sakula | 157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005

General

Target

157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
Size

36KB
MD5

2793b5ca4c3e528c429bf01d1c8a8385
SHA1

57ad1d0e6cf88bf98f6cfae327918b791148aacd
SHA256

157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005
SHA512

7f3e6b0f6de69ebe84c424a6dd8742c52495876f1d39ddf049142ecf9b29085e5385f50052f2ca80a73d6729cb21ad15cb4d4500670c0906677b1ca9ff9509d0

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

2504 MediaCenter.exe

pid	process
2504	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:

157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.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"	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	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\Logs\CBS\CBS.log	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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 (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\GroupConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyLinkLocalBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.383373"	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\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\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\MonthlyUploadRestriction = "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\PriorityDownloadCount = "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\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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892897431094960"	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 = "4084"	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\SwarmCount = "1"	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 = "8.695098"	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\DownloadMonthlyLanBytes = "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 = "4268"	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\UploadMonthlyLanBytes = "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\BkDownloadRatePct = "45"	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 (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\DownloadMonthlyCdnBytes = "0"	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\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\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

2728 PING.EXE

pid	process
2728	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe

description	pid	process
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe
Token: SeBackupPrivilege	3292	TiWorker.exe
Token: SeRestorePrivilege	3292	TiWorker.exe
Token: SeSecurityPrivilege	3292	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.execmd.exe

description	pid	process	target process
PID 1744 wrote to memory of 2504	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	MediaCenter.exe
PID 1744 wrote to memory of 2504	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	MediaCenter.exe
PID 1744 wrote to memory of 2504	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	MediaCenter.exe
PID 1744 wrote to memory of 3752	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	cmd.exe
PID 1744 wrote to memory of 3752	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	cmd.exe
PID 1744 wrote to memory of 3752	1744	157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe	cmd.exe
PID 3752 wrote to memory of 2728	3752	cmd.exe	PING.EXE
PID 3752 wrote to memory of 2728	3752	cmd.exe	PING.EXE
PID 3752 wrote to memory of 2728	3752	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe
"C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2504

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157d13860ef71812d20155fb3b066405e779cb18c16f91cb65994ac778cfe005.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3752

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2728

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3800

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:1548

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:3292

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
4934cc53341398f7f9acc646435abe41

SHA1
2da39c9e653e066c4f231e784a82c7dc1d87a3d7

SHA256
5ba78980699aa3767fbea2b38376691f81dd6ad21433038fa44031e8e21d0072

SHA512
9c96f87233ea71c409407061494fd3b0a25602d6a2f2ad7b5cd5f6c1080d75aa61ae9f28fbe2eb48e2e0c7be24a1f4d9bc4075b03ef09d22d650f845d117bcb3

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

MD5
4934cc53341398f7f9acc646435abe41

SHA1
2da39c9e653e066c4f231e784a82c7dc1d87a3d7

SHA256
5ba78980699aa3767fbea2b38376691f81dd6ad21433038fa44031e8e21d0072

SHA512
9c96f87233ea71c409407061494fd3b0a25602d6a2f2ad7b5cd5f6c1080d75aa61ae9f28fbe2eb48e2e0c7be24a1f4d9bc4075b03ef09d22d650f845d117bcb3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads