sakula | 4efe5f367b03c7f134c7706e47eecdbefe84c604dad7e6b7f07792c67c038bfa

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 08:40

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General

Target

NEAS.dd05533d169203a5fc5d1752205ed9ba.exe
Size

332KB
MD5

dd05533d169203a5fc5d1752205ed9ba
SHA1

5acc75eb219f93b60323d2a059afd5c36695307b
SHA256

4efe5f367b03c7f134c7706e47eecdbefe84c604dad7e6b7f07792c67c038bfa
SHA512

dce5cef2a1b69263d717cfd0be8743879efa45c8f80e3f3e97ce7988e3397cc40efabb10b63ce38b8c0ece0319f9967a8f2fb41e0b9bdf7cd1dcb9257a7dc480
SSDEEP

6144:Nj9c2WYd30BKmiPVpU3ypIPr3D3StNynyS/E:NSI2HA

Score

10^/10

sakula persistence rat trojan

Malware Config

Extracted

Family

sakula

www.savmpet.com

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\AdobeUpdate.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	family_sakula

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:

NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

Executes dropped EXE 1 IoCs

Processes:

AdobeUpdate.exe

pid process

1172 AdobeUpdate.exe

pid	process
1172	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

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

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2328 PING.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

description pid process

Token: SeIncBasePriorityPrivilege 4392 NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

pid	process
2328	PING.EXE

description	pid	process
Token: SeIncBasePriorityPrivilege	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

NEAS.dd05533d169203a5fc5d1752205ed9ba.execmd.exe

description	pid	process	target process
PID 4392 wrote to memory of 1172	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	AdobeUpdate.exe
PID 4392 wrote to memory of 1172	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	AdobeUpdate.exe
PID 4392 wrote to memory of 1172	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	AdobeUpdate.exe
PID 4392 wrote to memory of 1744	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	cmd.exe
PID 4392 wrote to memory of 1744	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	cmd.exe
PID 4392 wrote to memory of 1744	4392	NEAS.dd05533d169203a5fc5d1752205ed9ba.exe	cmd.exe
PID 1744 wrote to memory of 2328	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 2328	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 2328	1744	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
2⤵
- Executes dropped EXE
PID:1172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.dd05533d169203a5fc5d1752205ed9ba.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Filesize
332KB

MD5
b443c9e1b607700512f34c70668f5434

SHA1
1cec829514de941ee8bdcf85a1b56e94cdb57685

SHA256
5b01411bcdddb36e43b0d2593a06092409f211ca9f6e50570b943ef6b3df1af2

SHA512
7c893d83dfa0820347ccc4864af943e2c0c05c7eb6cfe3bd4ff93d259e8d03f1e68df3e69f29df7506e5f46ca6c92d9515ff801890f701a7af878d266ca1772c

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Filesize
332KB

MD5
b443c9e1b607700512f34c70668f5434

SHA1
1cec829514de941ee8bdcf85a1b56e94cdb57685

SHA256
5b01411bcdddb36e43b0d2593a06092409f211ca9f6e50570b943ef6b3df1af2

SHA512
7c893d83dfa0820347ccc4864af943e2c0c05c7eb6cfe3bd4ff93d259e8d03f1e68df3e69f29df7506e5f46ca6c92d9515ff801890f701a7af878d266ca1772c

Download Submit