sakula | 15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a

General

Target

15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe
Size

36KB
MD5

495a1f269b8ebed73da700578db0e0ef
SHA1

55a9c807edfc1dca15defa82c0218e0c1aac8d48
SHA256

15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a
SHA512

1608302654fe2ac118d3973837b6084e3600bad954cfa26dd9d9762d2007191a82d36357d3e6ff0ff4e1acd98d5d7b7c76a58466ee17a8a2475c7a8f813fd568

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

1348 MediaCenter.exe

pid	process
1348	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:

15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.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"	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.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 46 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\GroupConnectionCount = "0"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244"	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\CDNConnectionCount = "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\MonthlyUploadRestriction = "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\Config\DownloadMode_BackCompat = "1"	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\DownlinkBps = "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\BkDownloadRatePct = "45"	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\UploadMonthlyLanBytes = "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\UplinkUsageBps = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\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\DownloadMonthlyRateFrBps = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3992"	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\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.077580"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236"	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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1908 PING.EXE

pid	process
1908	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe
Token: SeRestorePrivilege	3604	TiWorker.exe
Token: SeSecurityPrivilege	3604	TiWorker.exe
Token: SeBackupPrivilege	3604	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.execmd.exe

description	pid	process	target process
PID 3948 wrote to memory of 1348	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	MediaCenter.exe
PID 3948 wrote to memory of 1348	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	MediaCenter.exe
PID 3948 wrote to memory of 1348	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	MediaCenter.exe
PID 3948 wrote to memory of 2980	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	cmd.exe
PID 3948 wrote to memory of 2980	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	cmd.exe
PID 3948 wrote to memory of 2980	3948	15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe	cmd.exe
PID 2980 wrote to memory of 1908	2980	cmd.exe	PING.EXE
PID 2980 wrote to memory of 1908	2980	cmd.exe	PING.EXE
PID 2980 wrote to memory of 1908	2980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe
"C:\Users\Admin\AppData\Local\Temp\15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3948

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1348

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a6601fa4ced52983761e49fa7d3b9c02a2eb69cca2b3396fb4d97b16abdf9a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1908

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2548

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:2188

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:3604

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
9b7347c66a0564a632a4fb251997507b

SHA1
f2accbb9f894d4f6ff63d41d45e1bd89c7e424ef

SHA256
a09eabe5e644191ff0e074214655c09540a1566a9c941042a5e8fd57033a2117

SHA512
79bc11748d7d0223a54692bef2362fa56a1930c1fb040167ee3f0e5e3f8e69cbda0fdb3c4f7640dbcfe195d08fd404968feb3a054b20c2614b28b48fbcce300e

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

MD5
9b7347c66a0564a632a4fb251997507b

SHA1
f2accbb9f894d4f6ff63d41d45e1bd89c7e424ef

SHA256
a09eabe5e644191ff0e074214655c09540a1566a9c941042a5e8fd57033a2117

SHA512
79bc11748d7d0223a54692bef2362fa56a1930c1fb040167ee3f0e5e3f8e69cbda0fdb3c4f7640dbcfe195d08fd404968feb3a054b20c2614b28b48fbcce300e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads