sakula | 0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f

General

Target

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe
Size

36KB
MD5

61068e3dc38b09d31075b529c70c6fa5
SHA1

10f198f99d222c6033c59ab5879ce7f89e0da41b
SHA256

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f
SHA512

1def20a06896059f18ff88ad4114f67cf77ada03436f01eaf3fa4f384b378e9c31b57b71065b25ff40d7a110f95ac4effd6f25daf4c7e09bccd7f012befd6c9a

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2084 MediaCenter.exe

pid	process
2084	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:

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.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"	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.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
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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.886652"	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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "0"	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\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 (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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.093784"	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\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\UploadCount = "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\LANConnectionCount = "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 = "4216"	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 (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\SwarmCount = "1"	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\UploadMonthlyLanBytes = "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\MonthID = "2"	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\MonthlyUploadRestriction = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893039770320323"	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\UploadRatePct = "100"	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	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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3376 PING.EXE

pid	process
3376	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe
Token: SeBackupPrivilege	2436	TiWorker.exe
Token: SeRestorePrivilege	2436	TiWorker.exe
Token: SeSecurityPrivilege	2436	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.execmd.exe

description	pid	process	target process
PID 2472 wrote to memory of 2084	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	MediaCenter.exe
PID 2472 wrote to memory of 2084	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	MediaCenter.exe
PID 2472 wrote to memory of 2084	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	MediaCenter.exe
PID 2472 wrote to memory of 4036	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	cmd.exe
PID 2472 wrote to memory of 4036	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	cmd.exe
PID 2472 wrote to memory of 4036	2472	0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe	cmd.exe
PID 4036 wrote to memory of 3376	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 3376	4036	cmd.exe	PING.EXE
PID 4036 wrote to memory of 3376	4036	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe
"C:\Users\Admin\AppData\Local\Temp\0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2472

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b64e71e622cabead45f1a2df1aec354a5dbc4140b3dca0920831038eba2029f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3376

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2812

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:3588

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:2436

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
6926bc551f9525f970303d15d9bf0735

SHA1
45513d0d4fa71bce154500f3cefac947d075c0cb

SHA256
2ee8f6dbd88e3ad7710f991571b1ea75a6cf6a3e612d75abfb247c9a7d9e0f30

SHA512
eab180da35f61e18d7523c689bd3301f0b0ac41261ca20d0b85f2ebd277d2b6b127c9b42120b1152eedd51d0d8cfb6e15d9a4f9f2fad50cd55b3d97b502ba12f

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

MD5
6926bc551f9525f970303d15d9bf0735

SHA1
45513d0d4fa71bce154500f3cefac947d075c0cb

SHA256
2ee8f6dbd88e3ad7710f991571b1ea75a6cf6a3e612d75abfb247c9a7d9e0f30

SHA512
eab180da35f61e18d7523c689bd3301f0b0ac41261ca20d0b85f2ebd277d2b6b127c9b42120b1152eedd51d0d8cfb6e15d9a4f9f2fad50cd55b3d97b502ba12f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads