sakula | 13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7

General

Target

13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe
Size

99KB
MD5

144b353d1c444e3d04348c5b1b69273b
SHA1

0386e1d36938ea83967cb7365baa54593559cd48
SHA256

13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7
SHA512

0dc86d09ee947ba746e2b3922b49e227aa3da93fd4ac749818c3d986b40f90079854b8ac56871d0876e2b73780a7d3999504ab969c55b36098fdf9b335090a66

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

2112 MediaCenter.exe

pid	process
2112	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:

13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.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"	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCdnBytes = "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\NormalDownloadPendingCount = "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\GroupConnectionCount = "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\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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.582278"	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\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\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\DownloadMonthlyGroupBytes = "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\DownlinkUsageBps = "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\Config\KVFileExpirationTime = "132892921264207366"	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 = "11.903684"	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\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\DownloadMonthlyRateFrBps = "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\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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\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\MemoryUsageKB = "4300"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2556 PING.EXE

pid	process
2556	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe

description	pid	process
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.execmd.exe

description	pid	process	target process
PID 1088 wrote to memory of 2112	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	MediaCenter.exe
PID 1088 wrote to memory of 2112	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	MediaCenter.exe
PID 1088 wrote to memory of 2112	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	MediaCenter.exe
PID 1088 wrote to memory of 2164	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	cmd.exe
PID 1088 wrote to memory of 2164	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	cmd.exe
PID 1088 wrote to memory of 2164	1088	13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe	cmd.exe
PID 2164 wrote to memory of 2556	2164	cmd.exe	PING.EXE
PID 2164 wrote to memory of 2556	2164	cmd.exe	PING.EXE
PID 2164 wrote to memory of 2556	2164	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe
"C:\Users\Admin\AppData\Local\Temp\13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13dc8806fa9d9fc42567406c5ae63e12e78225f3665cb0dcabccf573fa6ef8a7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2164

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2556

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1840

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:3900

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:3832

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
96a9f32c61c51b51f1229a8e08c0ebdf

SHA1
bf81e90f6abd6c682d7726bcc453e185df0ff0ae

SHA256
abed5aa7cb064f7714d6eb866ff9157ac750cc6d4f7895087a5b2e78d25e16ea

SHA512
dcc94eace88e0ee1594f92303f748163065023fd348bd2a84e3e1409bbb81e0b5aaa4e3bef83fbf703ab41caca7ac9533600b39ddbadac44ec9bc36a193fb5a5

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

MD5
96a9f32c61c51b51f1229a8e08c0ebdf

SHA1
bf81e90f6abd6c682d7726bcc453e185df0ff0ae

SHA256
abed5aa7cb064f7714d6eb866ff9157ac750cc6d4f7895087a5b2e78d25e16ea

SHA512
dcc94eace88e0ee1594f92303f748163065023fd348bd2a84e3e1409bbb81e0b5aaa4e3bef83fbf703ab41caca7ac9533600b39ddbadac44ec9bc36a193fb5a5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads