sakula | 092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b

General

Target

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe
Size

220KB
MD5

f5c15cc4889cdd4d31820200d681e4d9
SHA1

cb806b39e46c8d09087046c6c12e758ee31bc7c2
SHA256

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b
SHA512

c9da5e090954a92044858d9cbbb1d424414273b26ca70fc882769eba666f40b78f461d121962fe18e08cb1d86acb4fa3996ecc43a5211124fc1bcb55e66a2d9c

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 4 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/3472-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3556-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3556 MediaCenter.exe

pid	process
3556	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:

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.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"	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

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

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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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 (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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.182063"	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\Config\DownloadMode_BackCompat = "1"	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\Config\KVFileExpirationTime = "132893095258485764"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyCdnBytes = "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\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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "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 (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\Usage\DownlinkUsageBps = "0"	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\LANConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4364"	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\UploadMonthlyLanBytes = "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\UploadRatePct = "100"	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\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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\NormalDownloadPendingCount = "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\MonthlyUploadRestriction = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125175"	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\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

768 PING.EXE

pid	process
768	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe
Token: SeBackupPrivilege	2936	TiWorker.exe
Token: SeRestorePrivilege	2936	TiWorker.exe
Token: SeSecurityPrivilege	2936	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.execmd.exe

description	pid	process	target process
PID 3472 wrote to memory of 3556	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	MediaCenter.exe
PID 3472 wrote to memory of 3556	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	MediaCenter.exe
PID 3472 wrote to memory of 3556	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	MediaCenter.exe
PID 3472 wrote to memory of 2884	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	cmd.exe
PID 3472 wrote to memory of 2884	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	cmd.exe
PID 3472 wrote to memory of 2884	3472	092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe	cmd.exe
PID 2884 wrote to memory of 768	2884	cmd.exe	PING.EXE
PID 2884 wrote to memory of 768	2884	cmd.exe	PING.EXE
PID 2884 wrote to memory of 768	2884	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe
"C:\Users\Admin\AppData\Local\Temp\092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3556

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\092e78a8f5e97146cdd929f71d8f290605a3d7978395edb55d99b6fac239995b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:768

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2084

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:880

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:2936

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
9d2ea0ff915dcc4488d0dd769c9b0f68

SHA1
4eb9d3c9e4136257a187d6029e79e5db623d7ca9

SHA256
9bdc6a9cbb0ad9d4127732807c5fc0449643a4a0e7c469eb5994dd4eafb9b4bf

SHA512
3e05dbe5515e281560ea1a9b9a38d0d835fab500c89c2b1d452afdf14e5d89bea44b617a8593245cfcc767425bd7851f36fddc19c56bd5813518264c3f407703

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9d2ea0ff915dcc4488d0dd769c9b0f68

SHA1
4eb9d3c9e4136257a187d6029e79e5db623d7ca9

SHA256
9bdc6a9cbb0ad9d4127732807c5fc0449643a4a0e7c469eb5994dd4eafb9b4bf

SHA512
3e05dbe5515e281560ea1a9b9a38d0d835fab500c89c2b1d452afdf14e5d89bea44b617a8593245cfcc767425bd7851f36fddc19c56bd5813518264c3f407703

Download Submit
memory/3472-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3556-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads