sakula | 138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c

General

Target

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe
Size

216KB
MD5

476bbb40555295c09c0902bd4ca2fd22
SHA1

d183fc03fb6db02e6532971517d609889d73d5e6
SHA256

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c
SHA512

f44a01eca4094ffd160f5f8f1b179e4cfbfcbf1cdd74967a30f62508443a9ed060980cdf3f4a8748038a2356ffb2798b61f55aa67e8a50ca1dd2b92b5cd81888

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 3 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
behavioral2/memory/2852-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2600 MediaCenter.exe

pid	process
2600	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:

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.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"	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "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\MemoryUsageKB = "4184"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyCdnBytes = "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\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\CDNConnectionCount = "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\UplinkUsageBps = "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 = "0.132676"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.511190"	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\UploadRatePct = "100"	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\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\DownloadMonthlyGroupBytes = "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\Config\DODownloadMode = "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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.352106"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	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\UploadMonthlyLanBytes = "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\MonthID = "2"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateBkCnt = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4076 PING.EXE

pid	process
4076	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.execmd.exe

description	pid	process	target process
PID 2852 wrote to memory of 2600	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	MediaCenter.exe
PID 2852 wrote to memory of 2600	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	MediaCenter.exe
PID 2852 wrote to memory of 2600	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	MediaCenter.exe
PID 2852 wrote to memory of 4032	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	cmd.exe
PID 2852 wrote to memory of 4032	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	cmd.exe
PID 2852 wrote to memory of 4032	2852	138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe	cmd.exe
PID 4032 wrote to memory of 4076	4032	cmd.exe	PING.EXE
PID 4032 wrote to memory of 4076	4032	cmd.exe	PING.EXE
PID 4032 wrote to memory of 4076	4032	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe
"C:\Users\Admin\AppData\Local\Temp\138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\138028b974d2d83c458f53eeda2d6e7d4faeeb12a82c57a67bbb840d8635a07c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4076

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2660

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3904

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:1916

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
13a27dc9549bfd13289856c1fc5dcc72

SHA1
40d64c47d0b434aec2d5c25ef3baa56c336eaebc

SHA256
f2d31975d48a4069d937e176f09094387c73f7a276eb779f1180bf6c043008f0

SHA512
3a23a79cb002a3fe8a655420d054887cb1e8277b91db1cfb9251e3e0623cb67cf2a7708bb8bf5544b4ab864c9e22b81d7553037cd396e19bdb17de5e0042cf7c

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

MD5
13a27dc9549bfd13289856c1fc5dcc72

SHA1
40d64c47d0b434aec2d5c25ef3baa56c336eaebc

SHA256
f2d31975d48a4069d937e176f09094387c73f7a276eb779f1180bf6c043008f0

SHA512
3a23a79cb002a3fe8a655420d054887cb1e8277b91db1cfb9251e3e0623cb67cf2a7708bb8bf5544b4ab864c9e22b81d7553037cd396e19bdb17de5e0042cf7c

Download Submit
memory/2852-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads