sakula | 108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb

General

Target

108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe
Size

99KB
MD5

d83a405dabbfb12b36e1408dd44f1f6a
SHA1

a57543ef36bebb744e56d33afb540c9dadd8e154
SHA256

108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb
SHA512

767357caafd333cc2d33cbb84acfe96c26e6347086cce1f0afc40030a728e58ea5524748c0a71382d1d18004f08bcd450d181b0dc449bb63d8fc835eacc60dbd

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

2860 MediaCenter.exe

pid	process
2860	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:

108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.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"	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrCnt = "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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "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\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\NormalDownloadPendingCount = "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 (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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.147348"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4276"	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\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 (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\UploadMonthlyInternetBytes = "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\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\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\MemoryUsageKB = "4292"	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
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\UploadRatePct = "100"	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\PeerInfoCount = "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\BkDownloadRatePct = "45"	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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UploadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1168 PING.EXE

pid	process
1168	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe

description	pid	process
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeIncBasePriorityPrivilege	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe
Token: SeBackupPrivilege	1960	TiWorker.exe
Token: SeRestorePrivilege	1960	TiWorker.exe
Token: SeSecurityPrivilege	1960	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.execmd.exe

description	pid	process	target process
PID 4048 wrote to memory of 2860	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	MediaCenter.exe
PID 4048 wrote to memory of 2860	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	MediaCenter.exe
PID 4048 wrote to memory of 2860	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	MediaCenter.exe
PID 4048 wrote to memory of 1316	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	cmd.exe
PID 4048 wrote to memory of 1316	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	cmd.exe
PID 4048 wrote to memory of 1316	4048	108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe	cmd.exe
PID 1316 wrote to memory of 1168	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 1168	1316	cmd.exe	PING.EXE
PID 1316 wrote to memory of 1168	1316	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe
"C:\Users\Admin\AppData\Local\Temp\108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4048

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\108c647a1441c9868279a4c0156bc8b06666e93cce4b1c02886636d32e16f3bb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1168

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3720

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2212

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:1960

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
127f3f9f962f7afe4be32e2127bf54d7

SHA1
92e5823f6181acd5f68abcdf02dd62b1a43cc83c

SHA256
da0a1a4bfa5abf0c5e80ef6091a17b2229ceff41e82cd1514b55cc06a0369916

SHA512
ebdaa5a0e87855fb71e7407508186a4f2baf2b603f024eb3d9ed6e2ca13afb4d0d50bd3fca6eef0f094d301bf3378518ff0fa77ab84c029be391e190a91132c3

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

MD5
127f3f9f962f7afe4be32e2127bf54d7

SHA1
92e5823f6181acd5f68abcdf02dd62b1a43cc83c

SHA256
da0a1a4bfa5abf0c5e80ef6091a17b2229ceff41e82cd1514b55cc06a0369916

SHA512
ebdaa5a0e87855fb71e7407508186a4f2baf2b603f024eb3d9ed6e2ca13afb4d0d50bd3fca6eef0f094d301bf3378518ff0fa77ab84c029be391e190a91132c3

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads