sakula | 121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b

General

Target

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe
Size

35KB
MD5

b47498ef4d59c554b30b6bbb6c08bb16
SHA1

ba80bb18a0a535e5a02835ef10d19de0aa71219b
SHA256

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b
SHA512

1495b739c22ceecc666d617634957201a4a27d1628e98546960ec078ab8bf443c640d1e2262e3069ac31d6f353c58276aeb677c60821dc80cdc1ca6b49f1fa20

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

1020 MediaCenter.exe

pid	process
1020	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:

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.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"	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.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\DownloadMonthlyInternetBytes = "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\SwarmCount = "1"	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\LinkLocalConnectionCount = "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\DownlinkUsageBps = "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\MemoryUsageKB = "4096"	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\NormalDownloadCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.011205"	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\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\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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "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\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\UplinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.448674"	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\UploadRatePct = "100"	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\UploadMonthlyLanBytes = "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\UplinkUsageBps = "0"	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\Settings	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892945055122885"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.336367"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\CacheSizeBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1196 PING.EXE

pid	process
1196	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe
Token: SeBackupPrivilege	3740	TiWorker.exe
Token: SeRestorePrivilege	3740	TiWorker.exe
Token: SeSecurityPrivilege	3740	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.execmd.exe

description	pid	process	target process
PID 3188 wrote to memory of 1020	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	MediaCenter.exe
PID 3188 wrote to memory of 1020	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	MediaCenter.exe
PID 3188 wrote to memory of 1020	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	MediaCenter.exe
PID 3188 wrote to memory of 544	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	cmd.exe
PID 3188 wrote to memory of 544	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	cmd.exe
PID 3188 wrote to memory of 544	3188	121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe	cmd.exe
PID 544 wrote to memory of 1196	544	cmd.exe	PING.EXE
PID 544 wrote to memory of 1196	544	cmd.exe	PING.EXE
PID 544 wrote to memory of 1196	544	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe
"C:\Users\Admin\AppData\Local\Temp\121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\121dcf3f2bfaca31601cff9bbb690ad36babbe59caa4c3a6ba4b34606baade6b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1196

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3556

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:3920

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:3740

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
dda4a7af25dc82e563c8350420263e59

SHA1
afa58289b4eb222fa1c6b28d0b41a0c51e797366

SHA256
2f08056476333dedcb7d2886b6a601da1918d40ba70ae32f8b9a46a532337bcd

SHA512
e9e57e1e44f09ee65be042f92acd1afac7c601bde381d72e262c1fff9d6661e152fedcad91447f195f40fc06d9b88d7c7912ddce04eafaea2b63cfeefe76fcc3

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

MD5
dda4a7af25dc82e563c8350420263e59

SHA1
afa58289b4eb222fa1c6b28d0b41a0c51e797366

SHA256
2f08056476333dedcb7d2886b6a601da1918d40ba70ae32f8b9a46a532337bcd

SHA512
e9e57e1e44f09ee65be042f92acd1afac7c601bde381d72e262c1fff9d6661e152fedcad91447f195f40fc06d9b88d7c7912ddce04eafaea2b63cfeefe76fcc3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads