sakula | 16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6

General

Target

16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe
Size

80KB
MD5

99ce488e6012226640f1162b618895dd
SHA1

537789a244026cc42363590620655ec4eaae7d71
SHA256

16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6
SHA512

82b8ed9d5434b5c654fd756bf47e65eee389855b4e6fd93c49f66ff16bf77d34d3164bed2a42c6c972c2319704623bc7e462c33e019bc5e91bfef88ad7e00a68

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

3236 MediaCenter.exe

pid	process
3236	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:

16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.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"	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1152 PING.EXE

pid	process
1152	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	2420	svchost.exe
Token: SeCreatePagefilePrivilege	2420	svchost.exe
Token: SeShutdownPrivilege	2420	svchost.exe
Token: SeCreatePagefilePrivilege	2420	svchost.exe
Token: SeShutdownPrivilege	2420	svchost.exe
Token: SeCreatePagefilePrivilege	2420	svchost.exe
Token: SeIncBasePriorityPrivilege	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.execmd.exe

description	pid	process	target process
PID 4708 wrote to memory of 3236	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	MediaCenter.exe
PID 4708 wrote to memory of 3236	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	MediaCenter.exe
PID 4708 wrote to memory of 3236	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	MediaCenter.exe
PID 4708 wrote to memory of 872	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	cmd.exe
PID 4708 wrote to memory of 872	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	cmd.exe
PID 4708 wrote to memory of 872	4708	16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe	cmd.exe
PID 872 wrote to memory of 1152	872	cmd.exe	PING.EXE
PID 872 wrote to memory of 1152	872	cmd.exe	PING.EXE
PID 872 wrote to memory of 1152	872	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe
"C:\Users\Admin\AppData\Local\Temp\16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16ef621a256c1d95bb9c100d4fdb5db3425eb4a0ed34bcce2756069d3c7531f6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2420

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:3356

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
f5f91e4c51c086b4c1a2c44ca789de70

SHA1
a4d96112e743eeef0de0ed771faae173ee7d2d89

SHA256
66693cc19aada67e9ae77cf486329627d9eb765ab0e6b6187d75dc38e2fbdb1c

SHA512
1d6496b45ec6e0e248b51a72f5d6600ec5ec5b527e196f6d2122dfb5311313a7da749f530da25fe655da2d063190529a3e0afa0b19560a9569a58ae670311bf2

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

MD5
f5f91e4c51c086b4c1a2c44ca789de70

SHA1
a4d96112e743eeef0de0ed771faae173ee7d2d89

SHA256
66693cc19aada67e9ae77cf486329627d9eb765ab0e6b6187d75dc38e2fbdb1c

SHA512
1d6496b45ec6e0e248b51a72f5d6600ec5ec5b527e196f6d2122dfb5311313a7da749f530da25fe655da2d063190529a3e0afa0b19560a9569a58ae670311bf2

Download Submit
memory/2420-132-0x000002595EB90000-0x000002595EBA0000-memory.dmp

Filesize
64KB

Download
memory/2420-133-0x000002595F120000-0x000002595F130000-memory.dmp

Filesize
64KB

Download
memory/2420-134-0x0000025961810000-0x0000025961814000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads