sakula | 154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e

General

Target

154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe
Size

92KB
MD5

87c2658bb8060bcc08f026bc42a3e534
SHA1

d07cc63b2ef637071d3270a0bd75fce14479a3c6
SHA256

154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e
SHA512

7a0283aa9ac20f893cbd3d09244aac0e180b9345b15b36887f7abe30c8facf8c7335461ee9306d7d79f08e4583a9b45453eb5e1733cc26eefa15632685986d69

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

2704 MediaCenter.exe

pid	process
2704	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:

154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.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"	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\NormalDownloadCount = "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\UploadMonthlyLanBytes = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateFrCnt = "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\BkDownloadRatePct = "45"	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\FrDownloadRatePct = "90"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3868"	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\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 = "0.151260"	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\DownloadMonthlyGroupBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "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
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
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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.413226"	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\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1040 PING.EXE

pid	process
1040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe

description	pid	process
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeIncBasePriorityPrivilege	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.execmd.exe

description	pid	process	target process
PID 424 wrote to memory of 2704	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	MediaCenter.exe
PID 424 wrote to memory of 2704	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	MediaCenter.exe
PID 424 wrote to memory of 2704	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	MediaCenter.exe
PID 424 wrote to memory of 916	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	cmd.exe
PID 424 wrote to memory of 916	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	cmd.exe
PID 424 wrote to memory of 916	424	154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe	cmd.exe
PID 916 wrote to memory of 1040	916	cmd.exe	PING.EXE
PID 916 wrote to memory of 1040	916	cmd.exe	PING.EXE
PID 916 wrote to memory of 1040	916	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe
"C:\Users\Admin\AppData\Local\Temp\154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\154da4ea1651f37763371e91f879844420ed1c252d6a561f9e3244056ae4df4e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:916

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1040

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3296

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:856

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:3636

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
552fc958d8f2b26a791c4efc92d9be3d

SHA1
b7d58bd6ec3d0269b4d8850d6452d4a8d3d7f06f

SHA256
559f2ad31c4018f32f95c80e5aad12bb325a259c7879426ba1174b02a7760cad

SHA512
54c507ecfce184251eaad838eb26ab1dbdba7b27b6eab03c6ed96e895dbaf965afe53b5453806129a3269607eaba21b6566c5a4730872aea34d3ffc6963e4f85

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

MD5
552fc958d8f2b26a791c4efc92d9be3d

SHA1
b7d58bd6ec3d0269b4d8850d6452d4a8d3d7f06f

SHA256
559f2ad31c4018f32f95c80e5aad12bb325a259c7879426ba1174b02a7760cad

SHA512
54c507ecfce184251eaad838eb26ab1dbdba7b27b6eab03c6ed96e895dbaf965afe53b5453806129a3269607eaba21b6566c5a4730872aea34d3ffc6963e4f85

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads