sakula | 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a

Analysis

max time kernel
136s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2022 08:51

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General

Target

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
Size

98KB
MD5

8946d4b46f5028f7c7e6c1f25941d5a0
SHA1

18349c8b71169f43d3ea4553af3c381af52ec693
SHA256

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a
SHA512

de514410c424e69bc24895ea6c7cde5010954398bccabff914b9665a39d73965f094a5835dd84a0697d47d7eafec72127e9be20b82d41bb83e8d41f4c28ddc9d
SSDEEP

1536:XQFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+ees52z30rtrduxzuB:429DkEGRQixVSjLaes5G30B+G

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

4728 MediaCenter.exe

pid	process
4728	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:

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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"	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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

4244 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

description pid process

Token: SeIncBasePriorityPrivilege 4560 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

pid	process
4244	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.execmd.exe

description	pid	process	target process
PID 4560 wrote to memory of 4728	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	MediaCenter.exe
PID 4560 wrote to memory of 4728	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	MediaCenter.exe
PID 4560 wrote to memory of 4728	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	MediaCenter.exe
PID 4560 wrote to memory of 432	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	cmd.exe
PID 4560 wrote to memory of 432	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	cmd.exe
PID 4560 wrote to memory of 432	4560	4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe	cmd.exe
PID 432 wrote to memory of 4244	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 4244	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 4244	432	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4244

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
98KB

MD5
cf39c482f088e22b48e824f318afb5bd

SHA1
d923224f77df7eae20c78a7e5e5c5bd7e28d95dd

SHA256
39d47874f844c107085fa78add0c0c52d3c2e89193cf0a95cf8789373a228bef

SHA512
44d5b71ce8acb8567537b6a98aa72311c3f13d4e8308821967b4ead2fe862364fe3b328ae6abb8822cbb5837aaf35df6eaaab7ae1f335ad0cdca513abf07254f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Filesize
98KB

MD5
cf39c482f088e22b48e824f318afb5bd

SHA1
d923224f77df7eae20c78a7e5e5c5bd7e28d95dd

SHA256
39d47874f844c107085fa78add0c0c52d3c2e89193cf0a95cf8789373a228bef

SHA512
44d5b71ce8acb8567537b6a98aa72311c3f13d4e8308821967b4ead2fe862364fe3b328ae6abb8822cbb5837aaf35df6eaaab7ae1f335ad0cdca513abf07254f

Download Submit
memory/432-135-0x0000000000000000-mapping.dmp

Download
memory/4244-136-0x0000000000000000-mapping.dmp

Download
memory/4728-132-0x0000000000000000-mapping.dmp

Download