sakula | 178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93

General

Target

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe
Size

60KB
MD5

a0f34a360d8773428a88616ecc973697
SHA1

9ec81928a9e4e76981b5af7f9328c9016f32ef57
SHA256

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93
SHA512

8e81a76a47d0c0866d4453ec1172dc0df0cab86d669255b5a1597df78511adc4ae77ef7fa991d0b02ecb43eef6f7510dd834b2c24b9cf320f91609db0e0ee870

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1724 MediaCenter.exe

pid	process
1724	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:

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.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"	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe

Drops file in Windows directory 1 IoCs

Processes:

TiWorker.exe

description ioc process

File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

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 19 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\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\Config\DODownloadMode = "1"	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\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\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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\Settings	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3240 PING.EXE

pid	process
3240	PING.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe
Token: SeSecurityPrivilege	2592	TiWorker.exe
Token: SeRestorePrivilege	2592	TiWorker.exe
Token: SeBackupPrivilege	2592	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.execmd.exe

description	pid	process	target process
PID 1200 wrote to memory of 1724	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	MediaCenter.exe
PID 1200 wrote to memory of 1724	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	MediaCenter.exe
PID 1200 wrote to memory of 1724	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	MediaCenter.exe
PID 1200 wrote to memory of 952	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	cmd.exe
PID 1200 wrote to memory of 952	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	cmd.exe
PID 1200 wrote to memory of 952	1200	178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe	cmd.exe
PID 952 wrote to memory of 3240	952	cmd.exe	PING.EXE
PID 952 wrote to memory of 3240	952	cmd.exe	PING.EXE
PID 952 wrote to memory of 3240	952	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe
"C:\Users\Admin\AppData\Local\Temp\178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1724

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\178c8e73f36157ad2d54c75adc03e7fa12b4992c3cda81af8a8a4f34df627b93.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:952

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3240

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3156

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:2592

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
998c06ed8170fec4fa656eb1cf849752

SHA1
6544fcdf5158af2df0908e808e3604cfb7a724a9

SHA256
21389c009de0dc2221e546c9a5794a89f7ccdac9a8cedb978107dee36929ca9c

SHA512
f37277e3480c5e57f82233b07fe21e1d03e2b3a9b49bdaa363528f958cee9c210d2e89322b1f92ecb571c74c27645fe5658f89ac96a58ed66c873240d185ab6f

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

MD5
998c06ed8170fec4fa656eb1cf849752

SHA1
6544fcdf5158af2df0908e808e3604cfb7a724a9

SHA256
21389c009de0dc2221e546c9a5794a89f7ccdac9a8cedb978107dee36929ca9c

SHA512
f37277e3480c5e57f82233b07fe21e1d03e2b3a9b49bdaa363528f958cee9c210d2e89322b1f92ecb571c74c27645fe5658f89ac96a58ed66c873240d185ab6f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads