sakula | 091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5

General

Target

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe
Size

99KB
MD5

2e5b286f0fed9e6ffd45f1995ca8c572
SHA1

82cc8b753f38ebbf5d0931aa84d80bd4d059141e
SHA256

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5
SHA512

7ec4d1ff49d4598a840a12f4be67fc04fdc76c226f1e100ca25f8688ffd18dd92b5ffb22868e5b1428550c5a9c763cef2ddd5a64b693d28c1152c8ae16d47012

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

1560 MediaCenter.exe

pid	process
1560	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:

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.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"	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.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\SwarmCount = "1"	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	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadMonthlyInternetBytes = "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\LinkLocalConnectionCount = "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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\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 = "14.995883"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.302388"	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\DODownloadMode = "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\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\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\PeerInfoCount = "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\DownloadMonthlyLinkLocalBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893097972139920"	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
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\UploadCount = "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\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\MemoryUsageKB = "4128"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3400 PING.EXE

pid	process
3400	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe
Token: SeBackupPrivilege	1900	TiWorker.exe
Token: SeRestorePrivilege	1900	TiWorker.exe
Token: SeSecurityPrivilege	1900	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.execmd.exe

description	pid	process	target process
PID 3772 wrote to memory of 1560	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	MediaCenter.exe
PID 3772 wrote to memory of 1560	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	MediaCenter.exe
PID 3772 wrote to memory of 1560	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	MediaCenter.exe
PID 3772 wrote to memory of 220	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	cmd.exe
PID 3772 wrote to memory of 220	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	cmd.exe
PID 3772 wrote to memory of 220	3772	091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe	cmd.exe
PID 220 wrote to memory of 3400	220	cmd.exe	PING.EXE
PID 220 wrote to memory of 3400	220	cmd.exe	PING.EXE
PID 220 wrote to memory of 3400	220	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe
"C:\Users\Admin\AppData\Local\Temp\091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3772

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1560

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\091e74b61726a1cf4362a94d6234cca87a62d1c671f870c2d151d57986549af5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:220

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3400

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:3452

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:1900

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
ddc0533717c18ee3c265de85481aa982

SHA1
67e22e06e201a53aed436de1fe97f52e80a076ce

SHA256
a16f03eab99c419767e3cb53094d782bcb375452a960adb70d39b1dc114f2c6b

SHA512
228ba25b83d508e33ff90ee31a641eb3d51977e2a7607889d5a6b4054b0787a9a831c5edc324e0b8e0a1b0ec3881f793a82f79d4fdbd8d1497f5e604465be978

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ddc0533717c18ee3c265de85481aa982

SHA1
67e22e06e201a53aed436de1fe97f52e80a076ce

SHA256
a16f03eab99c419767e3cb53094d782bcb375452a960adb70d39b1dc114f2c6b

SHA512
228ba25b83d508e33ff90ee31a641eb3d51977e2a7607889d5a6b4054b0787a9a831c5edc324e0b8e0a1b0ec3881f793a82f79d4fdbd8d1497f5e604465be978

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads