sakula | 167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237

General

Target

167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe
Size

58KB
MD5

cf88f94bef0601dca7c03b32de2d673c
SHA1

65f21184516fa4693fb9d2076e30abeeff0ce414
SHA256

167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237
SHA512

8a6b7b05cd0c3b86de2fb1733959c099160b13664992883c23e6641669411d31a2d2b9979c3f07227e36f60922c4c5d6e0def577eac65819d0d9b7134e29e99b

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

220 MediaCenter.exe

pid	process
220	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:

167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.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"	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "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\FrDownloadRatePct = "90"	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 = "4216"	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\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\DownloadMonthlyRateBkBps = "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\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\Usage\NormalDownloadCount = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892882063150675"	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\DownlinkBps = "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\GroupConnectionCount = "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	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\DownloadMonthlyCdnBytes = "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\PriorityDownloadPendingCount = "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\LANConnectionCount = "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 = "2.829867"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\UploadCount = "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 (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
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\DownloadMonthlyCacheHostBytes = "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\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\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1588 PING.EXE

pid	process
1588	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe

description	pid	process
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe
Token: SeBackupPrivilege	3888	TiWorker.exe
Token: SeRestorePrivilege	3888	TiWorker.exe
Token: SeSecurityPrivilege	3888	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.execmd.exe

description	pid	process	target process
PID 3948 wrote to memory of 220	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	MediaCenter.exe
PID 3948 wrote to memory of 220	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	MediaCenter.exe
PID 3948 wrote to memory of 220	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	MediaCenter.exe
PID 3948 wrote to memory of 3608	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	cmd.exe
PID 3948 wrote to memory of 3608	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	cmd.exe
PID 3948 wrote to memory of 3608	3948	167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe	cmd.exe
PID 3608 wrote to memory of 1588	3608	cmd.exe	PING.EXE
PID 3608 wrote to memory of 1588	3608	cmd.exe	PING.EXE
PID 3608 wrote to memory of 1588	3608	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe
"C:\Users\Admin\AppData\Local\Temp\167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\167bf87867667400442f3a8eb4c0332a9f02db46f539678b7b9a347fa94ba237.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3608

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1588

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1488

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:3188

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:3888

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
fb55ae86ca8f3f38f4d76b052475628e

SHA1
1484346eaab9240787ab6de225ffe62068bd8b3a

SHA256
9bf306cb2980621733b3100bc91fa81509e1365ed567bac27b115a23df673286

SHA512
b8b7a7902d1604713278145b10640e23cade8805f765ce2f80949c44fb2c2976d77cf81ec531a602b3cbf9a2ef8aeecbf4c5c13f2ec2a1afd7af1e339f1b697b

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

MD5
fb55ae86ca8f3f38f4d76b052475628e

SHA1
1484346eaab9240787ab6de225ffe62068bd8b3a

SHA256
9bf306cb2980621733b3100bc91fa81509e1365ed567bac27b115a23df673286

SHA512
b8b7a7902d1604713278145b10640e23cade8805f765ce2f80949c44fb2c2976d77cf81ec531a602b3cbf9a2ef8aeecbf4c5c13f2ec2a1afd7af1e339f1b697b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads