40b93091da07689aa613c1b0caf1d9bf038499d355cddf42b7dab16ea1fa32481a2dba020cf9d00540e079a2a2f70dbf453f3255508a104de2cf1644ab6dfa

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

3588 MediaCenter.exe

pid	process
3588	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:

15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.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"	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.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
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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	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\DownloadMode_BackCompat = "1"	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\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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "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\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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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 = "4116"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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 (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\DownlinkBps = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.062035"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\UploadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.608187"	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\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\LinkLocalConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.172861"	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\LANConnectionCount = "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 (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 = "3976"	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 = "132892904565732971"	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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2764 PING.EXE

pid	process
2764	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe

description	pid	process
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.execmd.exe

description	pid	process	target process
PID 1496 wrote to memory of 3588	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	MediaCenter.exe
PID 1496 wrote to memory of 3588	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	MediaCenter.exe
PID 1496 wrote to memory of 3588	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	MediaCenter.exe
PID 1496 wrote to memory of 1272	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	cmd.exe
PID 1496 wrote to memory of 1272	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	cmd.exe
PID 1496 wrote to memory of 1272	1496	15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe	cmd.exe
PID 1272 wrote to memory of 2764	1272	cmd.exe	PING.EXE
PID 1272 wrote to memory of 2764	1272	cmd.exe	PING.EXE
PID 1272 wrote to memory of 2764	1272	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe
"C:\Users\Admin\AppData\Local\Temp\15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3588

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15307b0f0bfedccb29eb5ca8f55671fe5667142d8f655706e149ecd8645a96cb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2764

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:800

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:2648

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:2744

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
86ba43886bb4eaa0b7bb72c351011430

SHA1
3daca183f6ce64cd189f2a88c62a26536a41c3d9

SHA256
8f31aab51a1b2143a394335ef3be75c7bf9b20d3edd2735846b2ce3980f9e4f5

SHA512
afe39146741393a9953c2d5773563e5574351ba68a2bce01d5da62d35c7c0054fbd938b71e4839278a34c38b441063db92f8ddc342d5461dfb151d90deb842ec

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

MD5
86ba43886bb4eaa0b7bb72c351011430

SHA1
3daca183f6ce64cd189f2a88c62a26536a41c3d9

SHA256
8f31aab51a1b2143a394335ef3be75c7bf9b20d3edd2735846b2ce3980f9e4f5

SHA512
afe39146741393a9953c2d5773563e5574351ba68a2bce01d5da62d35c7c0054fbd938b71e4839278a34c38b441063db92f8ddc342d5461dfb151d90deb842ec

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads