sakula | 0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28

General

Target

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe
Size

36KB
MD5

c01803fac4a2e68244efe17e7f4a11df
SHA1

f51e2a687257adc02fd00155726a6eccd119a599
SHA256

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28
SHA512

38441fcda5f18fe1aa5bc92c28391906578ecd99ab43f33033224a731f8e9c8680e68d7f7e065dec4340d984d63c48375c866e669e9ae620ae2db5c23f72a954

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3752-133-0x0000000000360000-0x0000000000379000-memory.dmp	family_sakula
behavioral2/memory/2664-136-0x0000000000250000-0x0000000000269000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2664 MediaCenter.exe

pid	process
2664	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:

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.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"	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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 = "4108"	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\PriorityDownloadPendingCount = "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\Settings	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\Usage	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\DownloadMonthlyLinkLocalBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.353559"	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\FrDownloadRatePct = "90"	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\Config	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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "1"	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 = "0.073871"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\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\DownloadMonthlyLanBytes = "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\CDNConnectionCount = "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\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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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 = "132893014729929689"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.068921"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1888 PING.EXE

pid	process
1888	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe
Token: SeBackupPrivilege	1496	TiWorker.exe
Token: SeRestorePrivilege	1496	TiWorker.exe
Token: SeSecurityPrivilege	1496	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.execmd.exe

description	pid	process	target process
PID 3752 wrote to memory of 2664	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	MediaCenter.exe
PID 3752 wrote to memory of 2664	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	MediaCenter.exe
PID 3752 wrote to memory of 2664	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	MediaCenter.exe
PID 3752 wrote to memory of 640	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	cmd.exe
PID 3752 wrote to memory of 640	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	cmd.exe
PID 3752 wrote to memory of 640	3752	0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe	cmd.exe
PID 640 wrote to memory of 1888	640	cmd.exe	PING.EXE
PID 640 wrote to memory of 1888	640	cmd.exe	PING.EXE
PID 640 wrote to memory of 1888	640	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe
"C:\Users\Admin\AppData\Local\Temp\0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3752

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d3c2f88694fee75e9cb349c916c86d676aeaf61c98b5df2206f122e56d3ef28.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1888

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:1880

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:1496

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
b6e3cb29dcb3f37c7e5ff0e4948f7105

SHA1
8a7c2c812f8c29243dc91c7d208d0a2b4ff33c88

SHA256
d84c3ce619cebaf7177190451740da8c5d77c733bba0fb798f6c1fcd464ecded

SHA512
6aa5fe8d37984bc7685ee22a4ca9f12a9dd1d39b82d25c16447f4177492c3bb1edf04d360c5179a59b80b2ef55d746f041f91e3b6c3b6703ed4e9b6e5af8008e

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

MD5
b6e3cb29dcb3f37c7e5ff0e4948f7105

SHA1
8a7c2c812f8c29243dc91c7d208d0a2b4ff33c88

SHA256
d84c3ce619cebaf7177190451740da8c5d77c733bba0fb798f6c1fcd464ecded

SHA512
6aa5fe8d37984bc7685ee22a4ca9f12a9dd1d39b82d25c16447f4177492c3bb1edf04d360c5179a59b80b2ef55d746f041f91e3b6c3b6703ed4e9b6e5af8008e

Download Submit
memory/2664-136-0x0000000000250000-0x0000000000269000-memory.dmp

Filesize
100KB

Download
memory/2664-138-0x0000000000930000-0x0000000000937000-memory.dmp

Filesize
28KB

Download
memory/3752-133-0x0000000000360000-0x0000000000379000-memory.dmp

Filesize
100KB

Download
memory/3752-137-0x00000000008B0000-0x00000000008B7000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads