sakula | 18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5

General

Target

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe
Size

58KB
MD5

248ee41d514f93b0e2f1529a3f017f77
SHA1

5b5f8858ed7472fb2050e8042a0d2d67b9938ea6
SHA256

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5
SHA512

b34ec1be0349090e4be6d7324f4d34b639b44d6ae372a8cc7081c48e534200a17efc396d1acadd1d4866e165928c09e094d752bbf280b2736d6d99d5995da8a1

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

2092 MediaCenter.exe

pid	process
2092	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:

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.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"	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.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

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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\BkDownloadRatePct = "45"	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\SwarmCount = "1"	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\LANConnectionCount = "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\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\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\PriorityDownloadPendingCount = "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\UplinkUsageBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000173"	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\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "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\UploadRatePct = "100"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892847990171873"	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\NormalDownloadCount = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.932061"	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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4288"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2980 PING.EXE

pid	process
2980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe
Token: SeBackupPrivilege	2168	TiWorker.exe
Token: SeRestorePrivilege	2168	TiWorker.exe
Token: SeSecurityPrivilege	2168	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.execmd.exe

description	pid	process	target process
PID 2128 wrote to memory of 2092	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	MediaCenter.exe
PID 2128 wrote to memory of 2092	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	MediaCenter.exe
PID 2128 wrote to memory of 2092	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	MediaCenter.exe
PID 2128 wrote to memory of 644	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	cmd.exe
PID 2128 wrote to memory of 644	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	cmd.exe
PID 2128 wrote to memory of 644	2128	18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe	cmd.exe
PID 644 wrote to memory of 2980	644	cmd.exe	PING.EXE
PID 644 wrote to memory of 2980	644	cmd.exe	PING.EXE
PID 644 wrote to memory of 2980	644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe
"C:\Users\Admin\AppData\Local\Temp\18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2092

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18e66aa01bfe134734e9b436f190db37e693b4d0c05ab1291a7d6de9fa0af4c5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2980

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:2016

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:2168

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
a40abcef010922f4712be13e8a882e6a

SHA1
9e92fed20132df406927139171a3c4f5f65c749d

SHA256
34636109152e8d7e2e45ebfc167073e936663a61edcead2c7ca5882a31a45e95

SHA512
0a0a6cc2a91fcccea13499b4e94fb519c310262c0d75a6b20dcc8919d71943b72f38b1b39d01576247286218f221784e95c1797079ac0393c43644de2650d13c

Download Submit
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 Enterprise v6

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Downloads