sakula | 174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696

General

Target

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe
Size

36KB
MD5

d2af7269032e89ce41b176447826248e
SHA1

75fe8fcc591ac1a3f7fe1e7324e3174e4300a629
SHA256

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696
SHA512

678666296c7c63941a75c3c0542d86987875d68cca198a08dd207d7f48c695703fef5caa6e9ec7d72a53e7f7b887595a7af3890c03fafdc8a2eba4cfb79085f2

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

3668 MediaCenter.exe

pid	process
3668	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:

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.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"	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "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\CDNConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.123636"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	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\NormalDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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 = "132892869921138011"	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\FrDownloadRatePct = "90"	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\MemoryUsageKB = "4152"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\UplinkBps = "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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\UplinkUsageBps = "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\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\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\GroupConnectionCount = "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\LinkLocalConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.402045"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3700 PING.EXE

pid	process
3700	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe
Token: SeBackupPrivilege	2860	TiWorker.exe
Token: SeRestorePrivilege	2860	TiWorker.exe
Token: SeSecurityPrivilege	2860	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.execmd.exe

description	pid	process	target process
PID 3288 wrote to memory of 3668	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	MediaCenter.exe
PID 3288 wrote to memory of 3668	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	MediaCenter.exe
PID 3288 wrote to memory of 3668	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	MediaCenter.exe
PID 3288 wrote to memory of 3968	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	cmd.exe
PID 3288 wrote to memory of 3968	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	cmd.exe
PID 3288 wrote to memory of 3968	3288	174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe	cmd.exe
PID 3968 wrote to memory of 3700	3968	cmd.exe	PING.EXE
PID 3968 wrote to memory of 3700	3968	cmd.exe	PING.EXE
PID 3968 wrote to memory of 3700	3968	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe
"C:\Users\Admin\AppData\Local\Temp\174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\174b2d50455161bd85f6e58135ad0e622421d351969d1ef19ef4dce53edee696.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3700

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:1992

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:2860

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
31e2a0456fa4758a4394218663cdae03

SHA1
217c7daf0f59d2681c014feab84d8686dbb15993

SHA256
1630345781d23f085aab1b811ff59bd82058dc8085d483b8b4e230e43523db2a

SHA512
bd860ba10224dd73fe74e9f1ff7c05f020626ae347cce8ff2f5c5711d63ac2190249b048fb034a59e068737a18c1e32b984e7581d39bd6ff4c2d775629e0b376

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

MD5
31e2a0456fa4758a4394218663cdae03

SHA1
217c7daf0f59d2681c014feab84d8686dbb15993

SHA256
1630345781d23f085aab1b811ff59bd82058dc8085d483b8b4e230e43523db2a

SHA512
bd860ba10224dd73fe74e9f1ff7c05f020626ae347cce8ff2f5c5711d63ac2190249b048fb034a59e068737a18c1e32b984e7581d39bd6ff4c2d775629e0b376

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads