sakula | 05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9

General

Target

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe
Size

191KB
MD5

caaa5c619cbfc65b0166ca9c7f954c32
SHA1

409125f138db91ac088349099c99f8304bb3a6c2
SHA256

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9
SHA512

007799b1f6c3a3442c4230f777656993ef6e4661752876fb42c95df24cb8339622745fd07e52c231f929fced698bd4f37131888d9a0fa20e482003309f31d15d

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

4052 MediaCenter.exe

pid	process
4052	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:

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.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"	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.250020"	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\DownloadMonthlyRateBkCnt = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\Usage\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\CacheSizeBytes = "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 = "12.496621"	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\DownloadMonthlyRateFrBps = "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\UploadMonthlyLanBytes = "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\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 (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 = "4184"	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\MonthID = "2"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.126768"	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\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3756 PING.EXE

pid	process
3756	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe
Token: SeBackupPrivilege	2824	TiWorker.exe
Token: SeRestorePrivilege	2824	TiWorker.exe
Token: SeSecurityPrivilege	2824	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.execmd.exe

description	pid	process	target process
PID 968 wrote to memory of 4052	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	MediaCenter.exe
PID 968 wrote to memory of 4052	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	MediaCenter.exe
PID 968 wrote to memory of 4052	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	MediaCenter.exe
PID 968 wrote to memory of 2704	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	cmd.exe
PID 968 wrote to memory of 2704	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	cmd.exe
PID 968 wrote to memory of 2704	968	05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe	cmd.exe
PID 2704 wrote to memory of 3756	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 3756	2704	cmd.exe	PING.EXE
PID 2704 wrote to memory of 3756	2704	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe
"C:\Users\Admin\AppData\Local\Temp\05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05eb3b612e3db48e0d74078e10d1ca7387ac4738377f772f28ec09a374b084e9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2364

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:2824

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
41ea13bcded320a1f2fcfcef46d37956

SHA1
fd9c865d40f303561259f7922b1a1d6ef2f83d0b

SHA256
a6fbc6834a902d712b0848bc37e68501953e3ed0e6e7614cf34180a2cfbde8d2

SHA512
b78e69ce64c7a9e47d81bf0fa5e6b592b3fd76266b329268d600002dff10aa6b409efe3a07f46b426526963ea6c67db742c9569c02616bbbd69582c8960f5c30

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
41ea13bcded320a1f2fcfcef46d37956

SHA1
fd9c865d40f303561259f7922b1a1d6ef2f83d0b

SHA256
a6fbc6834a902d712b0848bc37e68501953e3ed0e6e7614cf34180a2cfbde8d2

SHA512
b78e69ce64c7a9e47d81bf0fa5e6b592b3fd76266b329268d600002dff10aa6b409efe3a07f46b426526963ea6c67db742c9569c02616bbbd69582c8960f5c30

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads