sakula | 192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1

General

Target

192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe
Size

58KB
MD5

b9b5df548cf3fa86ec7089a085555552
SHA1

c3dbd72b688f937fcec0059e34c09f032b48e0fb
SHA256

192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1
SHA512

919d9d6e4de231d23dddb334f17b3a075e36c0715c80b5caec8cb588f4d2f903bab21594b8a0114938b94a01502ec1271ce99ececd71315570855a468e12b66a

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

2956 MediaCenter.exe

pid	process
2956	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:

192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.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"	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.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\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\Settings	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\SwarmCount = "1"	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\MemoryUsageKB = "4304"	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 (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\NormalDownloadCount = "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\DownloadMonthlyLanBytes = "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\BkDownloadRatePct = "45"	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\UploadCount = "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\Usage\DownloadMonthlyRateFrCnt = "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\MonthID = "2"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrBps = "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\Config\KVFileExpirationTime = "132892844775275667"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.763878"	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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4132"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\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\DownloadMonthlyCdnBytes = "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\GroupConnectionCount = "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 = "10.419637"	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

3296 PING.EXE

pid	process
3296	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe

description	pid	process
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeIncBasePriorityPrivilege	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe
Token: SeBackupPrivilege	3752	TiWorker.exe
Token: SeRestorePrivilege	3752	TiWorker.exe
Token: SeSecurityPrivilege	3752	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.execmd.exe

description	pid	process	target process
PID 332 wrote to memory of 2956	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	MediaCenter.exe
PID 332 wrote to memory of 2956	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	MediaCenter.exe
PID 332 wrote to memory of 2956	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	MediaCenter.exe
PID 332 wrote to memory of 3288	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	cmd.exe
PID 332 wrote to memory of 3288	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	cmd.exe
PID 332 wrote to memory of 3288	332	192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe	cmd.exe
PID 3288 wrote to memory of 3296	3288	cmd.exe	PING.EXE
PID 3288 wrote to memory of 3296	3288	cmd.exe	PING.EXE
PID 3288 wrote to memory of 3296	3288	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe
"C:\Users\Admin\AppData\Local\Temp\192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\192edc8f212bf5fc36a6d1e786610d0c78bebc5c7cddfa14194b204b660545a1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3288

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3296

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:696

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:208

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:3752

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
6c7c3a27f8afc1daa5e1ffaebc7e5d21

SHA1
af187733b11c7c1031629e2c49ff94e419449976

SHA256
a8229ae37cdd6a0a3a1aef5ca56a7d5c0f5dae68b088b0b2cfd79dabaee19ecc

SHA512
1d60871503b8e0a1dc5a009fe37e84986d09d06769ca11e389e494b7115392900c80d5ed9a3dea90dec7dd577097acb9ab67602b9205046d341c16b4b1ad37a3

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

MD5
6c7c3a27f8afc1daa5e1ffaebc7e5d21

SHA1
af187733b11c7c1031629e2c49ff94e419449976

SHA256
a8229ae37cdd6a0a3a1aef5ca56a7d5c0f5dae68b088b0b2cfd79dabaee19ecc

SHA512
1d60871503b8e0a1dc5a009fe37e84986d09d06769ca11e389e494b7115392900c80d5ed9a3dea90dec7dd577097acb9ab67602b9205046d341c16b4b1ad37a3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads