sakula | 0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2

General

Target

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe
Size

36KB
MD5

58b85fe202bd721279e3c949a768d001
SHA1

ffade5ca25c2b345143d139cfc6b525b99ea7491
SHA256

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2
SHA512

ca2f2d0e1517dead1a5a7f363525e211fa48051eed6482b26b588179b4ab530626f30186233e9e199ad43ef2abf419643969c5de9ffb360711791ea6bdf5cd52

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

1240 MediaCenter.exe

pid	process
1240	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:

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.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"	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.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 (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\GroupConnectionCount = "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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\UploadMonthlyInternetBytes = "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\InternetConnectionCount = "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\PriorityDownloadPendingCount = "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\Usage\CPUpct = "24.996560"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000131"	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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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\UplinkBps = "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\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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.090318"	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\SwarmCount = "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\MonthID = "2"	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\FrDownloadRatePct = "90"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1780 PING.EXE

pid	process
1780	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe
Token: SeBackupPrivilege	2132	TiWorker.exe
Token: SeRestorePrivilege	2132	TiWorker.exe
Token: SeSecurityPrivilege	2132	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.execmd.exe

description	pid	process	target process
PID 1092 wrote to memory of 1240	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	MediaCenter.exe
PID 1092 wrote to memory of 1240	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	MediaCenter.exe
PID 1092 wrote to memory of 1240	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	MediaCenter.exe
PID 1092 wrote to memory of 2172	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	cmd.exe
PID 1092 wrote to memory of 2172	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	cmd.exe
PID 1092 wrote to memory of 2172	1092	0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe	cmd.exe
PID 2172 wrote to memory of 1780	2172	cmd.exe	PING.EXE
PID 2172 wrote to memory of 1780	2172	cmd.exe	PING.EXE
PID 2172 wrote to memory of 1780	2172	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe
"C:\Users\Admin\AppData\Local\Temp\0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fb541e92b7601f6afbc63183dd753cdd57c0bf83c6f910cc66c55a2838ddcb2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1780

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3000

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:228

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:2132

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
4d2413476c60e2bc2313bdb50c814d35

SHA1
4af985194d370c60336188e4e0ca1cc0d4a4d359

SHA256
aa37fc96b078782cfee88003544f8f8ac2ca1758a08ad0d8646381e7ea3674b9

SHA512
a441d7f9e3505a7377c4824d97118b65c87629e337aee4a948e6722156ffd7f26d196e57deb2d5ae5292ed2bdf6d80a78cb985f5d325c882eaca21fd52e99594

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

MD5
4d2413476c60e2bc2313bdb50c814d35

SHA1
4af985194d370c60336188e4e0ca1cc0d4a4d359

SHA256
aa37fc96b078782cfee88003544f8f8ac2ca1758a08ad0d8646381e7ea3674b9

SHA512
a441d7f9e3505a7377c4824d97118b65c87629e337aee4a948e6722156ffd7f26d196e57deb2d5ae5292ed2bdf6d80a78cb985f5d325c882eaca21fd52e99594

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads