sakula | 0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be

General

Target

0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe
Size

99KB
MD5

e7855c7952c3b86a7feee870e616bdfe
SHA1

0fb98d2bbee7853d08b5a45b6d9d0952a885ee50
SHA256

0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be
SHA512

8d0544496982fdfa8e0797a8414ab9b1e5fabb94d441eab058fe4cc12e871f2d3af02489dcf942f10d0df576a10e265fcd10a884b0e77971dcec17292d03fa87

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

528 MediaCenter.exe

pid	process
528	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:

0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.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"	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthID = "2"	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\InternetConnectionCount = "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\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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\GroupConnectionCount = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893045268399185"	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\SwarmCount = "1"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4016"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.127659"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\DownlinkBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.015528"	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\CacheSizeBytes = "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\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\LinkLocalConnectionCount = "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
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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.472208"	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\FrDownloadRatePct = "90"	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\MemoryUsageKB = "4340"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2224 PING.EXE

pid	process
2224	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe
Token: SeRestorePrivilege	1860	TiWorker.exe
Token: SeSecurityPrivilege	1860	TiWorker.exe
Token: SeBackupPrivilege	1860	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.execmd.exe

description	pid	process	target process
PID 3448 wrote to memory of 528	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	MediaCenter.exe
PID 3448 wrote to memory of 528	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	MediaCenter.exe
PID 3448 wrote to memory of 528	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	MediaCenter.exe
PID 3448 wrote to memory of 2064	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	cmd.exe
PID 3448 wrote to memory of 2064	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	cmd.exe
PID 3448 wrote to memory of 2064	3448	0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe	cmd.exe
PID 2064 wrote to memory of 2224	2064	cmd.exe	PING.EXE
PID 2064 wrote to memory of 2224	2064	cmd.exe	PING.EXE
PID 2064 wrote to memory of 2224	2064	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe
"C:\Users\Admin\AppData\Local\Temp\0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3448

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:528

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b0d8d327dd7cba9afd43f018e3869b72c102504692ab76d784f5fa9b0abb8be.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2064

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2224

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:364

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:3652

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:1860

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
6018a28c3abd5581c9327f52dc46fe54

SHA1
bdc3f7dd251b76cdf288451d784ecc32b671cbbf

SHA256
1357627ca16b5a7154af241bd4fbb3d752ea076783e7d792d2574a3f463e398a

SHA512
9c880af80fd5864945dbb0b0af2775f1fec904bdd8601623d3d0befc96472e3aa6c20aafd4511c1f6b879e85d17c6bc250b7c398e84a80fe260bc8ab26caa29d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
6018a28c3abd5581c9327f52dc46fe54

SHA1
bdc3f7dd251b76cdf288451d784ecc32b671cbbf

SHA256
1357627ca16b5a7154af241bd4fbb3d752ea076783e7d792d2574a3f463e398a

SHA512
9c880af80fd5864945dbb0b0af2775f1fec904bdd8601623d3d0befc96472e3aa6c20aafd4511c1f6b879e85d17c6bc250b7c398e84a80fe260bc8ab26caa29d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads