sakula | 1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023

General

Target

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe
Size

216KB
MD5

5f70b4b2ec4e7e912361b1953e7ceee3
SHA1

9b3a5c74058347287b8d282af16309c7480ad317
SHA256

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023
SHA512

4e7f654449c5060a7c08a8a81d2144e41010b6135eb5760470b1e6ec8763ea87d967fff817060ae2b8bcf3dd5fa1dd81c62e1bd0c28718a416e4a887611f14b4

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/3816-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3176 MediaCenter.exe

pid	process
3176	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:

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.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"	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.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 19 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\DownloadMonthlyCdnBytes = "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\MonthID = "2"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\Config\DODownloadMode = "1"	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\UploadMonthlyLanBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

760 PING.EXE

pid	process
760	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe
Token: SeBackupPrivilege	364	TiWorker.exe
Token: SeRestorePrivilege	364	TiWorker.exe
Token: SeSecurityPrivilege	364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.execmd.exe

description	pid	process	target process
PID 3816 wrote to memory of 3176	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	MediaCenter.exe
PID 3816 wrote to memory of 3176	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	MediaCenter.exe
PID 3816 wrote to memory of 3176	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	MediaCenter.exe
PID 3816 wrote to memory of 3780	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	cmd.exe
PID 3816 wrote to memory of 3780	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	cmd.exe
PID 3816 wrote to memory of 3780	3816	1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe	cmd.exe
PID 3780 wrote to memory of 760	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 760	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 760	3780	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe
"C:\Users\Admin\AppData\Local\Temp\1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3176

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1559a6dfd08f3cce1c6bc2fa520ef8750b868f14951ff10d4c6038e0940da023.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3780

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:760

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1460

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2508

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:364

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
34b17791dfe3f6c0a2a6aaeb80f4242c

SHA1
94ff0844864afcd621cf34758bb8c7e811714e7f

SHA256
41144e6e6f3fdc2e856a8fbcbce45760129f27ddbc45acb684f22658c9039a2a

SHA512
a641ccc2632e873ae6f770e0e13c7c43e60e6ec6ec3d32f80dc70f2ace8d57de04f3ca07bf1c5dc07857445305461da2d543ac3a36de976505b1b9f8c4dffd0c

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

MD5
34b17791dfe3f6c0a2a6aaeb80f4242c

SHA1
94ff0844864afcd621cf34758bb8c7e811714e7f

SHA256
41144e6e6f3fdc2e856a8fbcbce45760129f27ddbc45acb684f22658c9039a2a

SHA512
a641ccc2632e873ae6f770e0e13c7c43e60e6ec6ec3d32f80dc70f2ace8d57de04f3ca07bf1c5dc07857445305461da2d543ac3a36de976505b1b9f8c4dffd0c

Download Submit
memory/3816-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads