sakula | 15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4

General

Target

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe
Size

176KB
MD5

0c4ff7bc5d60f6c5dbffdaff55451c62
SHA1

cc436a24dc02eff8090e8245c32871a05a1f441d
SHA256

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4
SHA512

d906f43cfbfc1cad8651762424feca5331850877aabeedd0bb43ea82d69d019a7d5b7911a7a55966e633e707d42c781a454437adef6b8ea1f1aacb5a4db97633

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 3 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
behavioral2/memory/3080-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2000 MediaCenter.exe

pid	process
2000	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:

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.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"	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 45 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 (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\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\LinkLocalConnectionCount = "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 = "0.146771"	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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\MemoryUsageKB = "4144"	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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	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\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\DownloadMonthlyRateFrBps = "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\FrDownloadRatePct = "90"	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\PriorityDownloadCount = "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\MonthID = "2"	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\CDNConnectionCount = "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\MemoryUsageKB = "4120"	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\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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3476 PING.EXE

pid	process
3476	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.execmd.exe

description	pid	process	target process
PID 3080 wrote to memory of 2000	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	MediaCenter.exe
PID 3080 wrote to memory of 2000	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	MediaCenter.exe
PID 3080 wrote to memory of 2000	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	MediaCenter.exe
PID 3080 wrote to memory of 4020	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	cmd.exe
PID 3080 wrote to memory of 4020	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	cmd.exe
PID 3080 wrote to memory of 4020	3080	15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe	cmd.exe
PID 4020 wrote to memory of 3476	4020	cmd.exe	PING.EXE
PID 4020 wrote to memory of 3476	4020	cmd.exe	PING.EXE
PID 4020 wrote to memory of 3476	4020	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe
"C:\Users\Admin\AppData\Local\Temp\15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3080

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15e2dcf3581688410688cb4eab5b6933b552868dde6a0df915d8737ad69d2fc4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3476

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- 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:3936

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
015305822491e0cf1d4c1a8c1a354113

SHA1
e7987b467433317bf116f4095c5463f7b35f63bc

SHA256
cea2be128199cbb80757adbc4996d94b19b2bdfb5f2aca1b848c0393099ec5c2

SHA512
3b358aacc3ccaed9dff2616282634747149480ef86ee43513300d5f516dd682607c3ccacb43ac3347733ef9b23d6fe1af9e4ca5bc757be9af33e4a7a013e7309

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

MD5
015305822491e0cf1d4c1a8c1a354113

SHA1
e7987b467433317bf116f4095c5463f7b35f63bc

SHA256
cea2be128199cbb80757adbc4996d94b19b2bdfb5f2aca1b848c0393099ec5c2

SHA512
3b358aacc3ccaed9dff2616282634747149480ef86ee43513300d5f516dd682607c3ccacb43ac3347733ef9b23d6fe1af9e4ca5bc757be9af33e4a7a013e7309

Download Submit
memory/3080-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads