sakula | 000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f

General

Target

000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe
Size

58KB
MD5

76dd0fa7cc53a03d01117bb406180a80
SHA1

756c6bddc687286bd00a812e4e37d192da7ea8cb
SHA256

000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f
SHA512

6d3e0c0bf67575c6bb97b2f1bcbbbf5f1a33465de1278a31aaeb7de111458659266cde61c58346ed8f3321f8db093624a6b6d1e2f234af01cbcdc8fa3a4a6ca8

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

1136 MediaCenter.exe

pid	process
1136	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:

000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.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"	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.471956"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893221218666564"	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\MonthlyUploadRestriction = "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\MemoryUsageKB = "3944"	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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4020"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.546203"	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\DownloadMonthlyGroupBytes = "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\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\MemoryUsageKB = "4280"	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\DownloadMonthlyRateBkBps = "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\PeerInfoCount = "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\UploadCount = "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\DownloadMonthlyLanBytes = "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 (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\CDNConnectionCount = "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\UploadMonthlyInternetBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006587"	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\DownloadMonthlyCdnBytes = "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
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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3964 PING.EXE

pid	process
3964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe

description	pid	process
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe
Token: SeBackupPrivilege	1520	TiWorker.exe
Token: SeRestorePrivilege	1520	TiWorker.exe
Token: SeSecurityPrivilege	1520	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.execmd.exe

description	pid	process	target process
PID 1424 wrote to memory of 1136	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	MediaCenter.exe
PID 1424 wrote to memory of 1136	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	MediaCenter.exe
PID 1424 wrote to memory of 1136	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	MediaCenter.exe
PID 1424 wrote to memory of 1976	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	cmd.exe
PID 1424 wrote to memory of 1976	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	cmd.exe
PID 1424 wrote to memory of 1976	1424	000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe	cmd.exe
PID 1976 wrote to memory of 3964	1976	cmd.exe	PING.EXE
PID 1976 wrote to memory of 3964	1976	cmd.exe	PING.EXE
PID 1976 wrote to memory of 3964	1976	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe
"C:\Users\Admin\AppData\Local\Temp\000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1136

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\000b6be645453e2024c132ba4c1ed69f6c773b5592ddf70c457ee106c03df89f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:64

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:1596

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:1520

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

3

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a40abcef010922f4712be13e8a882e6a

SHA1
9e92fed20132df406927139171a3c4f5f65c749d

SHA256
34636109152e8d7e2e45ebfc167073e936663a61edcead2c7ca5882a31a45e95

SHA512
0a0a6cc2a91fcccea13499b4e94fb519c310262c0d75a6b20dcc8919d71943b72f38b1b39d01576247286218f221784e95c1797079ac0393c43644de2650d13c

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a40abcef010922f4712be13e8a882e6a

SHA1
9e92fed20132df406927139171a3c4f5f65c749d

SHA256
34636109152e8d7e2e45ebfc167073e936663a61edcead2c7ca5882a31a45e95

SHA512
0a0a6cc2a91fcccea13499b4e94fb519c310262c0d75a6b20dcc8919d71943b72f38b1b39d01576247286218f221784e95c1797079ac0393c43644de2650d13c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads