sakula | 10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01

General

Target

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe
Size

88KB
MD5

b3e3a29e6fc1894a683d081164163ae2
SHA1

265e3cbae5fa432a01a2a2b5e2fb97ed639a2a26
SHA256

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01
SHA512

67aa72b563e0665de3e4cb2a7f3a8a7d9c6e0a1bb64d488f4e5415831077e77ae3f7c999c64d4aed77ffd824f49546a8b8e7e095bd867d2628d2d1a7efa67721

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/3640-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3664-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3664 MediaCenter.exe

pid	process
3664	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:

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.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"	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.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\Config\DownloadMode_BackCompat = "1"	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 = "132892960943819350"	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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.111519"	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\DownloadMonthlyGroupBytes = "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
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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\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\LANConnectionCount = "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\DownlinkBps = "0"	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\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.976172"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "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 (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\SwarmCount = "1"	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\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\CDNConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3932 PING.EXE

pid	process
3932	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe
Token: SeBackupPrivilege	872	TiWorker.exe
Token: SeRestorePrivilege	872	TiWorker.exe
Token: SeSecurityPrivilege	872	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.execmd.exe

description	pid	process	target process
PID 3640 wrote to memory of 3664	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	MediaCenter.exe
PID 3640 wrote to memory of 3664	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	MediaCenter.exe
PID 3640 wrote to memory of 3664	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	MediaCenter.exe
PID 3640 wrote to memory of 4012	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	cmd.exe
PID 3640 wrote to memory of 4012	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	cmd.exe
PID 3640 wrote to memory of 4012	3640	10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe	cmd.exe
PID 4012 wrote to memory of 3932	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 3932	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 3932	4012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe
"C:\Users\Admin\AppData\Local\Temp\10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10e7e712a73e27c909acd8f7bbf7650ccae8d4d14ba627f6f507c09c118bbb01.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3932

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1036

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:3680

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:872

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
5d3b64ca2fbecc4a700b28b1682ba4ca

SHA1
8f72c9e245f562eaafa08e5d47b5d301cbdb8f49

SHA256
37bf6a28ea9f71ea3cd265d9ce07b9fe2f29156665dcc1dff07ba9f5e93e6b41

SHA512
aaeb7ce01a149aae2c6f58bd9beff48cfa216b333f1946dd5b5e08d36729b3929ec8fbcf29e5924480d4775f2939e535e53c34c8465577c72a72c825ef03b138

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

MD5
5d3b64ca2fbecc4a700b28b1682ba4ca

SHA1
8f72c9e245f562eaafa08e5d47b5d301cbdb8f49

SHA256
37bf6a28ea9f71ea3cd265d9ce07b9fe2f29156665dcc1dff07ba9f5e93e6b41

SHA512
aaeb7ce01a149aae2c6f58bd9beff48cfa216b333f1946dd5b5e08d36729b3929ec8fbcf29e5924480d4775f2939e535e53c34c8465577c72a72c825ef03b138

Download Submit
memory/3640-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3664-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads