sakula | 07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d

General

Target

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe
Size

101KB
MD5

c4f7532dce051e9f9f03d0135cd27294
SHA1

a2785e7a82e8d55dff0d747ea15ec5c443a168b9
SHA256

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d
SHA512

9226d61dafba4f46486106e4b4e5248c420a584925e0792edccfeb652d7310f01d4f61c19ee6c8d0874149aa813bd82b8f5f063eeb6b0f6edb3dd60810f421e1

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

1320 MediaCenter.exe

pid	process
1320	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:

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.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"	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.220265"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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\DownloadMonthlyRateFrCnt = "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\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\MemoryUsageKB = "4172"	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
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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132893123441046991"	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\CDNConnectionCount = "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\UploadMonthlyInternetBytes = "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 (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 (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\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\DownloadMonthlyCdnBytes = "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\DownlinkBps = "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\DownloadMonthlyLinkLocalBytes = "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\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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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
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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.269023"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3372 PING.EXE

pid	process
3372	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe
Token: SeBackupPrivilege	3248	TiWorker.exe
Token: SeRestorePrivilege	3248	TiWorker.exe
Token: SeSecurityPrivilege	3248	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.execmd.exe

description	pid	process	target process
PID 4016 wrote to memory of 1320	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	MediaCenter.exe
PID 4016 wrote to memory of 1320	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	MediaCenter.exe
PID 4016 wrote to memory of 1320	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	MediaCenter.exe
PID 4016 wrote to memory of 2556	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	cmd.exe
PID 4016 wrote to memory of 2556	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	cmd.exe
PID 4016 wrote to memory of 2556	4016	07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe	cmd.exe
PID 2556 wrote to memory of 3372	2556	cmd.exe	PING.EXE
PID 2556 wrote to memory of 3372	2556	cmd.exe	PING.EXE
PID 2556 wrote to memory of 3372	2556	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe
"C:\Users\Admin\AppData\Local\Temp\07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4016

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1320

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07a9ff41f4f2a4eac223cb1c89766e2f16d8ef169e29a3af8e8c160c6264d18d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3372

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2964

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:3972

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:3248

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
35f25794b26b5f8ee3efc5c6069a1bb9

SHA1
dfb9cf0cfa98f4355acabb412278d82ddfa4b279

SHA256
e5cc11764a5c60adf749f796e22863dc58198564c2e91ef9bb94ed205e7b88fa

SHA512
1f2e5cde57f63c72b84b5112e08725d132c40a9f22196cfc220424669ed7abd0f7dde4114766233913fbfbd872b3a8713724ffc6e8231da0cf8c6b7648cf5802

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
35f25794b26b5f8ee3efc5c6069a1bb9

SHA1
dfb9cf0cfa98f4355acabb412278d82ddfa4b279

SHA256
e5cc11764a5c60adf749f796e22863dc58198564c2e91ef9bb94ed205e7b88fa

SHA512
1f2e5cde57f63c72b84b5112e08725d132c40a9f22196cfc220424669ed7abd0f7dde4114766233913fbfbd872b3a8713724ffc6e8231da0cf8c6b7648cf5802

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads