sakula | 1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a

General

Target

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe
Size

188KB
MD5

a2274dba4f28c79029c3c8e453ce2017
SHA1

ce0787086edd1e48bf99741fa7f5266ece5c4920
SHA256

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a
SHA512

f3856a0010cb02e6f4d5a8aa0326d1f6d166399f3d794de615765feef0bd0872bad826dfc6ed5ed180bed544b5b895eacb0be5776a2f8d4cde27f5e51b6aed6e

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/3276-132-0x0000000000400000-0x0000000000420000-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:

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.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"	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 46 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.253742"	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\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\CacheSizeBytes = "0"	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\MemoryUsageKB = "4332"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.491905"	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\DownloadMonthlyCacheHostBytes = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.243394"	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\DownloadMonthlyLinkLocalBytes = "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\CDNConnectionCount = "0"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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\SwarmCount = "1"	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\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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\Settings	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\DownloadMonthlyGroupBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2804 PING.EXE

pid	process
2804	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.execmd.exe

description	pid	process	target process
PID 3276 wrote to memory of 2600	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	MediaCenter.exe
PID 3276 wrote to memory of 2600	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	MediaCenter.exe
PID 3276 wrote to memory of 2600	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	MediaCenter.exe
PID 3276 wrote to memory of 496	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	cmd.exe
PID 3276 wrote to memory of 496	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	cmd.exe
PID 3276 wrote to memory of 496	3276	1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe	cmd.exe
PID 496 wrote to memory of 2804	496	cmd.exe	PING.EXE
PID 496 wrote to memory of 2804	496	cmd.exe	PING.EXE
PID 496 wrote to memory of 2804	496	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe
"C:\Users\Admin\AppData\Local\Temp\1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276

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\1776865e40d828e86090c8b7fdce44566d5c91502ff45a0b176d1e8ca6a7320a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:496

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2804

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3020

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3636

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:2628

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
b19ca8079927f22c2702e41be8af068f

SHA1
22d7cede482244fe056a92c7d2b52963a93119ab

SHA256
cff3c2a41587d53355d3c2496074cf7e9fb7f6bda81a295757c84e05642b6bda

SHA512
937c624ff3732b62bb7b446652698aa21e3f2c52369ba9d400d16f0159132238277ee7962fb798dbab11171fd63a6d0b8d8030b81a608b15450d00b95110de43

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

MD5
b19ca8079927f22c2702e41be8af068f

SHA1
22d7cede482244fe056a92c7d2b52963a93119ab

SHA256
cff3c2a41587d53355d3c2496074cf7e9fb7f6bda81a295757c84e05642b6bda

SHA512
937c624ff3732b62bb7b446652698aa21e3f2c52369ba9d400d16f0159132238277ee7962fb798dbab11171fd63a6d0b8d8030b81a608b15450d00b95110de43

Download Submit
memory/3276-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads