sakula | aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac

General

Target
aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe
Size 35KB
Sample260809-lfyevavdjd
SHA256 aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac
MD5 6fe965bde88aff28ff186db9b9844517
SHA1 bef6f57e0b2b4776925b8fc3d012f223919841f3
SHA512 a910476b81d4102ea934b715d5c7afd42b67dd4e44db1322021ee771624578ea6d8bece45ea59c9ae19bc3102ceb7d3e2901c2d8795cf931b2f9b343ff900be0
SSDEEP 768:3wbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647DF:3wbYP4nuEApQK4TQbtY2gA9DX+ytBOz
TLSH
T1B9F2E1E0B6BB88C8C99C563711372A49A520C4AF051092E37BCCB72DE8D6F11FE726D5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution sakula persistence rat trojan

Malware Config

Signatures

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

Sakula payload 5 IoCs

resource	yara_rule
behavioral1/memory/4592-5-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral1/memory/3744-6-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral1/memory/4592-8-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral1/memory/3744-14-0x0000000000400000-0x000000000041A000-memory.dmp	family_sakula
behavioral1/memory/4592-18-0x0000000000400000-0x000000000041A000-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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe

Executes dropped EXE 1 IoCs

pid	Process
4592	MediaCenter.exe

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"	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3776	cmd.exe

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MediaCenter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
3776	cmd.exe
4632	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4632	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3744	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 4592	3744	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe	86
PID 3744 wrote to memory of 3776	3744	aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe	100
PID 3776 wrote to memory of 4632	3776	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe
"C:\Users\Admin\AppData\Local\Temp\aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.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:3744
- 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:4592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\aace1a71d61957bcbc8cd454d31e53486be99d8ec46fa951b8e64b0ae3cd21ac.exe"
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:3776
- - 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:4632

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

MediaCenter.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
Size 35KB
SHA256 62f5b482d35830391bfebf1cca04f0410a30fbb56ad683b4a82595260db89659
MD5 bef7c6327090356177b2fb146ade8579
SHA1 5ed5cb6df44b74025c3ab006f9afc24f3a5bde09
SHA512 79f5ff0aedf2dc61572732bbf744fc5368aa4d989869eeae9f46c9c15d7349b4b8fc024ff2dbef87c77f32342ce8871fc2188998bbc68533b7c3e249efc96f23
SSDEEP 768:3wbYGCv4nuEcJpQK4TQbtKvXwXgA9lJJea+yGCJQqeWnAEv2647Dw:3wbYP4nuEApQK4TQbtY2gA9DX+ytBOC
TLSH
T166F2E1E0B6BB88C8C99C553711372A49A520C5AF051092E37BCCB72DE8D6F11FE725D5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3744-0-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/3744-6-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/3744-14-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/4592-5-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/4592-8-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/4592-18-0x0000000000400000-0x000000000041A000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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