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
behavioral1/memory/2540-11-0x00000000001D0000-0x00000000001EF000-memory.dmp	family_sakula
behavioral1/memory/1996-13-0x0000000000B30000-0x0000000000B4F000-memory.dmp	family_sakula
behavioral1/memory/2540-18-0x00000000001D0000-0x00000000001EF000-memory.dmp	family_sakula
behavioral1/memory/1996-23-0x0000000000B30000-0x0000000000B4F000-memory.dmp	family_sakula

Deletes itself 1 IoCs

pid	Process
2776	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1996	MediaCenter.exe

Loads dropped DLL 2 IoCs

pid	Process
2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe
2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2540-0-0x00000000001D0000-0x00000000001EF000-memory.dmp	upx
behavioral1/files/0x000700000001939b-5.dat	upx
behavioral1/memory/2540-4-0x00000000000E0000-0x00000000000FF000-memory.dmp	upx
behavioral1/memory/2540-11-0x00000000001D0000-0x00000000001EF000-memory.dmp	upx
behavioral1/memory/1996-13-0x0000000000B30000-0x0000000000B4F000-memory.dmp	upx
behavioral1/memory/2540-18-0x00000000001D0000-0x00000000001EF000-memory.dmp	upx
behavioral1/memory/1996-23-0x0000000000B30000-0x0000000000B4F000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.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
2776	cmd.exe
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1996	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	29
PID 2540 wrote to memory of 1996	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	29
PID 2540 wrote to memory of 1996	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	29
PID 2540 wrote to memory of 1996	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	29
PID 2540 wrote to memory of 2776	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	31
PID 2540 wrote to memory of 2776	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	31
PID 2540 wrote to memory of 2776	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	31
PID 2540 wrote to memory of 2776	2540	c783c34aa3234cfb7bb30b1a90749ff0N.exe	31
PID 2776 wrote to memory of 2636	2776	cmd.exe	33
PID 2776 wrote to memory of 2636	2776	cmd.exe	33
PID 2776 wrote to memory of 2636	2776	cmd.exe	33
PID 2776 wrote to memory of 2636	2776	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\c783c34aa3234cfb7bb30b1a90749ff0N.exe
"C:\Users\Admin\AppData\Local\Temp\c783c34aa3234cfb7bb30b1a90749ff0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- 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:1996
- 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⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2636

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

Remote System Discovery

1

T1018

System Information Discovery

1

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

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

Filesize
43KB

MD5
70faeb928550012bc4899adf732693f0

SHA1
931e71455db04c656c9832f017df14af9ff8ce28

SHA256
b9ba5110e7bc0b341cdc5dfd56b6881f91941fde8f2e9d2a07c497dcfa1f96f9

SHA512
99fedf74f807b1169c0b7767c21e3ecce8eb1e61e162a54ac3439a3bdd56f357a9ee9e5dba84d50bb97db99cad57ec88ee83b99d50543d19671e15cd857980dc

Download Submit
memory/1996-13-0x0000000000B30000-0x0000000000B4F000-memory.dmp

Filesize
124KB

Download
memory/1996-23-0x0000000000B30000-0x0000000000B4F000-memory.dmp

Filesize
124KB

Download
memory/2540-0-0x00000000001D0000-0x00000000001EF000-memory.dmp

Filesize
124KB

Download
memory/2540-9-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2540-4-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/2540-11-0x00000000001D0000-0x00000000001EF000-memory.dmp

Filesize
124KB

Download
memory/2540-18-0x00000000001D0000-0x00000000001EF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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