sakula | 0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b

General

Target

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe
Size

216KB
MD5

3ad2dfea1d14a03696d85c204f434873
SHA1

b79b390dc376f460d54a08c44ce54b4aa81650fd
SHA256

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b
SHA512

6f0b6eab499233dccc60e582c54be2706a56b49d25b148210f445c018302a84dd4656fca3071a612e21e7a331f20901a24facfeedbefe8c9b7e8a76cb3dbd685

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 4 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/920-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/2080-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2080 MediaCenter.exe

pid	process
2080	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:

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.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"	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.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

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\NormalDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4288"	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\MonthID = "2"	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\GroupConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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 (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\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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.498300"	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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "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\MemoryUsageKB = "4148"	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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "0"	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\LANConnectionCount = "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\Usage	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893028805555096"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.104965"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2648 PING.EXE

pid	process
2648	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe
Token: SeBackupPrivilege	2668	TiWorker.exe
Token: SeRestorePrivilege	2668	TiWorker.exe
Token: SeSecurityPrivilege	2668	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.execmd.exe

description	pid	process	target process
PID 920 wrote to memory of 2080	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	MediaCenter.exe
PID 920 wrote to memory of 2080	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	MediaCenter.exe
PID 920 wrote to memory of 2080	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	MediaCenter.exe
PID 920 wrote to memory of 3608	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	cmd.exe
PID 920 wrote to memory of 3608	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	cmd.exe
PID 920 wrote to memory of 3608	920	0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe	cmd.exe
PID 3608 wrote to memory of 2648	3608	cmd.exe	PING.EXE
PID 3608 wrote to memory of 2648	3608	cmd.exe	PING.EXE
PID 3608 wrote to memory of 2648	3608	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe
"C:\Users\Admin\AppData\Local\Temp\0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c23e406a544238a4ca8f835c531acbe7ccfac5f61e2bef9aaed42443593c75b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3608

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2648

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:1708

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:2668

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
272ad79457d97b4f78540c1640dc0915

SHA1
14d1883a32640d0cab4e719448e515d9c413b5cf

SHA256
7604e96f10977fdb76f2267554058215cc3ab4c00b412cdcb5602763e01dd44d

SHA512
cd191fefdbcd1fe330dc100bd6f14a8959e89985a77497dcf286338fb5b3e22345a83ccb778bbfa0044bbdb43682166edb013f96429900935818c6323720aec8

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

MD5
272ad79457d97b4f78540c1640dc0915

SHA1
14d1883a32640d0cab4e719448e515d9c413b5cf

SHA256
7604e96f10977fdb76f2267554058215cc3ab4c00b412cdcb5602763e01dd44d

SHA512
cd191fefdbcd1fe330dc100bd6f14a8959e89985a77497dcf286338fb5b3e22345a83ccb778bbfa0044bbdb43682166edb013f96429900935818c6323720aec8

Download Submit
memory/920-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2080-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads