sakula | 124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978

General

Target

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe
Size

80KB
MD5

0408fd82bdc1e62d84d063cbc9bc50fa
SHA1

64eae4b0aabdda55f65ee411b73267f0e742e7e4
SHA256

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978
SHA512

7b3989f634438b7fd88c48ccf35b4d36675b2b88b277fbb58b03675cac76044ca012c47cb87c40a336ae668b4c73b312dd54afa477f6bd8391ca4cb1071bed1a

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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2168 MediaCenter.exe

pid	process
2168	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:

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.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"	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\SwarmCount = "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\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\UploadMonthlyLanBytes = "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\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "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\SwarmCount = "1"	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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4384"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\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\DownloadMonthlyInternetBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.157950"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.037015"	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\DownloadMonthlyRateFrBps = "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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\Config	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\FrDownloadRatePct = "90"	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 = "19.991607"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1288 PING.EXE

pid	process
1288	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.execmd.exe

description	pid	process	target process
PID 1496 wrote to memory of 2168	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	MediaCenter.exe
PID 1496 wrote to memory of 2168	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	MediaCenter.exe
PID 1496 wrote to memory of 2168	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	MediaCenter.exe
PID 1496 wrote to memory of 1916	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	cmd.exe
PID 1496 wrote to memory of 1916	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	cmd.exe
PID 1496 wrote to memory of 1916	1496	124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe	cmd.exe
PID 1916 wrote to memory of 1288	1916	cmd.exe	PING.EXE
PID 1916 wrote to memory of 1288	1916	cmd.exe	PING.EXE
PID 1916 wrote to memory of 1288	1916	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe
"C:\Users\Admin\AppData\Local\Temp\124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2168

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\124bfa27002c66daef5702f2d5e335761944218479c7ad097577d5d45c116978.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1288

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:224

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:4024

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:3536

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
0032e7b96891f2c1aee11dafee5aa92c

SHA1
19110553e0d46da301653fdde3267cd5ac5bade6

SHA256
8cdce0ad7f22b9f8b74122ab07dca504734956635589e97b4a3f3d35c6ba2b82

SHA512
df9c400426fdaf370f527c0f69ae1df3357cf36c57b0a200cbc1e3ccca0df9453a1e35c2a0f67396f2e4aac4df57c41081d7b36737c071436fed6f538a293c77

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

MD5
0032e7b96891f2c1aee11dafee5aa92c

SHA1
19110553e0d46da301653fdde3267cd5ac5bade6

SHA256
8cdce0ad7f22b9f8b74122ab07dca504734956635589e97b4a3f3d35c6ba2b82

SHA512
df9c400426fdaf370f527c0f69ae1df3357cf36c57b0a200cbc1e3ccca0df9453a1e35c2a0f67396f2e4aac4df57c41081d7b36737c071436fed6f538a293c77

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads