sakula | 171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88

General

Target

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe
Size

217KB
MD5

cafefaae6b3b3236a0a4a2dd79c94fde
SHA1

7513c6b406bfae75c87c2ec4dcbc0c7a39cdaa47
SHA256

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88
SHA512

c409559b849e27a8686e709410f2524a27e20352bbcf402e20752e6a9ff5ab2d70bd751639e3144c694de5f2392e8ace2a050e62e590b2d57402c3c7e9cceb9f

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/3588-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1184 MediaCenter.exe

pid	process
1184	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:

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.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"	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\SwarmCount = "1"	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.781572"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892872141273061"	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\LinkLocalConnectionCount = "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\DownlinkBps = "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\FrDownloadRatePct = "90"	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 = "4288"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\UploadRatePct = "100"	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\Config	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\UplinkUsageBps = "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\Config\DownloadMode_BackCompat = "1"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.881888"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.143164"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2652 PING.EXE

pid	process
2652	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.execmd.exe

description	pid	process	target process
PID 3588 wrote to memory of 1184	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	MediaCenter.exe
PID 3588 wrote to memory of 1184	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	MediaCenter.exe
PID 3588 wrote to memory of 1184	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	MediaCenter.exe
PID 3588 wrote to memory of 3252	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	cmd.exe
PID 3588 wrote to memory of 3252	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	cmd.exe
PID 3588 wrote to memory of 3252	3588	171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe	cmd.exe
PID 3252 wrote to memory of 2652	3252	cmd.exe	PING.EXE
PID 3252 wrote to memory of 2652	3252	cmd.exe	PING.EXE
PID 3252 wrote to memory of 2652	3252	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe
"C:\Users\Admin\AppData\Local\Temp\171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1184

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\171d951d30500240f623efd629ece6b9d00b77bd9436ef55285b7ff52209eb88.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3252

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2652

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3600

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:2536

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:3716

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
f08a17119d4e3cb5e1a6a0395cbea76e

SHA1
fbae3bfdf0284f9059a445a525de153ac35d958d

SHA256
465e5df27f0eeb66c11f4e7e9c4f4a8425688c3a005b4242b285ba92b10ea4ef

SHA512
6cfd20bbd4b9965b2468edf596a2a116f313553e8add59fc27613a187aac5b930c9ef67217373d0b4631bb1e03f718a2ef6d2883be5f52b8a590e2d6c69f8eca

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

MD5
f08a17119d4e3cb5e1a6a0395cbea76e

SHA1
fbae3bfdf0284f9059a445a525de153ac35d958d

SHA256
465e5df27f0eeb66c11f4e7e9c4f4a8425688c3a005b4242b285ba92b10ea4ef

SHA512
6cfd20bbd4b9965b2468edf596a2a116f313553e8add59fc27613a187aac5b930c9ef67217373d0b4631bb1e03f718a2ef6d2883be5f52b8a590e2d6c69f8eca

Download Submit
memory/3588-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads