sakula | 048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5

General

Target

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe
Size

35KB
MD5

81b21f113552a90b9ccef8fed2b7c561
SHA1

e6c083be31b50c3481efeb7a185188597322616b
SHA256

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5
SHA512

66ea90602d23ccb3cacf822e1c634b455806006e962e65938b6adb941086af02814b907ce3d40c6be7cce5a4402d4fd715ac68c6c5969f71b4e32c25cda76c54

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

4000 MediaCenter.exe

pid	process
4000	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:

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.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"	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.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\SwarmCount = "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\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 (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\MonthlyUploadRestriction = "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 = "4320"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\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 (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\PeerInfoCount = "0"	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\Config\DownloadMode_BackCompat = "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\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\Config\KVFileExpirationTime = "132893162591664019"	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
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\NormalDownloadCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.210510"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\SwarmCount = "1"	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\DownlinkUsageBps = "0"	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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\LinkLocalConnectionCount = "0"	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\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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.665683"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3292 PING.EXE

pid	process
3292	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe
Token: SeBackupPrivilege	544	TiWorker.exe
Token: SeRestorePrivilege	544	TiWorker.exe
Token: SeSecurityPrivilege	544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.execmd.exe

description	pid	process	target process
PID 3984 wrote to memory of 4000	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	MediaCenter.exe
PID 3984 wrote to memory of 4000	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	MediaCenter.exe
PID 3984 wrote to memory of 4000	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	MediaCenter.exe
PID 3984 wrote to memory of 372	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	cmd.exe
PID 3984 wrote to memory of 372	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	cmd.exe
PID 3984 wrote to memory of 372	3984	048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe	cmd.exe
PID 372 wrote to memory of 3292	372	cmd.exe	PING.EXE
PID 372 wrote to memory of 3292	372	cmd.exe	PING.EXE
PID 372 wrote to memory of 3292	372	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe
"C:\Users\Admin\AppData\Local\Temp\048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\048ef37796b921efeb9e32d72691016bab7d86f9cea5ddd3f9a622b9a53867c5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:372

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3292

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1572

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:3980

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:544

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
b2b112837954cc0e08565aaf5963a34b

SHA1
f30778a5f78b375f4ea47680e4884a12cdb6aae7

SHA256
9147729f065f60822a115824e33852a629bd4957399e3cab4193b023cf8926e6

SHA512
04499576d5520911bc9bcd0b542d8a350565dfbdce323f1de1a0e3992a120c6019fac3429990c58ed6c6c409a574a361c061312a1856bfabe76687d2efe1cb78

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b2b112837954cc0e08565aaf5963a34b

SHA1
f30778a5f78b375f4ea47680e4884a12cdb6aae7

SHA256
9147729f065f60822a115824e33852a629bd4957399e3cab4193b023cf8926e6

SHA512
04499576d5520911bc9bcd0b542d8a350565dfbdce323f1de1a0e3992a120c6019fac3429990c58ed6c6c409a574a361c061312a1856bfabe76687d2efe1cb78

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads