sakula | 103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a

General

Target

103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe
Size

99KB
MD5

f3a366c134ea0f76db4aa74c7dedae67
SHA1

d09f4e1a6976ac10509bb76cc94878d0d26ba842
SHA256

103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a
SHA512

8e2a1f85adb0ccd896b5e4fb8bf6e6f86064008857ed9ecf9f6a9d733a2ff278fb0b945e93c87d222e19fc627aff712e5229e513a49fdca603c5584e845c8eea

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

1952 MediaCenter.exe

pid	process
1952	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:

103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.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"	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\Usage\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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\PriorityDownloadCount = "0"	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\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\GroupConnectionCount = "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\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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4396"	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\LinkLocalConnectionCount = "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\UploadCount = "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 = "0.173077"	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\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\MonthID = "2"	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\MonthlyUploadRestriction = "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\PeerInfoCount = "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 = "4284"	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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2552 PING.EXE

pid	process
2552	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe
Token: SeRestorePrivilege	2572	TiWorker.exe
Token: SeSecurityPrivilege	2572	TiWorker.exe
Token: SeBackupPrivilege	2572	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.execmd.exe

description	pid	process	target process
PID 3764 wrote to memory of 1952	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	MediaCenter.exe
PID 3764 wrote to memory of 1952	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	MediaCenter.exe
PID 3764 wrote to memory of 1952	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	MediaCenter.exe
PID 3764 wrote to memory of 1780	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	cmd.exe
PID 3764 wrote to memory of 1780	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	cmd.exe
PID 3764 wrote to memory of 1780	3764	103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe	cmd.exe
PID 1780 wrote to memory of 2552	1780	cmd.exe	PING.EXE
PID 1780 wrote to memory of 2552	1780	cmd.exe	PING.EXE
PID 1780 wrote to memory of 2552	1780	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3552

C:\Users\Admin\AppData\Local\Temp\103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe
"C:\Users\Admin\AppData\Local\Temp\103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3764

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\103630b1bf5950ccae2337b0d7fd61449f5022de8384a84a39ab6356d120f29a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2552

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3444

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:2572

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
22396bc1056292209f9883fdc084dde0

SHA1
f1f089d6a4980cd59de2b5ae5f7edd674a26ef49

SHA256
e5540288419b4cc34ebc291b8164f5e4b5375543d17b5c7a150e486584d300ff

SHA512
0e8b9fee1233c8cfb468e99b2e6bd921f6e0fc7eb5d4710e236c5bc4cc337b335788fac9af2da3732c64dc8cfe7d1cf061a33c5345ac5f452b8126103e794e3d

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

MD5
22396bc1056292209f9883fdc084dde0

SHA1
f1f089d6a4980cd59de2b5ae5f7edd674a26ef49

SHA256
e5540288419b4cc34ebc291b8164f5e4b5375543d17b5c7a150e486584d300ff

SHA512
0e8b9fee1233c8cfb468e99b2e6bd921f6e0fc7eb5d4710e236c5bc4cc337b335788fac9af2da3732c64dc8cfe7d1cf061a33c5345ac5f452b8126103e794e3d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads