sakula | 12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4

General

Target

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe
Size

35KB
MD5

f640997f50eb0d46efc1e8278f9478c3
SHA1

382a16c273096771972c8d651f0721113b4034ef
SHA256

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4
SHA512

f80f231958be8557c570388c4bef2c792a5d7a84fd6c5850842a3e5c59403a47ec0c4209933755846d2ae0a0cedf63731a31a7c8afeaa7db65179bc3a5580120

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

1824 MediaCenter.exe

pid	process
1824	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:

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.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"	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.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 46 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\SwarmCount = "1"	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\GroupConnectionCount = "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\UploadRatePct = "100"	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\NormalDownloadCount = "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\MonthID = "2"	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\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\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\DownloadMonthlyInternetBytes = "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\NormalDownloadPendingCount = "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\Config	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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4092"	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\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\Config\DODownloadMode = "1"	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\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.130209"	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\Settings	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\CacheSizeBytes = "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\UplinkBps = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.547870"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2616 PING.EXE

pid	process
2616	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe
Token: SeBackupPrivilege	3860	TiWorker.exe
Token: SeRestorePrivilege	3860	TiWorker.exe
Token: SeSecurityPrivilege	3860	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.execmd.exe

description	pid	process	target process
PID 2184 wrote to memory of 1824	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	MediaCenter.exe
PID 2184 wrote to memory of 1824	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	MediaCenter.exe
PID 2184 wrote to memory of 1824	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	MediaCenter.exe
PID 2184 wrote to memory of 1992	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	cmd.exe
PID 2184 wrote to memory of 1992	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	cmd.exe
PID 2184 wrote to memory of 1992	2184	12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe	cmd.exe
PID 1992 wrote to memory of 2616	1992	cmd.exe	PING.EXE
PID 1992 wrote to memory of 2616	1992	cmd.exe	PING.EXE
PID 1992 wrote to memory of 2616	1992	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe
"C:\Users\Admin\AppData\Local\Temp\12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2184

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1824

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12337e76955cadf935e3a19f4020b27ee01c0a4effff2fc13d5ea85a614545a4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2616

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1512

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1588

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:3860

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
1e5c42cbb50c88f04a26da6d47b7ee31

SHA1
3522453e6f1ab795c0448a14c4206e21675068ed

SHA256
42e7a62498f9031a8710e80068b7f9043eb5997a5f7da19222420cb34c1ac1ed

SHA512
b2623573fda0c977bf8d82917dc9bd762c8096608797af8232d0f08ace62e3f91e694fb15df8d9d442cf42aef4a521b27c3e71336f5f978998f92a6522b4083f

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

MD5
1e5c42cbb50c88f04a26da6d47b7ee31

SHA1
3522453e6f1ab795c0448a14c4206e21675068ed

SHA256
42e7a62498f9031a8710e80068b7f9043eb5997a5f7da19222420cb34c1ac1ed

SHA512
b2623573fda0c977bf8d82917dc9bd762c8096608797af8232d0f08ace62e3f91e694fb15df8d9d442cf42aef4a521b27c3e71336f5f978998f92a6522b4083f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads