sakula | 0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695

General

Target

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe
Size

216KB
MD5

1ab1d666c3a70e3590f8afbd871755de
SHA1

0a4dae8245b663f2b1b990cb54f8d712e4c4a352
SHA256

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695
SHA512

9fc9d848e18a87c511930fba542193fe61c6c1bd3eae466ccbfa7d4b8a9252dc788e71b248bae4347ee4792af9279631d56fccbb38a5dafb0b6e166cd440081d

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/1124-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3028 MediaCenter.exe

pid	process
3028	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:

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.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"	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyGroupBytes = "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\PriorityDownloadPendingCount = "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\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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\MonthID = "2"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.173863"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	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\UploadCount = "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\DownloadMode_BackCompat = "1"	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\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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893015423847237"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.175809"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1512 PING.EXE

pid	process
1512	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe
Token: SeBackupPrivilege	1192	TiWorker.exe
Token: SeRestorePrivilege	1192	TiWorker.exe
Token: SeSecurityPrivilege	1192	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.execmd.exe

description	pid	process	target process
PID 1124 wrote to memory of 3028	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	MediaCenter.exe
PID 1124 wrote to memory of 3028	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	MediaCenter.exe
PID 1124 wrote to memory of 3028	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	MediaCenter.exe
PID 1124 wrote to memory of 1568	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	cmd.exe
PID 1124 wrote to memory of 1568	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	cmd.exe
PID 1124 wrote to memory of 1568	1124	0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe	cmd.exe
PID 1568 wrote to memory of 1512	1568	cmd.exe	PING.EXE
PID 1568 wrote to memory of 1512	1568	cmd.exe	PING.EXE
PID 1568 wrote to memory of 1512	1568	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe
"C:\Users\Admin\AppData\Local\Temp\0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d31d429c66960623d9bf1252bd5939a94a4b5502a1cfbb7672c43c491dfa695.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1512

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3632

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3636

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:1192

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
8ddc706ab52834eb41de680031871e96

SHA1
d4a5e86af9fd10ceac027a545a30d384227db885

SHA256
15ab30820cdc732736e73e1e81f58f0aade6fabf68809918806ca412a1d93ef5

SHA512
cc5f3c7e7456e5dcf342edc0dc6970a981f1dc2a02d48d5f40371f52ab84ffce9a77dfa876ca58dd6e97de9f382bf2ed7b0bd3dcf9a1b2bfaadccdaa381fb518

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

MD5
8ddc706ab52834eb41de680031871e96

SHA1
d4a5e86af9fd10ceac027a545a30d384227db885

SHA256
15ab30820cdc732736e73e1e81f58f0aade6fabf68809918806ca412a1d93ef5

SHA512
cc5f3c7e7456e5dcf342edc0dc6970a981f1dc2a02d48d5f40371f52ab84ffce9a77dfa876ca58dd6e97de9f382bf2ed7b0bd3dcf9a1b2bfaadccdaa381fb518

Download Submit
memory/1124-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads