sakula | a13f8ba09b767794ce964edfaeb940997b970150f3e8ebf4a1e782d19d757b4c

General

Target

c783c34aa3234cfb7bb30b1a90749ff0N.exe
Size

43KB
MD5

c783c34aa3234cfb7bb30b1a90749ff0
SHA1

783acbff574420255d0705e20f2424348105791e
SHA256

a13f8ba09b767794ce964edfaeb940997b970150f3e8ebf4a1e782d19d757b4c
SHA512

f95ca350f23299a3521f63636ce3fa293127a226c8b678ed75fb59178032a51a9a101aab73433f25778e84954540a54647c7d65bf59f42347e7b13f6d051a071
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taqm:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8A

Score

10^/10

sakula discovery persistence rat trojan upx

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula payload 4 IoCs

resource	yara_rule
behavioral2/memory/2200-6-0x0000000000A60000-0x0000000000A7F000-memory.dmp	family_sakula
behavioral2/memory/3140-8-0x00000000002E0000-0x00000000002FF000-memory.dmp	family_sakula
behavioral2/memory/2200-13-0x0000000000A60000-0x0000000000A7F000-memory.dmp	family_sakula
behavioral2/memory/3140-18-0x00000000002E0000-0x00000000002FF000-memory.dmp	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	c783c34aa3234cfb7bb30b1a90749ff0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3140	MediaCenter.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2200-0-0x0000000000A60000-0x0000000000A7F000-memory.dmp	upx
behavioral2/files/0x0007000000023445-3.dat	upx
behavioral2/memory/3140-4-0x00000000002E0000-0x00000000002FF000-memory.dmp	upx
behavioral2/memory/2200-6-0x0000000000A60000-0x0000000000A7F000-memory.dmp	upx
behavioral2/memory/3140-8-0x00000000002E0000-0x00000000002FF000-memory.dmp	upx
behavioral2/memory/2200-13-0x0000000000A60000-0x0000000000A7F000-memory.dmp	upx
behavioral2/memory/3140-18-0x00000000002E0000-0x00000000002FF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	c783c34aa3234cfb7bb30b1a90749ff0N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c783c34aa3234cfb7bb30b1a90749ff0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1772	cmd.exe
4136	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4136	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 3140	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	83
PID 2200 wrote to memory of 3140	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	83
PID 2200 wrote to memory of 3140	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	83
PID 2200 wrote to memory of 1772	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	96
PID 2200 wrote to memory of 1772	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	96
PID 2200 wrote to memory of 1772	2200	c783c34aa3234cfb7bb30b1a90749ff0N.exe	96
PID 1772 wrote to memory of 4136	1772	cmd.exe	98
PID 1772 wrote to memory of 4136	1772	cmd.exe	98
PID 1772 wrote to memory of 4136	1772	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\c783c34aa3234cfb7bb30b1a90749ff0N.exe
"C:\Users\Admin\AppData\Local\Temp\c783c34aa3234cfb7bb30b1a90749ff0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\c783c34aa3234cfb7bb30b1a90749ff0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
43KB

MD5
0e50f498df0ce6aa0cccdb5e83d70b51

SHA1
7d4997cef79d6939f63cd8fa9ee91bf3910dbe5e

SHA256
abf68148501730b97c035d8184a4a7f82ac65d1c5812430aa68997a1d973e050

SHA512
227dc916416d698de10d3907906b7e4608645974545c0ad5368be1d76be45ea4fdade79c9b4760b60e8add268a8e1209d6701b9e5c3b30e85f50bd1dfa2a7423

Download Submit
memory/2200-0-0x0000000000A60000-0x0000000000A7F000-memory.dmp

Filesize
124KB

Download
memory/2200-6-0x0000000000A60000-0x0000000000A7F000-memory.dmp

Filesize
124KB

Download
memory/2200-13-0x0000000000A60000-0x0000000000A7F000-memory.dmp

Filesize
124KB

Download
memory/3140-4-0x00000000002E0000-0x00000000002FF000-memory.dmp

Filesize
124KB

Download
memory/3140-8-0x00000000002E0000-0x00000000002FF000-memory.dmp

Filesize
124KB

Download
memory/3140-18-0x00000000002E0000-0x00000000002FF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads