sakula | 0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4

General

Target

0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe
Size

35KB
MD5

7f1fd2138daf8b177aea11358627db0c
SHA1

c5cdf9db175a11a839da2c472d21bd6ca57aea43
SHA256

0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4
SHA512

dea9f6d11392dfb0b14a2bdb7f46e93d05f33dd8dbf97d6d2b40e29ccc15eb942f89cb5b675a3e604242f7aa556ca68dbbcefeaee5d2d373c984e08fdee78f04

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

2216 MediaCenter.exe

pid	process
2216	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:

0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.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"	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\Config\KVFileExpirationTime = "132893033355906857"	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\Config	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\DownloadMonthlyInternetBytes = "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\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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\MemoryUsageKB = "3992"	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\DownloadMonthlyGroupBytes = "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 = "2.614426"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\UplinkBps = "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\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 (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\CacheSizeBytes = "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\Config\DownloadMode_BackCompat = "1"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.999878"	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\FrDownloadRatePct = "90"	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\PriorityDownloadPendingCount = "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\MonthID = "2"	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\LinkLocalConnectionCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2588 PING.EXE

pid	process
2588	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe

description	pid	process
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe
Token: SeBackupPrivilege	2324	TiWorker.exe
Token: SeRestorePrivilege	2324	TiWorker.exe
Token: SeSecurityPrivilege	2324	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.execmd.exe

description	pid	process	target process
PID 3868 wrote to memory of 2216	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	MediaCenter.exe
PID 3868 wrote to memory of 2216	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	MediaCenter.exe
PID 3868 wrote to memory of 2216	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	MediaCenter.exe
PID 3868 wrote to memory of 3604	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	cmd.exe
PID 3868 wrote to memory of 3604	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	cmd.exe
PID 3868 wrote to memory of 3604	3868	0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe	cmd.exe
PID 3604 wrote to memory of 2588	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 2588	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 2588	3604	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe
"C:\Users\Admin\AppData\Local\Temp\0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bbbe1efe098217272247250c83f5ec8d3c0b0dfb58a64f0e05f27e38bd966c4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2588

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1012

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:3064

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:2324

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
fbff81b1304adebd95d895b06c459c45

SHA1
d618bcfc6d000c19e24321ac7e5c8d9151a35437

SHA256
746ec12d5022911a8f91267baf4017576afbfcb0af925afa1ea074f5dc905a10

SHA512
1b5d0660c24f00bf3ed1aa92b20e9e53e4b44902e59c940ccd1ff0e65651a4440fcb280be0731d929e36813536f20816a8f25b35564ccbb24bbe98bf5c331868

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

MD5
fbff81b1304adebd95d895b06c459c45

SHA1
d618bcfc6d000c19e24321ac7e5c8d9151a35437

SHA256
746ec12d5022911a8f91267baf4017576afbfcb0af925afa1ea074f5dc905a10

SHA512
1b5d0660c24f00bf3ed1aa92b20e9e53e4b44902e59c940ccd1ff0e65651a4440fcb280be0731d929e36813536f20816a8f25b35564ccbb24bbe98bf5c331868

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads