sakula | 0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223

General

Target

0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe
Size

60KB
MD5

75dfca14f72d431f6bd4faf37c049737
SHA1

3ba0d8e99d2a2d1496672b2d3c633fedad00d372
SHA256

0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223
SHA512

ca6baf655bbeee764a0da00fdb8cd3523425560d5acddaacaacddc9e7726414d1e862f326dc2885fcc80c306e6fb9d12f081cae6ffe7ea68f9306bc4413639e1

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

2000 MediaCenter.exe

pid	process
2000	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:

0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.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"	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.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 52 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\UploadRatePct = "100"	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\DownloadMonthlyRateFrCnt = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.370878"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\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\UploadCount = "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 = "3936"	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\UploadMonthlyInternetBytes = "0"	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\Config\KVFileExpirationTime = "132893024737329014"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	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\DownloadMonthlyGroupBytes = "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\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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.007802"	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\DownloadMonthlyRateBkCnt = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042088"	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\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\Usage\MemoryUsageKB = "4316"	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\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\UplinkBps = "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\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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3660 PING.EXE

pid	process
3660	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe

description	pid	process
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe
Token: SeBackupPrivilege	2240	TiWorker.exe
Token: SeRestorePrivilege	2240	TiWorker.exe
Token: SeSecurityPrivilege	2240	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.execmd.exe

description	pid	process	target process
PID 2836 wrote to memory of 2000	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	MediaCenter.exe
PID 2836 wrote to memory of 2000	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	MediaCenter.exe
PID 2836 wrote to memory of 2000	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	MediaCenter.exe
PID 2836 wrote to memory of 1480	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	cmd.exe
PID 2836 wrote to memory of 1480	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	cmd.exe
PID 2836 wrote to memory of 1480	2836	0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe	cmd.exe
PID 1480 wrote to memory of 3660	1480	cmd.exe	PING.EXE
PID 1480 wrote to memory of 3660	1480	cmd.exe	PING.EXE
PID 1480 wrote to memory of 3660	1480	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe
"C:\Users\Admin\AppData\Local\Temp\0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2836

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c82e6dce43b2b1b938c1ea9e6c8a033a19112f89d4e9ddf47c6240036938223.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1480

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3660

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1136

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:1692

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:2240

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
953b305bcffa4389717f4704cedef96b

SHA1
6759d6b677f38781669c016006c5f121d87a630d

SHA256
52ac6d74b9be7b7eb77acc411850d2eaf82cad3690b6054eba3d3143017bab24

SHA512
9a487b920a0cf3c4b6d9ec64a5a1e5139d3bc5dfb103d6d9047b64577fdfa8bef9466f1566684dcc3211cc7d2915cf0240738320554ceff30655f5b5530e15f4

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

MD5
953b305bcffa4389717f4704cedef96b

SHA1
6759d6b677f38781669c016006c5f121d87a630d

SHA256
52ac6d74b9be7b7eb77acc411850d2eaf82cad3690b6054eba3d3143017bab24

SHA512
9a487b920a0cf3c4b6d9ec64a5a1e5139d3bc5dfb103d6d9047b64577fdfa8bef9466f1566684dcc3211cc7d2915cf0240738320554ceff30655f5b5530e15f4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads