sakula | 157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c

General

Target

157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe
Size

99KB
MD5

f7232c289ce68b23ee08b8a951328671
SHA1

58b8e6ad0406b5aca509aaefbf7d34cf9b7e1dbf
SHA256

157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c
SHA512

3397fa63b94202776478257f5a0b2622846acf7861d7fafcdd32e7cd784486f8a5b41a59ec5911116f4c67ab6a16a1020a2994f3fa7089208cdbddfae969f97f

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

1904 MediaCenter.exe

pid	process
1904	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:

157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.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"	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892897373974645"	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\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\MemoryUsageKB = "4256"	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 (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\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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.080841"	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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadCount = "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\DownloadMonthlyGroupBytes = "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\GroupConnectionCount = "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\MemoryUsageKB = "4092"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\MemoryUsageKB = "4284"	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\Usage	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\UplinkUsageBps = "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\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 = "2.272786"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4088 PING.EXE

pid	process
4088	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe

description	pid	process
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe
Token: SeBackupPrivilege	2900	TiWorker.exe
Token: SeRestorePrivilege	2900	TiWorker.exe
Token: SeSecurityPrivilege	2900	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.execmd.exe

description	pid	process	target process
PID 2372 wrote to memory of 1904	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	MediaCenter.exe
PID 2372 wrote to memory of 1904	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	MediaCenter.exe
PID 2372 wrote to memory of 1904	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	MediaCenter.exe
PID 2372 wrote to memory of 1692	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	cmd.exe
PID 2372 wrote to memory of 1692	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	cmd.exe
PID 2372 wrote to memory of 1692	2372	157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe	cmd.exe
PID 1692 wrote to memory of 4088	1692	cmd.exe	PING.EXE
PID 1692 wrote to memory of 4088	1692	cmd.exe	PING.EXE
PID 1692 wrote to memory of 4088	1692	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe
"C:\Users\Admin\AppData\Local\Temp\157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1904

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157bd4606a8c89497be76370c2b8a1e39bd1c0fd375fde4277c52685f7f5846c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4088

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:716

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:1648

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:2900

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
d5d445d08708609ea4730bd2f9cf92c7

SHA1
4b64190d2a3f689e8f0312bb425231fcacf5f486

SHA256
c7e5cd46640571cf7a377c5f62922e56508a90ca73a47a406267f6f7ecad801b

SHA512
d23f384d9302c09f269dc1395adec7852050f2cabd6c95f49d1a7af30c7a86a2f61c736e592f8aa23643b8c944bef47bb06ee69e7df35a2bdf11f15ea53ea90d

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

MD5
d5d445d08708609ea4730bd2f9cf92c7

SHA1
4b64190d2a3f689e8f0312bb425231fcacf5f486

SHA256
c7e5cd46640571cf7a377c5f62922e56508a90ca73a47a406267f6f7ecad801b

SHA512
d23f384d9302c09f269dc1395adec7852050f2cabd6c95f49d1a7af30c7a86a2f61c736e592f8aa23643b8c944bef47bb06ee69e7df35a2bdf11f15ea53ea90d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads