sakula | 138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e

General

Target

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe
Size

99KB
MD5

ead73ae3957f901273d63f28fce84c87
SHA1

75ad8d915e0ba261c63306e509b77188fbedd703
SHA256

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e
SHA512

06ceefee7d1e569a64414fb390faa59027c5643b058a1e9f16eef1f7b922b267f00cc731da7d7d87ae53db9ee3e366d43438cfad9001c7dd333da9ff534a47bb

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

2480 MediaCenter.exe

pid	process
2480	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:

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.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"	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144608"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\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\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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.150502"	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\Config	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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "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\LinkLocalConnectionCount = "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 = "4196"	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\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\NormalDownloadPendingCount = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	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
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\UploadMonthlyLanBytes = "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\DownlinkUsageBps = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1176 PING.EXE

pid	process
1176	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe
Token: SeBackupPrivilege	2128	TiWorker.exe
Token: SeRestorePrivilege	2128	TiWorker.exe
Token: SeSecurityPrivilege	2128	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.execmd.exe

description	pid	process	target process
PID 1488 wrote to memory of 2480	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	MediaCenter.exe
PID 1488 wrote to memory of 2480	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	MediaCenter.exe
PID 1488 wrote to memory of 2480	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	MediaCenter.exe
PID 1488 wrote to memory of 1464	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	cmd.exe
PID 1488 wrote to memory of 1464	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	cmd.exe
PID 1488 wrote to memory of 1464	1488	138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe	cmd.exe
PID 1464 wrote to memory of 1176	1464	cmd.exe	PING.EXE
PID 1464 wrote to memory of 1176	1464	cmd.exe	PING.EXE
PID 1464 wrote to memory of 1176	1464	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe
"C:\Users\Admin\AppData\Local\Temp\138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2480

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\138e44e1be8013d7efe94968e28fd0d111e67e2efb723d5cb0051d2874708a8e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1176

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3392

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:4080

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:2128

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
4820c6f60bda0995c8f187c9a7a773d6

SHA1
bb8f8454478f6bcb263787c4edc6a9b1072ddd72

SHA256
0bd713d3b6e70252ddeae33642b493f5d960bb2ea53a9e60eb180c7ef2b37a61

SHA512
5c4a1a0e7ca13cdb9c01a8de43fc14792788ec61928f5e8915843a09238db1063ac10f3c7b0b4fed31b555d6fca547ef4223db041cd7394e110dd7f450e161a3

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

MD5
4820c6f60bda0995c8f187c9a7a773d6

SHA1
bb8f8454478f6bcb263787c4edc6a9b1072ddd72

SHA256
0bd713d3b6e70252ddeae33642b493f5d960bb2ea53a9e60eb180c7ef2b37a61

SHA512
5c4a1a0e7ca13cdb9c01a8de43fc14792788ec61928f5e8915843a09238db1063ac10f3c7b0b4fed31b555d6fca547ef4223db041cd7394e110dd7f450e161a3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads