sakula | 13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e

General

Target

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe
Size

92KB
MD5

732b8ff426fd53d850d59e6cd5af53ba
SHA1

f44d06c8d62c4778aaf526b400d9a1630ea166f9
SHA256

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e
SHA512

a88f5f4f13a49014cd2c19d3aa947a23cb325e33b552487d72818703b56d3bed15620d3fbb15ec20b16896cb37c1ae69490d784e49b4a2061c20895b2f1ff69d

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 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

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

3096 MediaCenter.exe

pid	process
3096	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:

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.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"	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.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 45 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\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.203253"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyLanBytes = "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
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\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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "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\DownloadMonthlyGroupBytes = "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\FrDownloadRatePct = "90"	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\UploadMonthlyLanBytes = "0"	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\UplinkUsageBps = "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\CacheSizeBytes = "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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "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\Usage\MemoryUsageKB = "4220"	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

3056 PING.EXE

pid	process
3056	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe
Token: SeBackupPrivilege	2244	TiWorker.exe
Token: SeRestorePrivilege	2244	TiWorker.exe
Token: SeSecurityPrivilege	2244	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.execmd.exe

description	pid	process	target process
PID 3956 wrote to memory of 3096	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	MediaCenter.exe
PID 3956 wrote to memory of 3096	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	MediaCenter.exe
PID 3956 wrote to memory of 3096	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	MediaCenter.exe
PID 3956 wrote to memory of 1644	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	cmd.exe
PID 3956 wrote to memory of 1644	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	cmd.exe
PID 3956 wrote to memory of 1644	3956	13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe	cmd.exe
PID 1644 wrote to memory of 3056	1644	cmd.exe	PING.EXE
PID 1644 wrote to memory of 3056	1644	cmd.exe	PING.EXE
PID 1644 wrote to memory of 3056	1644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe
"C:\Users\Admin\AppData\Local\Temp\13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3096

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13f01a44eb23ad56a1788da69b9ea14bcebb0a42f41f72b441f45423dc7f340e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1644

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3056

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2220

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:1500

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:2244

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
e35b6d216d35c1fb4a37629a92aa4239

SHA1
58530e68a5f02cb49e67c77242b64fc2759c8b2a

SHA256
11e7e5305cafe0ffe794cc25f8b15e469c54347bdafe42486f06d55f4aab09ba

SHA512
259604537d981bdca8ba2f846d108e0c548026b92d18e55f9e01fcbb9521ad48d70b7908f81b1af729e24ac240e7687829083f234ddce1ddcfb53f3a20fe449f

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

MD5
e35b6d216d35c1fb4a37629a92aa4239

SHA1
58530e68a5f02cb49e67c77242b64fc2759c8b2a

SHA256
11e7e5305cafe0ffe794cc25f8b15e469c54347bdafe42486f06d55f4aab09ba

SHA512
259604537d981bdca8ba2f846d108e0c548026b92d18e55f9e01fcbb9521ad48d70b7908f81b1af729e24ac240e7687829083f234ddce1ddcfb53f3a20fe449f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads