sakula | 0eaafcb4c50ec77534f8f46b28709c3c77472542ccebd5659d3726250e29ed4a

General

Target

1e9a613074c8d5f4d9d2f798eb4aaa10N.exe
Size

43KB
MD5

1e9a613074c8d5f4d9d2f798eb4aaa10
SHA1

cb876a9bb63329aece8a518357f6949b2a9f6317
SHA256

0eaafcb4c50ec77534f8f46b28709c3c77472542ccebd5659d3726250e29ed4a
SHA512

5680e171c9e36693147dad4ffcc3d3e2d41e1c789b0b45f80f2f5d3d00a98d8367ef31d321d565609e6aa8a6f0be51cea0ba6af60f7273294e86bdcdad6cbd27
SSDEEP

768:+U9XnKJv8KrtPNxT4oreP7cIK3yQpdk6x8pf9m4P/S0hVvIZiGDZ6RO8nHE8taql:+U9abrtX4oocIK3yQkaY9z/S0hhy6k8/

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/4672-6-0x00000000000B0000-0x00000000000CF000-memory.dmp	family_sakula
behavioral2/memory/2328-8-0x0000000000E60000-0x0000000000E7F000-memory.dmp	family_sakula
behavioral2/memory/4672-13-0x00000000000B0000-0x00000000000CF000-memory.dmp	family_sakula
behavioral2/memory/2328-18-0x0000000000E60000-0x0000000000E7F000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	MediaCenter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4672-0-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/files/0x000800000002362d-3.dat	upx
behavioral2/memory/2328-5-0x0000000000E60000-0x0000000000E7F000-memory.dmp	upx
behavioral2/memory/4672-6-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/memory/2328-8-0x0000000000E60000-0x0000000000E7F000-memory.dmp	upx
behavioral2/memory/4672-13-0x00000000000B0000-0x00000000000CF000-memory.dmp	upx
behavioral2/memory/2328-18-0x0000000000E60000-0x0000000000E7F000-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"	1e9a613074c8d5f4d9d2f798eb4aaa10N.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	1e9a613074c8d5f4d9d2f798eb4aaa10N.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
5052	cmd.exe
4644	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4644	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 2328	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	92
PID 4672 wrote to memory of 2328	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	92
PID 4672 wrote to memory of 2328	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	92
PID 4672 wrote to memory of 5052	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	106
PID 4672 wrote to memory of 5052	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	106
PID 4672 wrote to memory of 5052	4672	1e9a613074c8d5f4d9d2f798eb4aaa10N.exe	106
PID 5052 wrote to memory of 4644	5052	cmd.exe	108
PID 5052 wrote to memory of 4644	5052	cmd.exe	108
PID 5052 wrote to memory of 4644	5052	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\1e9a613074c8d5f4d9d2f798eb4aaa10N.exe
"C:\Users\Admin\AppData\Local\Temp\1e9a613074c8d5f4d9d2f798eb4aaa10N.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:4672
- 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:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1e9a613074c8d5f4d9d2f798eb4aaa10N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5052
- - 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:4644

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4128,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:3704

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
56b648d8a97601c7d74303a855535eba

SHA1
00681ff653ebb4cb8977c4729e3357566f4b2959

SHA256
1dea9b88bfad81855347bc13cbb570ebff88a3c9b5f87346f7335ab4f2f35945

SHA512
85c9e103115df5d45f80097288135fc9c68b3aca96e2847ad645d3de022c35104f8993f364e9d93a5920c5c8b9cee9b10b984243160433a8278a18d1820ae177

Download Submit
memory/2328-5-0x0000000000E60000-0x0000000000E7F000-memory.dmp

Filesize
124KB

Download
memory/2328-8-0x0000000000E60000-0x0000000000E7F000-memory.dmp

Filesize
124KB

Download
memory/2328-18-0x0000000000E60000-0x0000000000E7F000-memory.dmp

Filesize
124KB

Download
memory/4672-0-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download
memory/4672-6-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download
memory/4672-13-0x00000000000B0000-0x00000000000CF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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