sakula | 0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1

General

Target

0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe
Size

196KB
MD5

70a226b0bb4c22642101a06e6fcd9766
SHA1

962229d090a165c23dd529eda5882a87a5674985
SHA256

0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1
SHA512

f8b4d35dd090423bb08425b4ba5e1d4b2f1c975442903aaaf337685f4306b4e284b5c8f2f2f2e2c8b9e734abf0971777b5d86043695237bfde386135042ceb7d

Score

10^/10

sakula persistence rat suricata trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 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/1952-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/1484-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1484 MediaCenter.exe

pid	process
1484	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:

0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.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"	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143229"	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\UploadCount = "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\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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\UploadRatePct = "100"	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\MemoryUsageKB = "3504"	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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyLanBytes = "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 = "0.286010"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3692"	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\CDNConnectionCount = "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\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\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
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\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\MonthlyUploadRestriction = "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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "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\MemoryUsageKB = "3700"	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\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1668 PING.EXE

pid	process
1668	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe
Token: SeRestorePrivilege	3544	TiWorker.exe
Token: SeSecurityPrivilege	3544	TiWorker.exe
Token: SeBackupPrivilege	3544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.execmd.exe

description	pid	process	target process
PID 1952 wrote to memory of 1484	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	MediaCenter.exe
PID 1952 wrote to memory of 1484	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	MediaCenter.exe
PID 1952 wrote to memory of 1484	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	MediaCenter.exe
PID 1952 wrote to memory of 112	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	cmd.exe
PID 1952 wrote to memory of 112	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	cmd.exe
PID 1952 wrote to memory of 112	1952	0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe	cmd.exe
PID 112 wrote to memory of 1668	112	cmd.exe	PING.EXE
PID 112 wrote to memory of 1668	112	cmd.exe	PING.EXE
PID 112 wrote to memory of 1668	112	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe
"C:\Users\Admin\AppData\Local\Temp\0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a10f5dce40670fcfab0a7160d0edf9ce1ac968b0c0fbfa376c7a41ee78685b1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:112

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1668

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:4000

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:3544

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
c53f86566fd4242b36b90a001865bce7

SHA1
4636195b25c0df2898ddf3525754057bbfec9349

SHA256
4d4c2c54054aa97f43d4800a202c3a15c30a53f0779bfc3adb17441e51f4a393

SHA512
23cdeaff650c38d1449a3e0430520de36c3bded78bebd0c099df87082ec086f79c9afe64e508c256978356d4923a6e60b393e0d9925e27e0943c108b5f9fdb8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c53f86566fd4242b36b90a001865bce7

SHA1
4636195b25c0df2898ddf3525754057bbfec9349

SHA256
4d4c2c54054aa97f43d4800a202c3a15c30a53f0779bfc3adb17441e51f4a393

SHA512
23cdeaff650c38d1449a3e0430520de36c3bded78bebd0c099df87082ec086f79c9afe64e508c256978356d4923a6e60b393e0d9925e27e0943c108b5f9fdb8b

Download Submit
memory/1484-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1952-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads