sakula | 02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc

General

Target

02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe
Size

192KB
MD5

62595eefb6b2b43ae9bb3aeb615c0efc
SHA1

21c6a7d116e54d8b13cd82f3f083861d474709c2
SHA256

02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc
SHA512

8b379eb162565c6d08064a55bd332bc3811715795ed1ae71cc53b1f9e00c27410beaf4ab0fabdb9c7f6c62edbe680401f0482d9fb8069c1f8bfeadea92d5c96a

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

1776 MediaCenter.exe

pid	process
1776	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:

02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.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"	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.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 (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\PeerInfoCount = "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\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\DownloadMonthlyCacheHostBytes = "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\UplinkUsageBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893198242029282"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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
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\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 = "2.173947"	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\DownlinkBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.061315"	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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125008"	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\UploadMonthlyLanBytes = "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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076"	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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2916 PING.EXE

pid	process
2916	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe

description	pid	process
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.execmd.exe

description	pid	process	target process
PID 2492 wrote to memory of 1776	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	MediaCenter.exe
PID 2492 wrote to memory of 1776	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	MediaCenter.exe
PID 2492 wrote to memory of 1776	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	MediaCenter.exe
PID 2492 wrote to memory of 2784	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	cmd.exe
PID 2492 wrote to memory of 2784	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	cmd.exe
PID 2492 wrote to memory of 2784	2492	02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe	cmd.exe
PID 2784 wrote to memory of 2916	2784	cmd.exe	PING.EXE
PID 2784 wrote to memory of 2916	2784	cmd.exe	PING.EXE
PID 2784 wrote to memory of 2916	2784	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe
"C:\Users\Admin\AppData\Local\Temp\02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  PID:1776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02077eb1a90a627437332b87c90a12aac03e6d78c141020dcf607ed48382e1bc.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2916

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3732

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:2252

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:3264

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
c6efa336985c16169af195b9b0bd7b9c

SHA1
1e71ce1c5021def56737848c50a43593a06ba784

SHA256
779c077cab6a5e027930fa4fd963a3678cb77699a73d902b535087ec18a2c959

SHA512
e9e8bc1542beb6f72fe8c892f8f71167127f2aad798235217b4222b5758f42d85e7f72831a83b79d888b7db66e8a977b9d733dc5ac14434e4a65d4b1ab7ee96d

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

MD5
c6efa336985c16169af195b9b0bd7b9c

SHA1
1e71ce1c5021def56737848c50a43593a06ba784

SHA256
779c077cab6a5e027930fa4fd963a3678cb77699a73d902b535087ec18a2c959

SHA512
e9e8bc1542beb6f72fe8c892f8f71167127f2aad798235217b4222b5758f42d85e7f72831a83b79d888b7db66e8a977b9d733dc5ac14434e4a65d4b1ab7ee96d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads