sakula | 0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1

General

Target

0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe
Size

191KB
MD5

8cc40fe7f09f962da711ada57bc8425a
SHA1

aabbc9d125f180f3a8a72b5ac3e371e3867d99e4
SHA256

0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1
SHA512

89ef5a0658cc22c4cada3f8a9c265c020e8310b0d2b030718c2c9f22ff7fd3a38b340bace5bc18583c3924a52a9a01b282b5f518441add46ecdb44997a18e4d2

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

1468 MediaCenter.exe

pid	process
1468	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:

0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.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"	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4380"	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\DownlinkBps = "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\Usage\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4376"	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\Config\KVFileExpirationTime = "132893038898341247"	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\BkDownloadRatePct = "45"	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\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.537729"	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.941236"	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\FrDownloadRatePct = "90"	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\GroupConnectionCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkBps = "0"	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\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\SwarmCount = "1"	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\UplinkBps = "0"	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
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\UplinkUsageBps = "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\NormalDownloadCount = "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\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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3084 PING.EXE

pid	process
3084	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe

description	pid	process
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe
Token: SeBackupPrivilege	2644	TiWorker.exe
Token: SeRestorePrivilege	2644	TiWorker.exe
Token: SeSecurityPrivilege	2644	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.execmd.exe

description	pid	process	target process
PID 3532 wrote to memory of 1468	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	MediaCenter.exe
PID 3532 wrote to memory of 1468	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	MediaCenter.exe
PID 3532 wrote to memory of 1468	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	MediaCenter.exe
PID 3532 wrote to memory of 3076	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	cmd.exe
PID 3532 wrote to memory of 3076	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	cmd.exe
PID 3532 wrote to memory of 3076	3532	0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe	cmd.exe
PID 3076 wrote to memory of 3084	3076	cmd.exe	PING.EXE
PID 3076 wrote to memory of 3084	3076	cmd.exe	PING.EXE
PID 3076 wrote to memory of 3084	3076	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe
"C:\Users\Admin\AppData\Local\Temp\0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1468

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b742c90655464de926f6cd72a875b89e6f11350340ca63fd8872817595755e1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3084

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⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:616

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:2644

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
bd0f804c9971c63959ff871d7ff54819

SHA1
03902baa4811045cceecd7b1a0f1d9d30b27a64c

SHA256
b79244c78af107445a0dfaffe42a971ecd43ccdfc5bde10e997d3936b6483c7a

SHA512
5bacc7a3ea502b9615a4df3c88adeaefccd5693731d1907054c8f697419ae0a907173badae80422fe8a54a62df2e9da9143c2de02d10dfbada0c6bdb3e3ac4ee

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

MD5
bd0f804c9971c63959ff871d7ff54819

SHA1
03902baa4811045cceecd7b1a0f1d9d30b27a64c

SHA256
b79244c78af107445a0dfaffe42a971ecd43ccdfc5bde10e997d3936b6483c7a

SHA512
5bacc7a3ea502b9615a4df3c88adeaefccd5693731d1907054c8f697419ae0a907173badae80422fe8a54a62df2e9da9143c2de02d10dfbada0c6bdb3e3ac4ee

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads