sakula | 0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f

General

Target

0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe
Size

36KB
MD5

f617b6a2b397829bdae411e5113a828e
SHA1

0aad6ceeec994a868d0fc7d9213c8886f3f764c7
SHA256

0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f
SHA512

dddb2b58be1f11e92d0270d77b7b7e1e22fc6119aa0d16241c512b1d55b8c2bdb8e2a66c7261cb076783799ebd6ae73e4821b3038f9b95efb69e44ee97d12d48

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

3308 MediaCenter.exe

pid	process
3308	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:

0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.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"	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.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\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\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\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "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\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 (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\Config\DODownloadMode = "1"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.132026"	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\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\UploadRatePct = "100"	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
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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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\PriorityDownloadCount = "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\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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125123"	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\DownloadMonthlyGroupBytes = "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\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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3772 PING.EXE

pid	process
3772	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe
Token: SeRestorePrivilege	1180	TiWorker.exe
Token: SeSecurityPrivilege	1180	TiWorker.exe
Token: SeBackupPrivilege	1180	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.execmd.exe

description	pid	process	target process
PID 388 wrote to memory of 3308	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	MediaCenter.exe
PID 388 wrote to memory of 3308	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	MediaCenter.exe
PID 388 wrote to memory of 3308	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	MediaCenter.exe
PID 388 wrote to memory of 1304	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	cmd.exe
PID 388 wrote to memory of 1304	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	cmd.exe
PID 388 wrote to memory of 1304	388	0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe	cmd.exe
PID 1304 wrote to memory of 3772	1304	cmd.exe	PING.EXE
PID 1304 wrote to memory of 3772	1304	cmd.exe	PING.EXE
PID 1304 wrote to memory of 3772	1304	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe
"C:\Users\Admin\AppData\Local\Temp\0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:388

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3308

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0aff03dae48df1c2b1b18eaa102f30b7dcd94bebe824912ec71f6ef1b9af281f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1304

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3772

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3000

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1872

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:1180

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
094bc1890d85c0ffb4ed2c3ed7119f9d

SHA1
dcba445e8084685040e7a4540a5260fbaf1c4877

SHA256
ad3a2b71ea064fd8b07f485c706a0863c4365f69e7f1c475b169c1a2ace3f4e3

SHA512
34af77716fb3cbaeb094aeaa0089459a3ba413af47b1f6e1db50cf42598c7fb706bcbc05de816be4e8813479560eaa0703a8c553b4dc39ecf11cf34d01e2d0ae

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

MD5
094bc1890d85c0ffb4ed2c3ed7119f9d

SHA1
dcba445e8084685040e7a4540a5260fbaf1c4877

SHA256
ad3a2b71ea064fd8b07f485c706a0863c4365f69e7f1c475b169c1a2ace3f4e3

SHA512
34af77716fb3cbaeb094aeaa0089459a3ba413af47b1f6e1db50cf42598c7fb706bcbc05de816be4e8813479560eaa0703a8c553b4dc39ecf11cf34d01e2d0ae

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads